chore: release v0.1.7

Required token query param caused connection failures for clients
that authenticate via other means.

.gitea/workflows/build.yml

@@ -0,0 +1,72 @@
+name: Build Artifacts
+
+on:
+  workflow_dispatch:
+    inputs:
+      version:
+        description: 'Version label (e.g. dev, 0.3.0-test)'
+        required: false
+        default: 'dev'
+
+jobs:
+  build-windows:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Build frontend
+        run: npm ci && npm run build
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install build tools
+        run: sudo apt-get update && sudo apt-get install -y --no-install-recommends nsis zip
+
+      - name: Build Windows distribution
+        run: |
+          chmod +x build-dist-windows.sh
+          ./build-dist-windows.sh "v${{ inputs.version }}"
+
+      - name: Build NSIS installer
+        run: makensis -DVERSION="${{ inputs.version }}" installer.nsi
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: MediaServer-${{ inputs.version }}-win-x64
+          path: |
+            build/MediaServer-*.zip
+            build/MediaServer-*-setup.exe
+          retention-days: 90
+
+  build-linux:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Build frontend
+        run: npm ci && npm run build
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Build Linux distribution
+        run: |
+          chmod +x build-dist-linux.sh
+          ./build-dist-linux.sh "v${{ inputs.version }}"
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: MediaServer-${{ inputs.version }}-linux-x64
+          path: build/MediaServer-*-linux-x64.tar.gz
+          retention-days: 90

.gitea/workflows/release.yml

@@ -0,0 +1,228 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  # --- Create Gitea release ---
+  create-release:
+    runs-on: ubuntu-latest
+    outputs:
+      release_id: ${{ steps.create.outputs.release_id }}
+      version: ${{ steps.create.outputs.version }}
+    steps:
+      - name: Fetch RELEASE_NOTES.md only
+        uses: actions/checkout@v4
+        with:
+          sparse-checkout: RELEASE_NOTES.md
+          sparse-checkout-cone-mode: false
+
+      - name: Create Gitea release
+        id: create
+        env:
+          DEPLOY_TOKEN: ${{ secrets.DEPLOY_TOKEN }}
+        run: |
+          TAG="${{ gitea.ref_name }}"
+          VERSION="${TAG#v}"
+          BASE_URL="${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}"
+
+          IS_PRE="false"
+          if echo "$TAG" | grep -qE '(alpha|beta|rc)'; then
+            IS_PRE="true"
+          fi
+
+          if [ -f RELEASE_NOTES.md ]; then
+            export RELEASE_NOTES=$(cat RELEASE_NOTES.md)
+            echo "Found RELEASE_NOTES.md"
+          else
+            export RELEASE_NOTES=""
+            echo "No RELEASE_NOTES.md found"
+          fi
+
+          BODY_JSON=$(python3 -c "
+          import json, os, textwrap
+
+          tag = '$TAG'
+          release_notes = os.environ.get('RELEASE_NOTES', '')
+
+          sections = []
+
+          if release_notes.strip():
+              sections.append(release_notes.strip())
+
+          sections.append(textwrap.dedent(f'''
+          ## Downloads
+
+          | Platform | File |
+          |----------|------|
+          | Windows (installer) | \`MediaServer-{tag}-setup.exe\` |
+          | Windows (portable) | \`MediaServer-{tag}-win-x64.zip\` |
+          | Linux | \`MediaServer-{tag}-linux-x64.tar.gz\` |
+          ''').strip())
+
+          print(json.dumps('\n\n'.join(sections)))
+          ")
+
+          RELEASE=$(curl -s -X POST "$BASE_URL/releases" \
+            -H "Authorization: token $DEPLOY_TOKEN" \
+            -H "Content-Type: application/json" \
+            -d "{
+              \"tag_name\": \"$TAG\",
+              \"name\": \"Media Server $TAG\",
+              \"body\": $BODY_JSON,
+              \"draft\": false,
+              \"prerelease\": $IS_PRE
+            }")
+
+          # Extract release ID; if creation failed (already exists), fetch existing
+          RELEASE_ID=$(echo "$RELEASE" | python3 -c "
+          import sys, json
+          data = json.load(sys.stdin)
+          if 'id' in data:
+              print(data['id'])
+          else:
+              print('FAILED', file=sys.stderr)
+              print(json.dumps(data, indent=2), file=sys.stderr)
+              sys.exit(1)
+          " 2>&1) || {
+            echo "::warning::Release already exists for tag $TAG — reusing existing release"
+            RELEASE=$(curl -s "$BASE_URL/releases/tags/$TAG" \
+              -H "Authorization: token $DEPLOY_TOKEN")
+            RELEASE_ID=$(echo "$RELEASE" | python3 -c "import sys,json; print(json.load(sys.stdin)['id'])")
+          }
+          echo "release_id=$RELEASE_ID" >> "$GITHUB_OUTPUT"
+          echo "version=$VERSION" >> "$GITHUB_OUTPUT"
+
+  # --- Build Windows installer + portable ZIP ---
+  build-windows:
+    needs: create-release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Build frontend
+        run: npm ci && npm run build
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install build tools
+        run: sudo apt-get update && sudo apt-get install -y --no-install-recommends nsis zip
+
+      - name: Build Windows distribution
+        run: |
+          chmod +x build-dist-windows.sh
+          ./build-dist-windows.sh "${{ gitea.ref_name }}"
+
+      - name: Build NSIS installer
+        run: |
+          VERSION="${{ needs.create-release.outputs.version }}"
+          makensis -DVERSION="${VERSION}" installer.nsi
+
+      - name: Upload assets to release
+        env:
+          DEPLOY_TOKEN: ${{ secrets.DEPLOY_TOKEN }}
+        run: |
+          RELEASE_ID="${{ needs.create-release.outputs.release_id }}"
+          BASE_URL="${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}"
+
+          upload_asset() {
+            local file="$1"
+            local name
+            name=$(basename "$file")
+
+            # Delete existing asset with the same name (idempotent re-runs)
+            EXISTING=$(curl -s "$BASE_URL/releases/$RELEASE_ID/assets" \
+              -H "Authorization: token $DEPLOY_TOKEN")
+            ASSET_ID=$(echo "$EXISTING" | python3 -c "
+          import sys, json
+          assets = json.load(sys.stdin)
+          for a in assets:
+              if a['name'] == '$name':
+                  print(a['id'])
+                  break
+          " 2>/dev/null || true)
+
+            if [ -n "$ASSET_ID" ]; then
+              echo "Replacing existing asset: $name (id=$ASSET_ID)"
+              curl -s -X DELETE "$BASE_URL/releases/$RELEASE_ID/assets/$ASSET_ID" \
+                -H "Authorization: token $DEPLOY_TOKEN"
+            fi
+
+            echo "Uploading $name..."
+            curl -s -X POST \
+              "$BASE_URL/releases/$RELEASE_ID/assets?name=$name" \
+              -H "Authorization: token $DEPLOY_TOKEN" \
+              -H "Content-Type: application/octet-stream" \
+              --data-binary "@$file"
+          }
+
+          for FILE in build/MediaServer-*.zip build/MediaServer-*-setup.exe; do
+            [ -f "$FILE" ] || continue
+            upload_asset "$FILE"
+          done
+
+  # --- Build Linux tarball ---
+  build-linux:
+    needs: create-release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Build frontend
+        run: npm ci && npm run build
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Build Linux distribution
+        run: |
+          chmod +x build-dist-linux.sh
+          ./build-dist-linux.sh "${{ gitea.ref_name }}"
+
+      - name: Upload assets to release
+        env:
+          DEPLOY_TOKEN: ${{ secrets.DEPLOY_TOKEN }}
+        run: |
+          RELEASE_ID="${{ needs.create-release.outputs.release_id }}"
+          BASE_URL="${{ gitea.server_url }}/api/v1/repos/${{ gitea.repository }}"
+
+          FILE=$(ls build/MediaServer-*-linux-x64.tar.gz | head -1)
+          NAME=$(basename "$FILE")
+
+          # Delete existing asset with the same name (idempotent re-runs)
+          EXISTING=$(curl -s "$BASE_URL/releases/$RELEASE_ID/assets" \
+            -H "Authorization: token $DEPLOY_TOKEN")
+          ASSET_ID=$(echo "$EXISTING" | python3 -c "
+          import sys, json
+          assets = json.load(sys.stdin)
+          for a in assets:
+              if a['name'] == '$NAME':
+                  print(a['id'])
+                  break
+          " 2>/dev/null || true)
+
+          if [ -n "$ASSET_ID" ]; then
+            echo "Replacing existing asset: $NAME (id=$ASSET_ID)"
+            curl -s -X DELETE "$BASE_URL/releases/$RELEASE_ID/assets/$ASSET_ID" \
+              -H "Authorization: token $DEPLOY_TOKEN"
+          fi
+
+          echo "Uploading $NAME..."
+          curl -s -X POST \
+            "$BASE_URL/releases/$RELEASE_ID/assets?name=$NAME" \
+            -H "Authorization: token $DEPLOY_TOKEN" \
+            -H "Content-Type: application/octet-stream" \
+            --data-binary "@$FILE"

.gitea/workflows/test.yml

@@ -0,0 +1,35 @@
+name: Lint & Test
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Build frontend
+        run: npm ci && npm run build
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Install dependencies
+        run: |
+          pip install --upgrade pip
+          pip install -e ".[dev]"
+
+      - name: Lint
+        run: ruff check media_server/
+
+      - name: Test
+        run: pytest --tb=short -q || test $? -eq 5

.gitignore

@@ -49,3 +49,7 @@ Thumbs.db
 
 # Thumbnail cache
 .cache/
+
+# Node.js / esbuild
+node_modules/
+media_server/static/dist/

CLAUDE.md

@@ -41,10 +41,20 @@ Unregister-ScheduledTask -TaskName "MediaServer" -Confirm:$false
 
 **When restart is NOT needed:**
 
-- Static file changes (`*.html`, `*.css`, `*.js`, `*.json`) - browser refresh is enough
+- Static file changes (`*.html`, `*.css`, `*.json`) - browser refresh is enough
 - README or documentation updates
 - Changes to install/service scripts (only affects new installations)
 
+### Frontend Rebuild After JS Changes
+
+**CRITICAL:** The frontend is bundled via esbuild into `static/dist/app.bundle.js`. After modifying ANY JavaScript file in `media_server/static/js/`, you **MUST** run:
+
+```bash
+npm run build
+```
+
+Raw JS file edits have **NO effect** until the bundle is rebuilt. After rebuilding, a browser hard-refresh (Ctrl+Shift+R) is sufficient — no server restart needed.
+
 **How to restart during development:**
 
 1. Find the running server process:
@@ -124,15 +134,64 @@ To add support for a new language:
 
 ## Versioning
 
-Version is tracked in two files that must be kept in sync:
+**`pyproject.toml`** is the single source of truth for the version string.
 
-- `pyproject.toml` - `[project].version`
-- `media_server/__init__.py` - `__version__`
+At runtime, `media_server/__init__.py` reads the version via `importlib.metadata.version()` — no manual syncing needed.
 
-When releasing a new version, update both files with the same version string.
+Version flow:
+1. `git tag v0.3.0` → CI reads the tag
+2. Build scripts stamp `pyproject.toml` with the clean version via `sed`
+3. `pip install` bakes the version into package metadata
+4. `importlib.metadata.version("media-server")` reads it at runtime
+
+When bumping the version for a new release, only `pyproject.toml` needs to be updated.
 
 **Important:** After making any changes, always ask the user if the version needs to be incremented.
 
+## CI/CD
+
+Gitea Actions workflow at `.gitea/workflows/test.yml` runs on every push/PR to `master`:
+
+1. **Lint** — `ruff check media_server/` (rules: E, F, I, W)
+2. **Test** — `pytest --tb=short -q`
+
+Release workflow at `.gitea/workflows/release.yml` triggers on `v*` tags:
+
+1. **Create release** — Gitea release via REST API (detects pre-release from tag)
+2. **Build Windows** — cross-builds on Linux using embedded Python + NSIS installer
+3. **Upload assets** — portable ZIP + installer `.exe` attached to the release
+
+### Releasing
+
+```bash
+# Stable release
+git tag v1.0.0 && git push origin v1.0.0
+
+# Pre-release
+git tag v1.1.0-alpha.1 && git push origin v1.1.0-alpha.1
+```
+
+### Installer
+
+The NSIS installer (`installer.nsi`) installs to `%LOCALAPPDATA%\Media Server` (no admin required) with optional:
+- **Desktop shortcut**
+- **Start with Windows** (Startup folder shortcut, runs hidden via VBS)
+
+Uninstall preserves `config.yaml` (user data).
+
+Reference: [gitea-python-ci-cd.md](https://git.dolgolyov-family.by/alexei.dolgolyov/claude-code-facts/src/branch/main/gitea-python-ci-cd.md)
+
+**IMPORTANT:** When modifying CI/CD workflows, `installer.nsi`, or build scripts (`build-dist-*.sh`), always fetch and consult the guide above first to ensure changes stay in sync with established patterns.
+
+### Before Pushing
+
+Ensure CI will pass locally:
+
+```bash
+ruff check media_server/
+pytest --tb=short -q
+```
+
 ## Git Rules
 
 - **ALWAYS ask for user approval before committing and pushing changes.**

README.md

@@ -7,10 +7,12 @@ A REST API server for controlling system media playback on Windows, Linux, macOS
 - **Built-in Web UI** for real-time media control and monitoring
 - **Installable PWA** - Add to home screen on mobile for a native app experience
 - **Audio Visualizer** - Real-time spectrum analyzer with beat-reactive album art effects
+- **Dynamic WebGL Background** - Audio-reactive animated background with album art color extraction
 - **Media Browser** - Browse and play media files from configured folders
 - **Display Control** - Monitor brightness and power management
 - **Quick Actions & Scripts** - Execute custom scripts with one click
 - **Callbacks** - Trigger commands on media events (play, pause, volume, etc.)
+- **Header Links** - Configurable quick-access links in the UI header
 - Control any media player via system-wide media transport controls
 - Play/Pause/Stop/Next/Previous track
 - Volume control and mute
@@ -28,7 +30,7 @@ The media server includes a built-in web interface for controlling and monitorin
 
 ![Web UI](docs/web-ui.PNG)
 
-### Features
+### Web UI Highlights
 
 - **Real-time status updates** via WebSocket connection
 - **Album artwork display** with glow effect and automatic updates
@@ -40,7 +42,9 @@ The media server includes a built-in web interface for controlling and monitorin
 - **Connection status indicator** - Know when you're connected
 - **Token authentication** - Saved in browser localStorage
 - **Audio spectrum visualizer** - Real-time frequency bars with beat-reactive album art scaling and glow (on-demand WASAPI loopback capture)
+- **Dynamic WebGL background** - Fragment shader-based animated background that reacts to audio beats and extracts colors from album art (toggle on/off in header)
 - **Display control** - Monitor brightness adjustment and power on/off
+- **Header quick links** - Configurable external URLs with icons shown in the header bar
 - **Installable PWA** - Add to home screen on mobile/desktop for standalone app experience with safe area support for notched phones
 - **Responsive design** - Works on desktop, tablet, and mobile
 - **Dark and light themes** - Toggle between dark and light modes with dynamic status bar theming
@@ -51,12 +55,14 @@ The media server includes a built-in web interface for controlling and monitorin
 ### Accessing the Web UI
 
 1. Start the media server:
+
    ```bash
    python -m media_server.main
    ```
 
 2. Open your browser and navigate to:
-   ```
+
+   ```text
    http://localhost:8765/
    ```
 
@@ -78,12 +84,15 @@ The Web UI includes a real-time audio spectrum visualizer that captures system a
 
 - **On-demand capture** - Audio capture starts only when a client enables the visualizer, and stops when the last client disconnects
 - **Beat-reactive effects** - Album art pulses and glows in response to bass frequencies
+- **Dynamic WebGL background** - Animated shader background that reacts to bass frequencies and adapts colors from current album art
 - **Configurable device** - Select which audio output device to capture in Settings
 
 Requires `soundcard` and `numpy` Python packages. Enable in `config.yaml`:
 
 ```yaml
 visualizer_enabled: true
+visualizer_fps: 30          # Frame rate (10-60)
+visualizer_bins: 32          # Frequency bins (8-128)
 # visualizer_device: "Speakers"  # optional: specific device name
 ```
 
@@ -135,7 +144,7 @@ The Media Browser feature allows you to browse and play media files from configu
 
 ![Media Browser](docs/media-browser.PNG)
 
-### Browser Features
+### Browser Highlights
 
 - **Folder Configuration** - Mount multiple media folders (music/video directories)
 - **Recursive Navigation** - Browse through folder hierarchies with breadcrumb navigation
@@ -143,13 +152,14 @@ The Media Browser feature allows you to browse and play media files from configu
 - **Thumbnail Display** - Automatically generated thumbnails from album art (lazy-loaded)
 - **Metadata Extraction** - View title, artist, album, duration, bitrate, file size, and more
 - **Remote Playback** - Play files on the PC running the media server (not in the browser)
-- **Play All** - Play all media files in the current folder
+- **Play All** - Play all media files in the current folder (generates M3U playlist)
 - **File Download** - Download individual media files directly from the browser
 - **Search & Filter** - Real-time search across files in the current folder
 - **Pagination** - Navigate large folders with configurable page sizes (25, 50, 100, 200, 500)
 - **Last Path Memory** - Automatically returns to your last browsed location
+- **Folder Management** - Create, edit, and delete media folders from the UI
 
-### Configuration
+### Browser Setup
 
 Add media folders in your `config.yaml`:
 
@@ -179,9 +189,9 @@ When you play a file from the Media Browser:
 
 ### Media Player Compatibility
 
-**⚠️ Important Limitation:** Not all media players expose their playback information to the Windows Media Session API. This means some players will open and play the file, but the Media Server UI won't show playback status, track information, or allow remote control.
+**Important Limitation:** Not all media players expose their playback information to the Windows Media Session API. This means some players will open and play the file, but the Media Server UI won't show playback status, track information, or allow remote control.
 
-**✅ Compatible Players** (work with playback tracking):
+**Compatible Players** (work with playback tracking):
 
 - **VLC Media Player** - Full support
 - **Groove Music** (Windows 10/11 built-in) - Full support
@@ -189,39 +199,84 @@ When you play a file from the Media Browser:
 - **Chrome/Edge/Firefox** - Full support for web players
 - **foobar2000** - Full support (with proper configuration/plugins)
 
-**❌ Limited/No Support:**
+**Limited/No Support:**
 
 - **Windows Media Player Classic** - Opens files but doesn't expose session info
 - **Windows Media Player** (classic version) - Limited session support
 
 **Recommendation:** Set **VLC Media Player** or **Groove Music** as your default audio player for the best experience with the Media Browser.
 
-#### Changing Your Default Media Player (Windows)
+#### Changing Your Default Media Player (on Windows)
 
-1. Open Windows Settings → Apps → Default apps
+1. Open Windows Settings > Apps > Default apps
 2. Search for "Music player" or "Video player"
 3. Select VLC Media Player or Groove Music
 4. Files opened from Media Browser will now use the selected player
 
-### API Endpoints
+## Display Control
 
-The Media Browser exposes several REST API endpoints:
+The Display Control feature allows you to manage monitor brightness and power state from the Web UI or via API.
 
-| Endpoint                 | Method | Description                       |
-|--------------------------|--------|-----------------------------------|
-| `/api/browser/folders`   | GET    | List configured media folders     |
-| `/api/browser/browse`    | GET    | Browse directory contents         |
-| `/api/browser/metadata`  | GET    | Get media file metadata           |
-| `/api/browser/thumbnail` | GET    | Get thumbnail image               |
-| `/api/browser/play`      | POST   | Open file with default player     |
+- **Brightness adjustment** - Set brightness (0-100%) for each monitor
+- **Power management** - Turn monitors on or off
+- **Multi-monitor support** - See all connected monitors with model, manufacturer, and resolution info
+- **Technology**: DDC-CI on Windows, XRandR/ACPI on Linux, IOKit on macOS
 
-All endpoints require bearer token authentication.
+### Display API
 
-### Security Notes
+| Endpoint                                 | Method   | Body                      | Description                                      |
+|------------------------------------------|----------|---------------------------|--------------------------------------------------|
+| `/api/display/monitors`                  | GET      | -                         | List monitors (use `?refresh=true` to refresh)   |
+| `/api/display/brightness/{monitor_id}`   | POST     | `{"brightness": 0-100}`   | Set monitor brightness                           |
+| `/api/display/power/{monitor_id}`        | POST     | `{"on": true\             | false}`                                          |
 
-- **Path Traversal Protection** - All paths are validated to prevent directory traversal attacks
-- **Folder Restrictions** - Only configured folders are accessible
-- **Authentication Required** - All endpoints require a valid API token
+**Monitor response:**
+
+```json
+{
+  "id": 0,
+  "name": "Monitor Name",
+  "brightness": 100,
+  "power_supported": true,
+  "power_on": true,
+  "model": "Model Number",
+  "manufacturer": "Manufacturer",
+  "resolution": "1920x1080",
+  "is_primary": true
+}
+```
+
+## Header Links
+
+Configure quick-access links that appear in the Web UI header bar with custom icons.
+
+### Links Setup
+
+Add links in your `config.yaml`:
+
+```yaml
+links:
+  spotify:
+    url: "https://open.spotify.com"
+    icon: "mdi:spotify"
+    label: "Spotify"
+  settings:
+    url: "https://your-server.com/settings"
+    icon: "mdi:cog"
+    label: "Settings"
+    description: "System settings"
+```
+
+### Links API
+
+| Endpoint                          | Method   | Body                                | Description      |
+|-----------------------------------|----------|-------------------------------------|------------------|
+| `/api/links/list`                 | GET      | -                                   | List all links   |
+| `/api/links/create/{link_name}`   | POST     | `{url, icon, label, description}`   | Create link      |
+| `/api/links/update/{link_name}`   | PUT      | `{url, icon, label, description}`   | Update link      |
+| `/api/links/delete/{link_name}`   | DELETE   | -                                   | Delete link      |
+
+All connected WebSocket clients receive a `links_changed` notification when links are modified.
 
 ## Requirements
 
@@ -230,7 +285,7 @@ All endpoints require bearer token authentication.
 
 ## Installation
 
-### Windows
+### Installing on Windows
 
 ```bash
 pip install -r requirements.txt
@@ -238,7 +293,7 @@ pip install -r requirements.txt
 
 Required packages: `winsdk`, `pywin32`, `pycaw`, `comtypes`
 
-### Linux
+### Installing on Linux
 
 ```bash
 # Install system dependencies
@@ -247,7 +302,7 @@ sudo apt-get install python3-dbus python3-gi libdbus-1-dev libglib2.0-dev
 pip install -r requirements.txt
 ```
 
-### macOS
+### Installing on macOS
 
 ```bash
 pip install -r requirements.txt
@@ -255,7 +310,7 @@ pip install -r requirements.txt
 
 No additional dependencies - uses built-in `osascript`.
 
-### Android (Termux)
+### Installing on Android (Termux)
 
 ```bash
 # In Termux
@@ -268,26 +323,31 @@ Requires Termux and Termux:API apps from F-Droid.
 ## Quick Start
 
 1. Generate configuration with API token:
+
    ```bash
    python -m media_server.main --generate-config
    ```
 
 2. View your API token:
+
    ```bash
    python -m media_server.main --show-token
    ```
 
 3. Start the server:
+
    ```bash
    python -m media_server.main
    ```
 
 4. **Open the Web UI** (recommended):
+
    - Navigate to `http://localhost:8765/` in your browser
    - Enter your API token from step 2
    - Start playing media and control it from the web interface!
 
 5. Or test via API:
+
    ```bash
    # Health check (no auth required)
    curl http://localhost:8765/api/health
@@ -296,13 +356,14 @@ Requires Termux and Termux:API apps from F-Droid.
    curl -H "Authorization: Bearer YOUR_TOKEN" http://localhost:8765/api/media/status
    ```
 
-## Configuration
+## Configuration Reference
 
 Configuration file locations:
+
 - Windows: `%APPDATA%\media-server\config.yaml`
 - Linux/macOS: `~/.config/media-server/config.yaml`
 
-### config.yaml
+### Full config.yaml Example
 
 ```yaml
 host: 0.0.0.0
@@ -316,29 +377,75 @@ api_tokens:
 
 poll_interval: 1.0
 log_level: INFO
+
+# Audio device for system volume control (null = default device)
+audio_device: null
+
+# Audio visualizer (requires soundcard + numpy)
+visualizer_enabled: true
+visualizer_fps: 30
+visualizer_bins: 32
+visualizer_device: null   # null = auto-detect loopback
+
+# Media folders for browser
+media_folders:
+  music:
+    path: "C:\\Users\\YourUsername\\Music"
+    label: "My Music"
+    enabled: true
+
+# Thumbnail size: "small" (150x150), "medium" (300x300), or "both"
+thumbnail_size: "medium"
+
+# Custom scripts (execute via API/UI)
+scripts:
+  lock_screen:
+    command: "rundll32.exe user32.dll,LockWorkStation"
+    label: "Lock Screen"
+    description: "Lock the workstation"
+    icon: "mdi:lock"
+    timeout: 5
+    shell: true
+
+# Callbacks (execute after media actions)
+callbacks:
+  on_turn_off:
+    command: "rundll32.exe user32.dll,LockWorkStation"
+    timeout: 5
+    shell: true
+
+# Header quick links
+links:
+  spotify:
+    url: "https://open.spotify.com"
+    icon: "mdi:spotify"
+    label: "Spotify"
 ```
 
 ### Authentication
 
 The media server supports multiple API tokens with friendly labels. This allows you to:
+
 - Issue different tokens for different clients (Home Assistant, mobile apps, web UI, etc.)
 - Identify which client is making requests in the server logs
 - Revoke individual tokens without affecting other clients
 
 **Token labels** appear in all server logs, making it easy to track and debug client connections:
 
-```
+```text
 2026-02-06 03:36:20,806 - media_server.services.websocket_manager - [home_assistant] - INFO - WebSocket client connected
 2026-02-06 03:28:24,258 - media_server.routes.scripts - [mobile] - INFO - Executing script: lock_screen
 ```
 
 **Viewing your tokens:**
+
 ```bash
 python -m media_server.main --show-token
 ```
 
 Output:
-```
+
+```text
 Config directory: C:\Users\...\AppData\Roaming\media-server
 
 API Tokens:
@@ -363,13 +470,14 @@ export MEDIA_SERVER_LOG_LEVEL=DEBUG
 
 ### Health Check
 
-```
+```text
 GET /api/health
 ```
 
 No authentication required. Returns server status and platform info.
 
 **Response:**
+
 ```json
 {
   "status": "healthy",
@@ -380,12 +488,13 @@ No authentication required. Returns server status and platform info.
 
 ### Get Media Status
 
-```
+```text
 GET /api/media/status
 Authorization: Bearer <token>
 ```
 
 **Response:**
+
 ```json
 {
   "state": "playing",
@@ -401,60 +510,66 @@ Authorization: Bearer <token>
 }
 ```
 
+### Album Artwork
+
+```text
+GET /api/media/artwork
+Authorization: Bearer <token>
+```
+
+Returns current album artwork as PNG/JPEG/WebP binary. Also accepts token as a query parameter.
+
 ### Media Controls
 
 All control endpoints require authentication and return `{"success": true}` on success.
 
-| Endpoint | Method | Body | Description |
-|----------|--------|------|-------------|
-| `/api/media/play` | POST | - | Resume playback |
-| `/api/media/pause` | POST | - | Pause playback |
-| `/api/media/stop` | POST | - | Stop playback |
-| `/api/media/next` | POST | - | Next track |
-| `/api/media/previous` | POST | - | Previous track |
-| `/api/media/volume` | POST | `{"volume": 75}` | Set volume (0-100) |
-| `/api/media/mute` | POST | - | Toggle mute |
-| `/api/media/seek` | POST | `{"position": 60.0}` | Seek to position (seconds) |
-| `/api/media/turn_on` | POST | - | Execute on_turn_on callback |
-| `/api/media/turn_off` | POST | - | Execute on_turn_off callback |
-| `/api/media/toggle` | POST | - | Execute on_toggle callback |
+| Endpoint                | Method   | Body                   | Description                    |
+|-------------------------|----------|------------------------|--------------------------------|
+| `/api/media/play`       | POST     | -                      | Resume playback                |
+| `/api/media/pause`      | POST     | -                      | Pause playback                 |
+| `/api/media/stop`       | POST     | -                      | Stop playback                  |
+| `/api/media/next`       | POST     | -                      | Next track                     |
+| `/api/media/previous`   | POST     | -                      | Previous track                 |
+| `/api/media/volume`     | POST     | `{"volume": 75}`       | Set volume (0-100)             |
+| `/api/media/mute`       | POST     | -                      | Toggle mute                    |
+| `/api/media/seek`       | POST     | `{"position": 60.0}`   | Seek to position (seconds)     |
+| `/api/media/turn_on`    | POST     | -                      | Execute on_turn_on callback    |
+| `/api/media/turn_off`   | POST     | -                      | Execute on_turn_off callback   |
+| `/api/media/toggle`     | POST     | -                      | Execute on_toggle callback     |
 
-### Script Execution
+### Visualizer API
 
-The server supports executing pre-defined scripts via API and the Web UI. Scripts and callbacks can be managed directly from the Web UI — add, edit, delete, and execute with real-time output display.
+| Endpoint                          | Method   | Body                                    | Description                            |
+|-----------------------------------|----------|-----------------------------------------|----------------------------------------|
+| `/api/media/visualizer/status`    | GET      | -                                       | Check availability and running state   |
+| `/api/media/visualizer/devices`   | GET      | -                                       | List loopback audio devices            |
+| `/api/media/visualizer/device`    | POST     | `{"device_name": "..." \                | null}`                                 |
+
+### Audio Devices
+
+```text
+GET /api/audio/devices
+Authorization: Bearer <token>
+```
+
+Returns a list of available audio output devices.
+
+### Script Management
+
+Scripts can be managed via API or directly from the Web UI (Quick Actions tab).
 
 ![Script and Callback Management](docs/scripts-management.PNG)
 
-#### List Scripts
+| Endpoint                               | Method   | Body                                                    | Description        |
+|----------------------------------------|----------|---------------------------------------------------------|--------------------|
+| `/api/scripts/list`                    | GET      | -                                                       | List all scripts   |
+| `/api/scripts/execute/{script_name}`   | POST     | `{"args": []}`                                          | Execute a script   |
+| `/api/scripts/create/{script_name}`    | POST     | `{command, label, description, icon, timeout, shell}`   | Create a script    |
+| `/api/scripts/update/{script_name}`    | PUT      | `{command, label, description, icon, timeout, shell}`   | Update a script    |
+| `/api/scripts/delete/{script_name}`    | DELETE   | -                                                       | Delete a script    |
 
-```
-GET /api/scripts/list
-Authorization: Bearer <token>
-```
+**Execute response:**
 
-**Response:**
-```json
-[
-  {
-    "name": "lock_screen",
-    "label": "Lock Screen",
-    "description": "Lock the workstation",
-    "timeout": 5
-  }
-]
-```
-
-#### Execute Script
-
-```
-POST /api/scripts/execute/{script_name}
-Authorization: Bearer <token>
-Content-Type: application/json
-
-{"args": []}
-```
-
-**Response:**
 ```json
 {
   "success": true,
@@ -465,7 +580,7 @@ Content-Type: application/json
 }
 ```
 
-### Configuring Scripts
+### Script Config Options
 
 Add scripts in your `config.yaml`:
 
@@ -507,21 +622,33 @@ scripts:
     shell: true
 ```
 
-Script configuration options:
+Script fields:
 
-| Field | Required | Description |
-|-------|----------|-------------|
-| `command` | Yes | Command to execute |
-| `label` | No | User-friendly display name (defaults to script name) |
-| `description` | No | Description of what the script does |
-| `icon` | No | Custom MDI icon (e.g., `mdi:power`) |
-| `timeout` | No | Execution timeout in seconds (default: 30, max: 300) |
-| `working_dir` | No | Working directory for the command |
-| `shell` | No | Run in shell (default: true) |
+| Field           | Required   | Description                                            |
+|-----------------|------------|--------------------------------------------------------|
+| `command`       | Yes        | Command to execute                                     |
+| `label`         | No         | User-friendly display name (defaults to script name)   |
+| `description`   | No         | Description of what the script does                    |
+| `icon`          | No         | Custom MDI icon (e.g., `mdi:power`)                    |
+| `timeout`       | No         | Execution timeout in seconds (default: 30, max: 300)   |
+| `working_dir`   | No         | Working directory for the command                      |
+| `shell`         | No         | Run in shell (default: true)                           |
 
-### Configuring Callbacks
+### Callback Management
 
-Callbacks are optional commands executed after media actions. Add them in your `config.yaml`:
+Callbacks are commands executed after media actions. They can be managed via API or the Web UI (Quick Actions tab).
+
+| Endpoint                                  | Method   | Body                                       | Description              |
+|-------------------------------------------|----------|--------------------------------------------|--------------------------|
+| `/api/callbacks/list`                     | GET      | -                                          | List all callbacks       |
+| `/api/callbacks/execute/{callback_name}`  | POST     | -                                          | Execute (for debugging)  |
+| `/api/callbacks/create/{callback_name}`   | POST     | `{command, timeout, working_dir, shell}`   | Create a callback        |
+| `/api/callbacks/update/{callback_name}`   | PUT      | `{command, timeout, working_dir, shell}`   | Update a callback        |
+| `/api/callbacks/delete/{callback_name}`   | DELETE   | -                                          | Delete a callback        |
+
+### Callback Config Options
+
+Add callbacks in your `config.yaml`:
 
 ```yaml
 callbacks:
@@ -585,28 +712,83 @@ callbacks:
 
 Available callbacks:
 
-| Callback | Triggered by | Description |
-|----------|--------------|-------------|
-| `on_play` | `/api/media/play` | After play succeeds |
-| `on_pause` | `/api/media/pause` | After pause succeeds |
-| `on_stop` | `/api/media/stop` | After stop succeeds |
-| `on_next` | `/api/media/next` | After next track succeeds |
-| `on_previous` | `/api/media/previous` | After previous track succeeds |
-| `on_volume` | `/api/media/volume` | After volume change succeeds |
-| `on_mute` | `/api/media/mute` | After mute toggle |
-| `on_seek` | `/api/media/seek` | After seek succeeds |
-| `on_turn_on` | `/api/media/turn_on` | Callback-only action |
-| `on_turn_off` | `/api/media/turn_off` | Callback-only action |
-| `on_toggle` | `/api/media/toggle` | Callback-only action |
+| Callback        | Triggered by            | Description                     |
+|-----------------|-------------------------|---------------------------------|
+| `on_play`       | `/api/media/play`       | After play succeeds             |
+| `on_pause`      | `/api/media/pause`      | After pause succeeds            |
+| `on_stop`       | `/api/media/stop`       | After stop succeeds             |
+| `on_next`       | `/api/media/next`       | After next track succeeds       |
+| `on_previous`   | `/api/media/previous`   | After previous track succeeds   |
+| `on_volume`     | `/api/media/volume`     | After volume change succeeds    |
+| `on_mute`       | `/api/media/mute`       | After mute toggle               |
+| `on_seek`       | `/api/media/seek`       | After seek succeeds             |
+| `on_turn_on`    | `/api/media/turn_on`    | Callback-only action            |
+| `on_turn_off`   | `/api/media/turn_off`   | Callback-only action            |
+| `on_toggle`     | `/api/media/toggle`     | Callback-only action            |
 
-Callback configuration options:
+Callback fields:
 
-| Field | Required | Description |
-|-------|----------|-------------|
-| `command` | Yes | Command to execute |
-| `timeout` | No | Execution timeout in seconds (default: 30, max: 300) |
-| `working_dir` | No | Working directory for the command |
-| `shell` | No | Run in shell (default: true) |
+| Field           | Required   | Description                                            |
+|-----------------|------------|--------------------------------------------------------|
+| `command`       | Yes        | Command to execute                                     |
+| `timeout`       | No         | Execution timeout in seconds (default: 30, max: 300)   |
+| `working_dir`   | No         | Working directory for the command                      |
+| `shell`         | No         | Run in shell (default: true)                           |
+
+### Browser API
+
+| Endpoint                                    | Method   | Body                                   | Description                                |
+|---------------------------------------------|----------|----------------------------------------|--------------------------------------------|
+| `/api/browser/folders`                      | GET      | -                                      | List configured media folders              |
+| `/api/browser/browse`                       | GET      | -                                      | Browse directory (query: folder_id, path)  |
+| `/api/browser/metadata`                     | GET      | -                                      | Get file metadata (query: file_path)       |
+| `/api/browser/thumbnail`                    | GET      | -                                      | Get thumbnail image (query: file_path)     |
+| `/api/browser/download`                     | GET      | -                                      | Download file (query: folder_id, path)     |
+| `/api/browser/play`                         | POST     | `{"file_path": "..."}`                 | Open file with default player              |
+| `/api/browser/play-folder`                  | POST     | `{"folder_id": "...", "path": ""}`     | Play all files in folder (M3U)             |
+| `/api/browser/folders/create`               | POST     | `{folder_id, label, path, enabled}`    | Create folder config                       |
+| `/api/browser/folders/update/{folder_id}`   | PUT      | `{label, path, enabled}`               | Update folder config                       |
+| `/api/browser/folders/delete/{folder_id}`   | DELETE   | -                                      | Delete folder config                       |
+
+All endpoints require bearer token authentication.
+
+### Security Notes
+
+- **Path Traversal Protection** - All paths are validated to prevent directory traversal attacks
+- **Folder Restrictions** - Only configured folders are accessible
+- **Authentication Required** - All endpoints require a valid API token
+- **Output Limits** - Script stdout/stderr capped at 10KB
+
+### WebSocket
+
+```text
+WebSocket /api/media/ws
+Authorization: Bearer <token>
+```
+
+The WebSocket connection provides real-time updates and low-latency control.
+
+**Messages from server:**
+
+| Type                | Data                   | Description                            |
+|---------------------|------------------------|----------------------------------------|
+| `status`            | Media status object    | Initial status on connection           |
+| `status_update`     | Media status object    | Status changes during playback         |
+| `audio_data`        | `[0.1, 0.2, ...]`      | Visualizer frequency data (30 fps)     |
+| `scripts_changed`   | `{}`                   | Scripts were created/updated/deleted   |
+| `links_changed`     | `{}`                   | Links were created/updated/deleted     |
+| `pong`              | -                      | Response to client ping                |
+| `error`             | `{"message": "..."}`   | Error messages                         |
+
+**Messages from client:**
+
+| Type                  | Data                   | Description                                                |
+|-----------------------|------------------------|------------------------------------------------------------|
+| `ping`                | -                      | Keepalive ping                                             |
+| `get_status`          | -                      | Request current status                                     |
+| `volume`              | `{"volume": 0-100}`    | Low-latency volume control via WebSocket                   |
+| `enable_visualizer`   | -                      | Subscribe to audio data (starts capture)                   |
+| `disable_visualizer`  | -                      | Unsubscribe from audio data (stops capture on last client) |
 
 ## Running as a Service
 
@@ -624,20 +806,23 @@ To remove the scheduled task:
 Unregister-ScheduledTask -TaskName "MediaServer" -Confirm:$false
 ```
 
-### Windows Service
+### Windows Service (Alternative)
 
 Install:
+
 ```bash
 python -m media_server.service.install_windows install
 ```
 
 Start/Stop:
+
 ```bash
 python -m media_server.service.install_windows start
 python -m media_server.service.install_windows stop
 ```
 
 Remove:
+
 ```bash
 python -m media_server.service.install_windows remove
 ```
@@ -645,24 +830,27 @@ python -m media_server.service.install_windows remove
 ### Linux (systemd)
 
 Install:
+
 ```bash
 sudo ./service/install_linux.sh install
 ```
 
 Enable and start for your user:
+
 ```bash
 sudo systemctl enable media-server@$USER
 sudo systemctl start media-server@$USER
 ```
 
 View logs:
+
 ```bash
 journalctl -u media-server@$USER -f
 ```
 
 ## Command Line Options
 
-```
+```text
 python -m media_server.main [OPTIONS]
 
 Options:
@@ -681,15 +869,19 @@ Options:
 
 ## Supported Media Players
 
-### Windows
+### Players on Windows
+
 - Spotify
 - Windows Media Player
 - VLC
 - Groove Music
-- Web browsers (Chrome, Edge, Firefox)
+- foobar2000
+- AIMP
+- Web browsers (Chrome, Edge, Firefox, Opera, Brave)
 - Any app using Windows Media Transport Controls
 
-### Linux
+### Players on Linux
+
 - Any MPRIS-compliant player:
   - Spotify
   - VLC
@@ -698,28 +890,33 @@ Options:
   - Web browsers
   - MPD (with MPRIS bridge)
 
-### macOS
+### Players on macOS
+
 - Spotify
 - Apple Music
 - VLC (partial)
 - QuickTime Player
 
-### Android (via Termux)
+### Players on Android (via Termux)
+
 - System media controls
 - Limited seek support
 
 ## Troubleshooting
 
 ### "No active media session"
+
 - Ensure a media player is running and has played content
 - On Windows, check that the app supports media transport controls
 - On Linux, verify MPRIS with: `dbus-send --print-reply --dest=org.freedesktop.DBus /org/freedesktop/DBus org.freedesktop.DBus.ListNames | grep mpris`
 
 ### Permission errors on Linux
+
 - Ensure your user has access to the D-Bus session bus
 - For systemd service, the `DBUS_SESSION_BUS_ADDRESS` must be set correctly
 
 ### Volume control not working
+
 - Windows: Run as administrator if needed
 - Linux: Ensure PulseAudio/PipeWire is running
 

RELEASE_NOTES.md

@@ -0,0 +1,16 @@
+## v0.1.7 (2026-04-17)
+
+### Changes
+- Bundle the audio visualizer by default. `soundcard` and `numpy` are now mandatory dependencies instead of gated behind the optional `[visualizer]` extra, so the visualizer works out of the box on every install.
+
+---
+
+### Development / Internal
+
+#### CI/Build
+- Simplify `build-dist-linux.sh` to install `.` instead of `.[visualizer]` now that the deps are part of the base install.
+
+---
+
+### Contributors
+- @alexei.dolgolyov — 1 change

build-common.sh

@@ -0,0 +1,121 @@
+#!/usr/bin/env bash
+# build-common.sh — shared functions for platform build scripts
+# Source this file, do not execute directly.
+
+# --- Version detection ---
+# Fallback chain: CLI arg → git tag → CI env var → pyproject.toml
+detect_version() {
+    local arg="${1:-}"
+    VERSION="${arg}"
+
+    if [ -z "$VERSION" ]; then
+        VERSION=$(git describe --tags --exact-match 2>/dev/null || true)
+    fi
+
+    if [ -z "$VERSION" ]; then
+        VERSION="${GITEA_REF_NAME:-${GITHUB_REF_NAME:-}}"
+    fi
+
+    if [ -z "$VERSION" ]; then
+        VERSION=$(grep -oP '^version\s*=\s*"\K[^"]+' \
+          pyproject.toml 2>/dev/null || echo "0.0.0")
+    fi
+
+    VERSION_CLEAN="${VERSION#v}"
+
+    # Normalize non-PEP440 labels (e.g. "dev", "nightly", "snapshot") to a
+    # valid PEP440 dev release. Without this, pip/setuptools rejects
+    # pyproject.toml with: `project.version` must be pep440.
+    #
+    # Valid forms:   1.2.3, 1.2.3a1, 1.2.3rc2, 1.2.3.dev0, 1.2.3.post1, +local
+    # Invalid forms: dev, vdev, nightly, snapshot-2024
+    if ! [[ "$VERSION_CLEAN" =~ ^[0-9]+(\.[0-9]+)*((a|b|rc|\.dev|\.post)[0-9]+)*(\+[a-zA-Z0-9.]+)?$ ]]; then
+        echo "  Warning: '$VERSION_CLEAN' is not PEP440-compliant, using 0.0.0.dev0"
+        VERSION_CLEAN="0.0.0.dev0"
+    fi
+
+    # Stamp version into pyproject.toml (single source of truth)
+    sed -i "s/^version = .*/version = \"${VERSION_CLEAN}\"/" pyproject.toml
+}
+
+# --- Clean dist/build directories ---
+clean_dist() {
+    rm -rf dist build
+    mkdir -p "$@"
+}
+
+# --- Verify frontend bundle exists ---
+verify_frontend() {
+    if [ ! -f "media_server/static/dist/app.bundle.js" ]; then
+        echo "ERROR: Frontend bundle not found. Run 'npm ci && npm run build' first."
+        exit 1
+    fi
+}
+
+# --- Copy application files into dist ---
+# Args: $1 = DIST_DIR
+copy_app_files() {
+    local dist_dir="$1"
+
+    echo "Copying application files..."
+    mkdir -p "${dist_dir}/app"
+    cp -r media_server "${dist_dir}/app/"
+
+    # Remove source JS (bundle is in dist/)
+    rm -rf "${dist_dir}/app/media_server/static/js"
+    # Remove source maps from release
+    rm -f "${dist_dir}/app/media_server/static/dist/"*.map
+
+    # Copy config example
+    cp config.example.yaml "${dist_dir}/"
+
+    # Write version file
+    echo "$VERSION_CLEAN" > "${dist_dir}/VERSION"
+}
+
+# --- Clean up site-packages for smaller distribution ---
+# Args: $1 = site-packages path, $2 = ext suffix (pyd|so), $3 = lib suffix (dll|so)
+# Windows: cleanup_site_packages "$SP" "pyd" "dll"
+# Linux:   cleanup_site_packages "$SP" "so"  "so"
+cleanup_site_packages() {
+    local sp_dir="$1"
+    local ext_suffix="${2:-so}"
+    local lib_suffix="${3:-so}"
+
+    echo "Optimizing size..."
+
+    # Generic cleanup
+    find "$sp_dir" -type d -name __pycache__ -exec rm -rf {} + 2>/dev/null || true
+    find "$sp_dir" -type d -name tests -exec rm -rf {} + 2>/dev/null || true
+    find "$sp_dir" -type d -name "*.dist-info" -exec rm -rf {} + 2>/dev/null || true
+    find "$sp_dir" -name "*.pyi" -delete 2>/dev/null || true
+    rm -rf "$sp_dir"/{pip,setuptools,pkg_resources,_distutils_hack}* 2>/dev/null || true
+
+    # Trim numpy if present
+    for mod in polynomial linalg ma lib distutils f2py typing _pyinstaller; do
+        rm -rf "$sp_dir/numpy/$mod" 2>/dev/null || true
+    done
+
+    # Trim OpenCV if present
+    rm -f "$sp_dir"/cv2/opencv_videoio_ffmpeg*."$lib_suffix" 2>/dev/null || true
+    rm -rf "$sp_dir"/cv2/{data,gapi,misc,utils,typing_stubs,typing} 2>/dev/null || true
+
+    # Trim Pillow unused plugins if present
+    rm -rf "$sp_dir"/PIL/{FpxImagePlugin,MicImagePlugin,McIdasImagePlugin}* 2>/dev/null || true
+
+    # Trim zeroconf service DB if present
+    rm -rf "$sp_dir"/zeroconf/_services 2>/dev/null || true
+
+    # Strip debug symbols from native extensions
+    find "$sp_dir" -name "*.$ext_suffix" -exec strip --strip-debug {} \; 2>/dev/null || true
+
+    # NOTE: do NOT strip .py source files. A previous version of this function
+    # ran `find ... -name "*.py" ! -name "__init__.py" -delete` with a comment
+    # claiming "keep .pyc only" — but no compileall step exists, so the dist
+    # shipped with __init__.py + .pyd only, missing every submodule (Image.py,
+    # ImageDraw.py, _version.py, ...). Fresh installs would fail with
+    # ModuleNotFoundError; in-place upgrades over an older install produced a
+    # half-old/half-new site-packages where PIL/__init__.py was new but
+    # PIL/_version.py was stale, yielding the runtime "_imaging extension was
+    # built for another version of Pillow" import error.
+}

build-dist-linux.sh

@@ -0,0 +1,96 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Build Linux distribution (self-contained venv + tarball)
+# Usage: ./build-dist-linux.sh [VERSION]
+
+source "$(dirname "$0")/build-common.sh"
+
+detect_version "${1:-}"
+echo "Building Media Server v${VERSION_CLEAN} for Linux"
+
+# --- Configuration ---
+DIST_DIR="dist/media-server"
+BUILD_OUTPUT="build/MediaServer-v${VERSION_CLEAN}-linux-x64"
+
+clean_dist "${DIST_DIR}" build
+verify_frontend
+
+# --- Create self-contained virtualenv ---
+echo "Creating virtualenv..."
+python3 -m venv "${DIST_DIR}/venv"
+source "${DIST_DIR}/venv/bin/activate"
+pip install --quiet --upgrade pip
+pip install --quiet "."
+
+# Remove the installed package (app source is on PYTHONPATH via launcher)
+rm -rf "${DIST_DIR}"/venv/lib/python*/site-packages/media_server*
+rm -rf "${DIST_DIR}"/venv/lib/python*/site-packages/media_server*.dist-info
+
+deactivate
+
+# Trim venv site-packages
+LINUX_SP=$(echo "${DIST_DIR}"/venv/lib/python*/site-packages)
+cleanup_site_packages "$LINUX_SP" "so" "so"
+
+copy_app_files "$DIST_DIR"
+
+# --- Create launcher ---
+cat > "${DIST_DIR}/media-server.sh" << 'LAUNCHER'
+#!/usr/bin/env bash
+set -euo pipefail
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+export PYTHONPATH="$SCRIPT_DIR/app"
+source "$SCRIPT_DIR/venv/bin/activate"
+exec python -m media_server.main "$@"
+LAUNCHER
+chmod +x "${DIST_DIR}/media-server.sh"
+
+# --- Create systemd service installer ---
+cat > "${DIST_DIR}/install-service.sh" << 'SERVICE'
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+SERVICE_NAME="media-server"
+SERVICE_FILE="/etc/systemd/system/${SERVICE_NAME}.service"
+
+if [ "$EUID" -ne 0 ]; then
+    echo "Please run with sudo: sudo ./install-service.sh"
+    exit 1
+fi
+
+REAL_USER="${SUDO_USER:-$USER}"
+
+cat > "$SERVICE_FILE" << EOF
+[Unit]
+Description=Media Server
+After=network.target sound.target
+
+[Service]
+Type=simple
+User=${REAL_USER}
+WorkingDirectory=${SCRIPT_DIR}
+ExecStart=${SCRIPT_DIR}/media-server.sh
+Restart=on-failure
+RestartSec=5
+Environment=PYTHONUNBUFFERED=1
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+systemctl daemon-reload
+systemctl enable "${SERVICE_NAME}"
+systemctl start "${SERVICE_NAME}"
+echo "Service '${SERVICE_NAME}' installed and started."
+echo "Check status: systemctl status ${SERVICE_NAME}"
+SERVICE
+chmod +x "${DIST_DIR}/install-service.sh"
+
+# --- Package ---
+echo "Creating archive..."
+cp -r "${DIST_DIR}" "${BUILD_OUTPUT}"
+tar -czf "${BUILD_OUTPUT}.tar.gz" -C build "MediaServer-v${VERSION_CLEAN}-linux-x64"
+
+echo "Build complete: ${BUILD_OUTPUT}.tar.gz"

build-dist-windows.sh

@@ -0,0 +1,149 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Cross-build Windows distribution on Linux
+# Usage: ./build-dist-windows.sh [VERSION]
+
+source "$(dirname "$0")/build-common.sh"
+
+detect_version "${1:-}"
+echo "Building Media Server v${VERSION_CLEAN} for Windows"
+
+# --- Configuration ---
+PYTHON_VERSION="3.11.9"
+PYTHON_SHORT="311"
+DIST_DIR="dist/media-server"
+WHEEL_DIR="build/win-wheels"
+SITE_PACKAGES="${DIST_DIR}/python/Lib/site-packages"
+BUILD_OUTPUT="build/MediaServer-v${VERSION_CLEAN}-win-x64"
+
+clean_dist "${DIST_DIR}" "${WHEEL_DIR}" "${SITE_PACKAGES}"
+
+# --- Download embedded Python (cache-friendly) ---
+mkdir -p build
+if [ ! -f build/python-embed.zip ]; then
+    echo "Downloading embedded Python ${PYTHON_VERSION}..."
+    curl -sL "https://www.python.org/ftp/python/${PYTHON_VERSION}/python-${PYTHON_VERSION}-embed-amd64.zip" \
+        -o build/python-embed.zip
+else
+    echo "Using cached embedded Python ${PYTHON_VERSION}"
+fi
+unzip -qo build/python-embed.zip -d "${DIST_DIR}/python"
+
+# Patch ._pth to enable site-packages and app source
+PTH_FILE=$(ls "${DIST_DIR}"/python/python*._pth | head -1)
+sed -i 's/^#\s*import site/import site/' "$PTH_FILE"
+echo 'Lib\site-packages' >> "$PTH_FILE"
+echo '..\app' >> "$PTH_FILE"
+
+# --- Download Windows wheels ---
+echo "Downloading Windows wheels..."
+
+# Core dependencies
+# NOTE: uvicorn[standard] pulls in uvloop via `sys_platform != 'win32'` marker.
+# pip evaluates env markers against the HOST (Linux in CI), so uvloop is
+# requested, but `--platform win_amd64 --only-binary :all:` cannot find a
+# Windows wheel for uvloop (none exist). Result: pip backtracks across every
+# uvicorn[standard] version and ResolutionImpossible. Fix: use plain uvicorn
+# and list only the Windows-compatible standard extras we actually need.
+CORE_DEPS=(
+    "fastapi>=0.109.0"
+    "uvicorn>=0.27.0"
+    "httptools>=0.5.0"
+    "websockets>=10.4"
+    "python-dotenv>=0.13"
+    "pydantic>=2.0"
+    "pydantic-settings>=2.0"
+    "pyyaml>=6.0"
+    "mutagen>=1.47.0"
+    "pillow>=10.0.0"
+)
+
+# Windows-specific dependencies
+# NOTE: wmi is a transitive dep of screen-brightness-control gated on
+# `platform_system == "Windows"`. pip evaluates env markers against the HOST
+# (Linux in CI), so it gets skipped during cross-build. Listed explicitly here
+# so the wheel actually lands in the Windows bundle. Same gotcha as the
+# uvicorn[standard]/uvloop case documented above.
+WIN_DEPS=(
+    "winsdk>=1.0.0b10"
+    "pywin32>=306"
+    "comtypes>=1.2.0"
+    "pycaw>=20230407"
+    "screen-brightness-control>=0.20.0"
+    "wmi>=1.5.1"
+    "monitorcontrol>=3.0.0"
+)
+
+# Visualizer dependencies
+VIS_DEPS=(
+    "soundcard>=0.4.0"
+    "numpy>=1.24.0,<2.0"
+    # pystray lives here (not WIN_DEPS) so its transitive Pillow resolves in the
+    # same pass as CORE_DEPS. Keeping it in the per-dep WIN_DEPS loop downloaded
+    # a second Pillow version that clobbered the core one on unzip, producing
+    # "_imaging extension was built for another version of Pillow" at runtime.
+    "pystray>=0.19.0"
+)
+
+# Resolve core + visualizer deps in a SINGLE call so pip picks compatible
+# transitive versions (notably pydantic/pydantic-core must match).
+# Per-dep loops resolve each dep independently and can leave mismatched
+# transitive versions that overwrite each other in the site-packages unzip.
+CROSS_DEPS=("${CORE_DEPS[@]}" "${VIS_DEPS[@]}")
+pip download --quiet --no-cache-dir --dest "$WHEEL_DIR" \
+    --platform win_amd64 --python-version "${PYTHON_SHORT}" \
+    --implementation cp --only-binary :all: \
+    "${CROSS_DEPS[@]}"
+
+# Windows-only deps in a loop with --pre: winsdk only ships beta wheels
+# (1.0.0bNN) and each dep needs its own platform/non-platform fallback.
+for dep in "${WIN_DEPS[@]}"; do
+    pip download --pre --quiet --no-cache-dir --dest "$WHEEL_DIR" \
+        --platform win_amd64 --python-version "${PYTHON_SHORT}" \
+        --implementation cp --only-binary :all: \
+        "$dep" 2>/dev/null || \
+    pip download --pre --quiet --no-cache-dir --dest "$WHEEL_DIR" \
+        --only-binary :all: \
+        "$dep"
+done
+
+# Remove numpy 2.x wheels pulled as transitive deps (soundcard requires <2.0)
+for f in "$WHEEL_DIR"/numpy-2*; do
+    [ -f "$f" ] && echo "Removing incompatible: $(basename "$f")" && rm "$f"
+done
+
+# Install wheels into site-packages
+echo "Installing wheels..."
+for whl in "$WHEEL_DIR"/*.whl; do
+    unzip -qo "$whl" -d "$SITE_PACKAGES"
+done
+
+cleanup_site_packages "$SITE_PACKAGES" "pyd" "dll"
+verify_frontend
+copy_app_files "$DIST_DIR"
+
+# Copy scripts needed for auto-start
+mkdir -p "${DIST_DIR}/scripts"
+cp scripts/start-hidden.vbs "${DIST_DIR}/scripts/"
+
+# --- Create launcher ---
+cat > "${DIST_DIR}/media-server.bat" << 'LAUNCHER'
+@echo off
+setlocal
+set "ROOT=%~dp0"
+"%ROOT%python\python.exe" -m media_server.main %*
+LAUNCHER
+
+# --- Package ---
+echo "Creating archives..."
+mkdir -p build
+
+# Portable ZIP
+cp -r "${DIST_DIR}" "${BUILD_OUTPUT}"
+cd build
+zip -qr "MediaServer-v${VERSION_CLEAN}-win-x64.zip" "MediaServer-v${VERSION_CLEAN}-win-x64"
+cd ..
+
+echo "Build complete: build/MediaServer-v${VERSION_CLEAN}-win-x64.zip"
+echo "Dist directory ready for NSIS: ${DIST_DIR}"

config.example.yaml

@@ -1,13 +1,14 @@
 # Media Server Configuration
 # Copy this file to config.yaml and customize as needed.
-# A secure token will be auto-generated on first run if not specified.
+# By default, authentication is DISABLED (no tokens = open access).
+# To enable auth, uncomment and configure the api_tokens section below.
 
 # API Tokens - Multiple tokens with friendly labels
 # This allows you to identify which client is making requests in the logs
-api_tokens:
-  home_assistant: "your-home-assistant-token-here"
-  mobile: "your-mobile-app-token-here"
-  web_ui: "your-web-ui-token-here"
+# api_tokens:
+#   home_assistant: "your-home-assistant-token-here"
+#   mobile: "your-mobile-app-token-here"
+#   web_ui: "your-web-ui-token-here"
 
 # Server settings
 host: "0.0.0.0"
@@ -19,6 +20,7 @@ scripts:
     command: "rundll32.exe user32.dll,LockWorkStation"
     label: "Lock Screen"
     description: "Lock the workstation"
+    icon: "mdi:lock"
     timeout: 5
     shell: true
 
@@ -26,6 +28,7 @@ scripts:
     command: "shutdown /h"
     label: "Hibernate"
     description: "Hibernate the PC"
+    icon: "mdi:power-sleep"
     timeout: 10
     shell: true
 
@@ -33,6 +36,7 @@ scripts:
     command: "rundll32.exe powrprof.dll,SetSuspendState 0,1,0"
     label: "Sleep"
     description: "Put PC to sleep"
+    icon: "mdi:sleep"
     timeout: 10
     shell: true
 
@@ -40,6 +44,7 @@ scripts:
     command: "shutdown /s /t 0"
     label: "Shutdown"
     description: "Shutdown the PC immediately"
+    icon: "mdi:power"
     timeout: 10
     shell: true
 
@@ -47,9 +52,15 @@ scripts:
     command: "shutdown /r /t 0"
     label: "Restart"
     description: "Restart the PC immediately"
+    icon: "mdi:restart"
     timeout: 10
     shell: true
 
+# Media folder management from Web UI (default: true)
+# When enabled, media folders can be added, edited, and deleted from the Settings tab.
+# Set to false to disable folder management from the UI.
+# media_folders_management: false
+
 # Callback scripts (executed after media actions)
 # All callbacks are optional - if not defined, the action runs without callback
 callbacks:

esbuild.mjs

@@ -0,0 +1,26 @@
+import * as esbuild from 'esbuild';
+
+const srcDir = 'media_server/static';
+const outDir = `${srcDir}/dist`;
+
+const watch = process.argv.includes('--watch');
+
+/** @type {esbuild.BuildOptions} */
+const jsOpts = {
+    entryPoints: [`${srcDir}/js/app.js`],
+    bundle: true,
+    format: 'iife',
+    outfile: `${outDir}/app.bundle.js`,
+    minify: true,
+    sourcemap: true,
+    target: ['es2020'],
+    logLevel: 'info',
+};
+
+if (watch) {
+    const jsCtx = await esbuild.context(jsOpts);
+    await jsCtx.watch();
+    console.log('Watching for changes...');
+} else {
+    await esbuild.build(jsOpts);
+}

installer.nsi

@@ -0,0 +1,180 @@
+; Media Server NSIS Installer
+; Cross-compilable: apt install nsis && makensis -DVERSION="1.0.0" installer.nsi
+
+!include "MUI2.nsh"
+!include "FileFunc.nsh"
+
+; --- Configuration ---
+!define APPNAME "Media Server"
+!define EXENAME "media-server.bat"
+!define VBSNAME "start-hidden.vbs"
+!ifndef VERSION
+    !define VERSION "0.0.0"
+!endif
+
+Name "${APPNAME} ${VERSION}"
+OutFile "build\MediaServer-v${VERSION}-setup.exe"
+InstallDir "$LOCALAPPDATA\${APPNAME}"
+RequestExecutionLevel user
+
+; --- UI ---
+!define MUI_ICON "media_server\static\icons\icon.ico"
+!define MUI_UNICON "media_server\static\icons\icon.ico"
+!define MUI_ABORTWARNING
+!define MUI_FINISHPAGE_RUN ""
+!define MUI_FINISHPAGE_RUN_TEXT "Launch ${APPNAME}"
+!define MUI_FINISHPAGE_RUN_FUNCTION LaunchApp
+
+!insertmacro MUI_PAGE_WELCOME
+!insertmacro MUI_PAGE_DIRECTORY
+!insertmacro MUI_PAGE_COMPONENTS
+!insertmacro MUI_PAGE_INSTFILES
+!insertmacro MUI_PAGE_FINISH
+
+!insertmacro MUI_UNPAGE_CONFIRM
+!insertmacro MUI_UNPAGE_INSTFILES
+
+!insertmacro MUI_LANGUAGE "English"
+
+; --- Functions ---
+Function LaunchApp
+    ExecShell "open" "wscript.exe" '"$INSTDIR\scripts\${VBSNAME}"'
+    ; Give the server a moment to start, then open the UI in the default browser
+    Sleep 2000
+    ExecShell "open" "http://localhost:8765/"
+FunctionEnd
+
+Function .onInit
+    ; Check if server is running by trying to open its Python executable exclusively
+    IfFileExists "$INSTDIR\python\python.exe" 0 done
+    ClearErrors
+    FileOpen $0 "$INSTDIR\python\python.exe" a
+    IfErrors locked
+    ; File opened fine — server is not running
+    FileClose $0
+    Goto done
+    locked:
+        MessageBox MB_YESNOCANCEL|MB_ICONEXCLAMATION \
+            "${APPNAME} is currently running.$\n$\nYes = Stop the server and continue$\nNo = Continue without stopping (may cause errors)$\nCancel = Abort installation" \
+            IDYES kill IDNO done
+        Abort
+        kill:
+            nsExec::ExecToLog 'wmic process where "ExecutablePath like $\'%Media Server%python%$\'" call terminate'
+            Sleep 2000
+    done:
+FunctionEnd
+
+; --- Sections ---
+Section "!Core (required)" SecCore
+    SectionIn RO
+
+    SetOutPath "$INSTDIR"
+
+    ; Wipe previous payload before extracting so stale files from an older
+    ; version cannot survive an upgrade. Without this, in-place upgrades
+    ; produce a half-old/half-new site-packages — e.g. an old PIL/_version.py
+    ; alongside a new PIL/_imaging.pyd, which raises "_imaging extension was
+    ; built for another version of Pillow" at runtime. config.yaml lives at
+    ; $INSTDIR root and is preserved.
+    RMDir /r "$INSTDIR\python"
+    RMDir /r "$INSTDIR\app"
+    RMDir /r "$INSTDIR\scripts"
+    Delete "$INSTDIR\${EXENAME}"
+    Delete "$INSTDIR\VERSION"
+    Delete "$INSTDIR\config.example.yaml"
+
+    ; Copy entire distribution
+    File /r "dist\media-server\*.*"
+
+    ; Create config.yaml from example if it doesn't already exist (preserve user config on upgrade)
+    IfFileExists "$INSTDIR\config.yaml" +2
+    CopyFiles /SILENT "$INSTDIR\config.example.yaml" "$INSTDIR\config.yaml"
+
+    ; Create uninstaller
+    WriteUninstaller "$INSTDIR\uninstall.exe"
+
+    ; Start Menu shortcuts
+    CreateDirectory "$SMPROGRAMS\${APPNAME}"
+    CreateShortcut "$SMPROGRAMS\${APPNAME}\${APPNAME}.lnk" \
+        "wscript.exe" '"$INSTDIR\scripts\${VBSNAME}"' \
+        "$INSTDIR\app\media_server\static\icons\icon.ico" 0
+    CreateShortcut "$SMPROGRAMS\${APPNAME}\${APPNAME} (Console).lnk" \
+        "$INSTDIR\${EXENAME}" "" \
+        "$INSTDIR\app\media_server\static\icons\icon.ico" 0
+    CreateShortcut "$SMPROGRAMS\${APPNAME}\Uninstall.lnk" \
+        "$INSTDIR\uninstall.exe"
+
+    ; Registry for Add/Remove Programs
+    WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" \
+        "DisplayName" "${APPNAME}"
+    WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" \
+        "DisplayVersion" "${VERSION}"
+    WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" \
+        "UninstallString" "$\"$INSTDIR\uninstall.exe$\""
+    WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" \
+        "InstallLocation" "$INSTDIR"
+    WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" \
+        "Publisher" "Alexei Dolgolyov"
+    WriteRegDWORD HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" \
+        "NoModify" 1
+    WriteRegDWORD HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" \
+        "NoRepair" 1
+
+    ; Calculate installed size
+    ${GetSize} "$INSTDIR" "/S=0K" $0 $1 $2
+    IntFmt $0 "0x%08X" $0
+    WriteRegDWORD HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}" \
+        "EstimatedSize" "$0"
+SectionEnd
+
+Section "Desktop shortcut" SecDesktop
+    CreateShortcut "$DESKTOP\${APPNAME}.lnk" \
+        "wscript.exe" '"$INSTDIR\scripts\${VBSNAME}"' \
+        "$INSTDIR\app\media_server\static\icons\icon.ico" 0
+SectionEnd
+
+Section "Start with Windows" SecAutostart
+    ; Create Startup folder shortcut (runs hidden via VBS)
+    CreateShortcut "$SMSTARTUP\${APPNAME}.lnk" \
+        "wscript.exe" '"$INSTDIR\scripts\${VBSNAME}"' \
+        "$INSTDIR\app\media_server\static\icons\icon.ico" 0
+SectionEnd
+
+; --- Section descriptions ---
+!insertmacro MUI_FUNCTION_DESCRIPTION_BEGIN
+    !insertmacro MUI_DESCRIPTION_TEXT ${SecCore} \
+        "Core application files, embedded Python, and Start Menu shortcuts."
+    !insertmacro MUI_DESCRIPTION_TEXT ${SecDesktop} \
+        "Create a desktop shortcut to launch ${APPNAME}."
+    !insertmacro MUI_DESCRIPTION_TEXT ${SecAutostart} \
+        "Automatically start ${APPNAME} when you log in to Windows."
+!insertmacro MUI_FUNCTION_DESCRIPTION_END
+
+; --- Uninstaller ---
+Section "Uninstall"
+    ; Stop running instance
+    nsExec::ExecToLog 'wmic process where "ExecutablePath like $\'%Media Server%python%$\'" call terminate'
+    nsExec::ExecToLog 'taskkill /F /IM media-server.exe'
+
+    ; Remove application files
+    RMDir /r "$INSTDIR\python"
+    RMDir /r "$INSTDIR\app"
+    RMDir /r "$INSTDIR\scripts"
+    Delete "$INSTDIR\${EXENAME}"
+    Delete "$INSTDIR\VERSION"
+    Delete "$INSTDIR\uninstall.exe"
+
+    ; Preserve config.yaml (user data) — only remove the example
+    Delete "$INSTDIR\config.example.yaml"
+
+    ; Remove shortcuts
+    Delete "$DESKTOP\${APPNAME}.lnk"
+    Delete "$SMSTARTUP\${APPNAME}.lnk"
+    RMDir /r "$SMPROGRAMS\${APPNAME}"
+
+    ; Remove registry
+    DeleteRegKey HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\${APPNAME}"
+
+    ; Remove install dir only if empty (config.yaml may remain)
+    RMDir "$INSTDIR"
+SectionEnd

media_server/__init__.py

@@ -1,3 +1,23 @@
 """Media Server - REST API for controlling system media playback."""
 
-__version__ = "1.0.0"
+from importlib.metadata import PackageNotFoundError, version
+from pathlib import Path
+
+
+def _detect_version() -> str:
+    # 1. Package metadata (works when pip-installed in dev)
+    try:
+        return version("media-server")
+    except PackageNotFoundError:
+        pass
+
+    # 2. VERSION file written by build scripts (production builds)
+    # Located at install root, two levels up from this package
+    version_file = Path(__file__).resolve().parent.parent.parent / "VERSION"
+    if version_file.is_file():
+        return version_file.read_text().strip()
+
+    return "0.0.0-dev"
+
+
+__version__ = _detect_version()

media_server/auth.py

@@ -15,6 +15,11 @@ security = HTTPBearer(auto_error=False)
 token_label_var: ContextVar[str] = ContextVar("token_label", default="unknown")
 
 
+def auth_enabled() -> bool:
+    """Check if authentication is enabled (i.e. at least one token is configured)."""
+    return bool(settings.api_tokens)
+
+
 def get_token_label(token: str) -> Optional[str]:
     """Get the label for a token. Returns None if token is invalid.
 
@@ -36,14 +41,19 @@ async def verify_token(
 ) -> str:
     """Verify the API token from the Authorization header.
 
+    When no tokens are configured, authentication is skipped entirely.
     Reuses the label from middleware context when already validated.
 
     Returns:
-        The token label
+        The token label (or "anonymous" when auth is disabled)
 
     Raises:
-        HTTPException: If the token is missing or invalid
+        HTTPException: If the token is missing or invalid (only when auth enabled)
     """
+    if not auth_enabled():
+        token_label_var.set("anonymous")
+        return "anonymous"
+
     # Reuse label already set by middleware to avoid redundant O(n) scan
     existing = token_label_var.get("unknown")
     if existing != "unknown":
@@ -80,6 +90,10 @@ class TokenAuth:
         credentials: HTTPAuthorizationCredentials = Depends(security),
     ) -> str | None:
         """Verify the token and return the label or raise an exception."""
+        if not auth_enabled():
+            token_label_var.set("anonymous")
+            return "anonymous"
+
         if credentials is None:
             if self.auto_error:
                 raise HTTPException(
@@ -122,6 +136,10 @@ async def verify_token_or_query(
     Raises:
         HTTPException: If the token is missing or invalid
     """
+    if not auth_enabled():
+        token_label_var.set("anonymous")
+        return "anonymous"
+
     # Reuse label already set by middleware
     existing = token_label_var.get("unknown")
     if existing != "unknown":

media_server/config.py

@@ -1,7 +1,6 @@
 """Configuration management for the media server."""
 
 import os
-import secrets
 from pathlib import Path
 from typing import Optional
 
@@ -27,6 +26,26 @@ class CallbackConfig(BaseModel):
     shell: bool = Field(default=True, description="Run command in shell")
 
 
+class ScriptParameterConfig(BaseModel):
+    """Configuration for a script parameter."""
+
+    type: str = Field(
+        ...,
+        description="Parameter type: string, integer, float, boolean, select",
+        pattern=r"^(string|integer|float|boolean|select)$",
+    )
+    description: str = Field(default="", description="Parameter description")
+    required: bool = Field(default=False, description="Whether the parameter is required")
+    default: Optional[str | int | float | bool] = Field(
+        default=None, description="Default value if not provided"
+    )
+    min: Optional[float] = Field(default=None, description="Minimum value (numeric types only)")
+    max: Optional[float] = Field(default=None, description="Maximum value (numeric types only)")
+    options: Optional[list[str]] = Field(
+        default=None, description="Allowed values (select type only)"
+    )
+
+
 class ScriptConfig(BaseModel):
     """Configuration for a custom script."""
 
@@ -37,6 +56,9 @@ class ScriptConfig(BaseModel):
     timeout: int = Field(default=30, description="Execution timeout in seconds", ge=1, le=300)
     working_dir: Optional[str] = Field(default=None, description="Working directory")
     shell: bool = Field(default=True, description="Run command in shell")
+    parameters: dict[str, ScriptParameterConfig] = Field(
+        default_factory=dict, description="Named parameters with type and validation rules"
+    )
 
 
 class LinkConfig(BaseModel):
@@ -62,10 +84,10 @@ class Settings(BaseSettings):
     host: str = Field(default="0.0.0.0", description="Server bind address")
     port: int = Field(default=8765, description="Server port")
 
-    # Authentication
+    # Authentication (empty = auth disabled, anyone can access the API)
     api_tokens: dict[str, str] = Field(
-        default_factory=lambda: {"default": secrets.token_urlsafe(32)},
-        description="Named API tokens for access control (label: token pairs)",
+        default_factory=dict,
+        description="Named API tokens for access control (label: token pairs). Empty = no auth.",
     )
 
     # Media controller settings
@@ -76,7 +98,10 @@ class Settings(BaseSettings):
     # Audio device settings
     audio_device: Optional[str] = Field(
         default=None,
-        description="Audio device name to control (None = default device). Use /api/audio/devices to list available devices.",
+        description=(
+            "Audio device name to control (None = default device)."
+            " Use /api/audio/devices to list available devices."
+        ),
     )
 
     # Logging
@@ -99,6 +124,10 @@ class Settings(BaseSettings):
         default_factory=dict,
         description="Media folders available for browsing in the media browser",
     )
+    media_folders_management: bool = Field(
+        default=True,
+        description="Allow adding, editing, and deleting media folders from the Web UI",
+    )
 
     # Thumbnail settings
     thumbnail_size: str = Field(
@@ -134,6 +163,17 @@ class Settings(BaseSettings):
         description="Loopback audio device name for visualizer (None = auto-detect)",
     )
 
+    # Update checker
+    update_check_enabled: bool = Field(
+        default=True,
+        description="Check for new versions on startup and periodically",
+    )
+    update_check_interval: int = Field(
+        default=21600,
+        description="Update check interval in seconds (default: 6 hours)",
+        ge=600,
+    )
+
     @classmethod
     def load_from_yaml(cls, path: Optional[Path] = None) -> "Settings":
         """Load settings from a YAML configuration file."""
@@ -185,9 +225,9 @@ def generate_default_config(path: Optional[Path] = None) -> Path:
     config = {
         "host": "0.0.0.0",
         "port": 8765,
-        "api_tokens": {
-            "default": secrets.token_urlsafe(32),
-        },
+        # "api_tokens": {
+        #     "default": "your-secret-token-here",
+        # },
         "poll_interval": 1.0,
         "log_level": "INFO",
         # Audio device to control (use GET /api/audio/devices to list available devices)

media_server/config_manager.py

@@ -451,6 +451,34 @@ class ConfigManager:
                 del settings.links[name]
             logger.info(f"Link '{name}' deleted from config")
 
+    def set_setting(self, key: str, value) -> None:
+        """Set a top-level config setting and persist to YAML.
+
+        Args:
+            key: Setting name (e.g., "visualizer_device").
+            value: Setting value (None removes the key).
+        """
+        with self._lock:
+            if not self._config_path.exists():
+                data = {}
+            else:
+                with open(self._config_path, "r", encoding="utf-8") as f:
+                    data = yaml.safe_load(f) or {}
+
+            if value is None:
+                data.pop(key, None)
+            else:
+                data[key] = value
+
+            self._config_path.parent.mkdir(parents=True, exist_ok=True)
+            with open(self._config_path, "w", encoding="utf-8") as f:
+                yaml.dump(data, f, default_flow_style=False, sort_keys=False)
+
+            # Update in-memory settings
+            if hasattr(settings, key):
+                setattr(settings, key, value)
+            logger.info("Setting '%s' updated to: %s", key, value)
+
 
 # Global config manager instance
 config_manager = ConfigManager()

media_server/main.py

@@ -2,6 +2,7 @@
 
 import argparse
 import logging
+import socket
 import sys
 from contextlib import asynccontextmanager
 from pathlib import Path
@@ -15,8 +16,17 @@ from fastapi.staticfiles import StaticFiles
 
 from . import __version__
 from .auth import get_token_label, token_label_var
-from .config import settings, generate_default_config, get_config_dir
-from .routes import audio_router, browser_router, callbacks_router, display_router, health_router, links_router, media_router, scripts_router
+from .config import generate_default_config, get_config_dir, settings
+from .routes import (
+    audio_router,
+    browser_router,
+    callbacks_router,
+    display_router,
+    health_router,
+    links_router,
+    media_router,
+    scripts_router,
+)
 from .services import get_media_controller
 from .services.websocket_manager import ws_manager
 
@@ -42,6 +52,9 @@ def setup_logging():
         handlers=[handler],
     )
 
+    # Suppress noisy third-party loggers
+    logging.getLogger("screen_brightness_control").setLevel(logging.ERROR)
+
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
@@ -50,15 +63,30 @@ async def lifespan(app: FastAPI):
     logger = logging.getLogger(__name__)
     logger.info(f"Media Server starting on {settings.host}:{settings.port}")
 
-    # Log all configured tokens
-    for label, token in settings.api_tokens.items():
-        logger.info(f"API Token [{label}]: {token[:8]}...")
+    # Log authentication status
+    if settings.api_tokens:
+        for label, token in settings.api_tokens.items():
+            logger.info(f"API Token [{label}]: {token[:8]}...")
+    else:
+        logger.warning("No API tokens configured — authentication is DISABLED")
 
     # Start WebSocket status monitor
     controller = get_media_controller()
     await ws_manager.start_status_monitor(controller.get_status)
     logger.info("WebSocket status monitor started")
 
+    # Start update checker
+    update_checker = None
+    if settings.update_check_enabled:
+        from .services.gitea_release_provider import GiteaReleaseProvider
+        from .services.update_checker import UpdateChecker
+
+        provider = GiteaReleaseProvider()
+        update_checker = UpdateChecker(provider, __version__)
+        await update_checker.start(settings.update_check_interval)
+        # Store globally so health endpoint can access cached result
+        app.state.update_checker = update_checker
+
     # Register audio visualizer (capture starts on-demand when clients subscribe)
     analyzer = None
     if settings.visualizer_enabled:
@@ -77,6 +105,10 @@ async def lifespan(app: FastAPI):
 
     yield
 
+    # Stop update checker
+    if update_checker is not None:
+        await update_checker.stop()
+
     # Stop audio visualizer
     await ws_manager.stop_audio_monitor()
     if analyzer and analyzer.running:
@@ -120,24 +152,28 @@ def create_app() -> FastAPI:
     @app.middleware("http")
     async def token_logging_middleware(request: Request, call_next):
         """Extract token label and set in context for logging."""
-        token_label = "unknown"
+        if not settings.api_tokens:
+            token_label_var.set("anonymous")
+        else:
+            token_label = "unknown"
 
-        # Try Authorization header
-        auth_header = request.headers.get("authorization", "")
-        if auth_header.startswith("Bearer "):
-            token = auth_header[7:]
-            label = get_token_label(token)
-            if label:
-                token_label = label
+            # Try Authorization header
+            auth_header = request.headers.get("authorization", "")
+            if auth_header.startswith("Bearer "):
+                token = auth_header[7:]
+                label = get_token_label(token)
+                if label:
+                    token_label = label
 
-        # Try query parameter (for artwork endpoint)
-        elif "token" in request.query_params:
-            token = request.query_params["token"]
-            label = get_token_label(token)
-            if label:
-                token_label = label
+            # Try query parameter (for artwork endpoint)
+            elif "token" in request.query_params:
+                token = request.query_params["token"]
+                label = get_token_label(token)
+                if label:
+                    token_label = label
+
+            token_label_var.set(token_label)
 
-        token_label_var.set(token_label)
         response = await call_next(request)
         return response
 
@@ -200,28 +236,98 @@ def main():
         action="store_true",
         help="Show the current API token and exit",
     )
+    parser.add_argument(
+        "--no-tray",
+        action="store_true",
+        help="Disable system tray icon (for headless/service mode)",
+    )
 
     args = parser.parse_args()
 
     if args.generate_config:
         config_path = generate_default_config()
         print(f"Configuration file generated at: {config_path}")
-        print(f"API Token has been saved to the config file.")
+        print("Authentication is disabled by default. Add api_tokens to enable it.")
         return
 
     if args.show_token:
         print(f"Config directory: {get_config_dir()}")
-        print(f"\nAPI Tokens:")
-        for label, token in settings.api_tokens.items():
-            print(f"  {label:20} {token}")
+        if settings.api_tokens:
+            print("\nAPI Tokens:")
+            for label, token in settings.api_tokens.items():
+                print(f"  {label:20} {token}")
+        else:
+            print("\nAuthentication is DISABLED (no tokens configured)")
         return
 
-    uvicorn.run(
-        "media_server.main:app",
-        host=args.host,
-        port=args.port,
-        reload=False,
-    )
+    # Check if port is available before starting
+    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sock:
+        try:
+            sock.bind((args.host if args.host != "0.0.0.0" else "127.0.0.1", args.port))
+        except OSError:
+            print(
+                f"ERROR: Port {args.port} is already in use. "
+                f"Another instance of Media Server may be running.\n"
+                f"Stop the other process or use --port to pick a different port.",
+                file=sys.stderr,
+            )
+            sys.exit(1)
+
+    from .tray import PYSTRAY_AVAILABLE, TrayManager
+
+    use_tray = PYSTRAY_AVAILABLE and not args.no_tray
+
+    if use_tray:
+        import asyncio
+        import threading
+
+        # Run uvicorn in a background thread so tray owns the main thread message loop
+        uv_config = uvicorn.Config(
+            "media_server.main:app",
+            host=args.host,
+            port=args.port,
+            log_level=settings.log_level.lower(),
+        )
+        server = uvicorn.Server(uv_config)
+
+        def run_server():
+            loop = asyncio.new_event_loop()
+            asyncio.set_event_loop(loop)
+            loop.run_until_complete(server.serve())
+
+        server_thread = threading.Thread(target=run_server, daemon=True)
+        server_thread.start()
+
+        # Tray on main thread (blocking)
+        tray = TrayManager(
+            port=args.port,
+            on_exit=lambda: setattr(server, "should_exit", True),
+        )
+        tray.run()
+
+        # Tray exited — wait for server to finish graceful shutdown
+        server_thread.join(timeout=10)
+
+        if tray.restart_requested:
+            import subprocess
+
+            # Always restart via `python -m media_server.main` — this works
+            # regardless of how we were originally started (console_script,
+            # python -m, or direct script invocation).
+            cmd = [sys.executable, "-m", "media_server.main"]
+
+            subprocess.Popen(
+                cmd,
+                cwd=Path.cwd(),
+                start_new_session=True,
+            )
+    else:
+        uvicorn.run(
+            "media_server.main:app",
+            host=args.host,
+            port=args.port,
+            reload=False,
+        )
 
 
 if __name__ == "__main__":

media_server/models/__init__.py

@@ -1,11 +1,11 @@
 """Pydantic models for the media server API."""
 
 from .media import (
+    MediaInfo,
     MediaState,
     MediaStatus,
-    VolumeRequest,
     SeekRequest,
-    MediaInfo,
+    VolumeRequest,
 )
 
 __all__ = [

media_server/routes/__init__.py

@@ -9,4 +9,13 @@ from .links import router as links_router
 from .media import router as media_router
 from .scripts import router as scripts_router
 
-__all__ = ["audio_router", "browser_router", "callbacks_router", "display_router", "health_router", "links_router", "media_router", "scripts_router"]
+__all__ = [
+    "audio_router",
+    "browser_router",
+    "callbacks_router",
+    "display_router",
+    "health_router",
+    "links_router",
+    "media_router",
+    "scripts_router",
+]

media_server/routes/browser.py

@@ -4,20 +4,19 @@ import asyncio
 import logging
 import tempfile
 from pathlib import Path
-from typing import Optional
 from urllib.parse import unquote
 
 from fastapi import APIRouter, Depends, HTTPException, Query, Response
-from fastapi.responses import FileResponse, StreamingResponse
+from fastapi.responses import FileResponse
 from pydantic import BaseModel, Field
 
 from ..auth import verify_token, verify_token_or_query
 from ..config import MediaFolderConfig, settings
 from ..config_manager import config_manager
+from ..services import get_media_controller
 from ..services.browser_service import BrowserService
 from ..services.metadata_service import MetadataService
 from ..services.thumbnail_service import ThumbnailService
-from ..services import get_media_controller
 from ..services.websocket_manager import ws_manager
 
 logger = logging.getLogger(__name__)
@@ -25,6 +24,15 @@ logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/api/browser", tags=["browser"])
 
 
+def _require_folder_management() -> None:
+    """Raise 403 if media folder management is disabled in config."""
+    if not settings.media_folders_management:
+        raise HTTPException(
+            status_code=403,
+            detail="Media folder management is disabled. Set media_folders_management: true in config.yaml to enable.",
+        )
+
+
 async def _broadcast_after_open(controller, label: str, max_wait: float = 2.0) -> None:
     """Poll until media session registers, then broadcast status update.
 
@@ -84,17 +92,22 @@ async def list_folders(_: str = Depends(verify_token)):
     """List all configured media folders.
 
     Returns:
-        Dictionary of folder configurations.
+        Dictionary with folder configurations and management flag.
     """
     folders = {}
     for folder_id, config in settings.media_folders.items():
+        folder_path = Path(config.path)
         folders[folder_id] = {
             "id": folder_id,
             "label": config.label,
             "path": config.path,
             "enabled": config.enabled,
+            "available": folder_path.is_dir(),
         }
-    return folders
+    return {
+        "folders": folders,
+        "management_enabled": settings.media_folders_management,
+    }
 
 
 @router.post("/folders/create")
@@ -113,6 +126,7 @@ async def create_folder(
     Raises:
         HTTPException: If folder already exists or validation fails.
     """
+    _require_folder_management()
     try:
         # Validate folder_id format (alphanumeric and underscore only)
         if not request.folder_id.replace("_", "").isalnum():
@@ -170,6 +184,7 @@ async def update_folder(
     Raises:
         HTTPException: If folder doesn't exist or validation fails.
     """
+    _require_folder_management()
     try:
         # Validate path exists
         path = Path(request.path)
@@ -218,6 +233,7 @@ async def delete_folder(
     Raises:
         HTTPException: If folder doesn't exist.
     """
+    _require_folder_management()
     try:
         config_manager.delete_media_folder(folder_id)
 
@@ -281,7 +297,7 @@ async def browse(
         logger.warning(f"Folder temporarily unavailable: {e}")
         raise HTTPException(
             status_code=503,
-            detail=f"Folder is temporarily unavailable. It may be a network share that is not accessible at the moment."
+            detail="Folder is temporarily unavailable. It may be a network share that is not accessible at the moment."
         )
     except Exception as e:
         logger.error(f"Error browsing directory (type: {type(e).__name__}): {e}")

media_server/routes/callbacks.py

@@ -2,7 +2,6 @@
 
 import asyncio
 import logging
-import re
 import subprocess
 import time
 from concurrent.futures import ThreadPoolExecutor
@@ -238,7 +237,10 @@ async def create_callback(
     if callback_name in settings.callbacks:
         raise HTTPException(
             status_code=status.HTTP_400_BAD_REQUEST,
-            detail=f"Callback '{callback_name}' already exists. Use PUT /api/callbacks/update/{callback_name} to update it.",
+            detail=(
+                f"Callback '{callback_name}' already exists."
+                f" Use PUT /api/callbacks/update/{callback_name} to update it."
+            ),
         )
 
     # Create callback config
@@ -283,7 +285,10 @@ async def update_callback(
     if callback_name not in settings.callbacks:
         raise HTTPException(
             status_code=status.HTTP_404_NOT_FOUND,
-            detail=f"Callback '{callback_name}' not found. Use POST /api/callbacks/create/{callback_name} to create it.",
+            detail=(
+                f"Callback '{callback_name}' not found."
+                f" Use POST /api/callbacks/create/{callback_name} to create it."
+            ),
         )
 
     # Create updated callback config

media_server/routes/display.py

@@ -7,7 +7,6 @@ from pydantic import BaseModel, Field
 
 from ..auth import verify_token
 from ..services.display_service import (
-    get_brightness,
     list_monitors,
     set_brightness,
     set_power,

media_server/routes/health.py

@@ -3,20 +3,33 @@
 import platform
 from typing import Any
 
-from fastapi import APIRouter
+from fastapi import APIRouter, Request
+
+from .. import __version__
+from ..auth import auth_enabled
+from ..config import settings
 
 router = APIRouter(prefix="/api", tags=["health"])
 
 
 @router.get("/health")
-async def health_check() -> dict[str, Any]:
+async def health_check(request: Request) -> dict[str, Any]:
     """Health check endpoint - no authentication required.
 
     Returns:
         Health status and server information
     """
-    return {
+    result: dict[str, Any] = {
         "status": "healthy",
         "platform": platform.system(),
-        "version": "1.0.0",
+        "version": __version__,
+        "auth_required": auth_enabled(),
+        "media_folders_management": settings.media_folders_management,
     }
+
+    # Include cached update info if available
+    checker = getattr(request.app.state, "update_checker", None)
+    if checker is not None and checker.cached_update is not None:
+        result["update_available"] = checker.cached_update
+
+    return result

media_server/routes/media.py

@@ -3,14 +3,13 @@
 import asyncio
 import logging
 
-from fastapi import APIRouter, Depends, HTTPException, Query, WebSocket, WebSocketDisconnect
-from fastapi import status
+from fastapi import APIRouter, Depends, HTTPException, Query, WebSocket, WebSocketDisconnect, status
 from fastapi.responses import Response
 
 from ..auth import verify_token, verify_token_or_query
 from ..config import settings
-from ..models import MediaStatus, VolumeRequest, SeekRequest
-from ..services import get_media_controller, get_current_album_art
+from ..models import MediaStatus, SeekRequest, VolumeRequest
+from ..services import get_current_album_art, get_media_controller
 from ..services.websocket_manager import ws_manager
 
 logger = logging.getLogger(__name__)
@@ -308,6 +307,12 @@ async def set_visualizer_device(
     # set_device() handles stop/start internally if capture was running
     success = analyzer.set_device(device_name)
 
+    # Persist selection to config.yaml so it survives server restarts
+    if success:
+        from ..config_manager import config_manager
+
+        config_manager.set_setting("visualizer_device", device_name)
+
     return {
         "success": success,
         "current_device": analyzer.current_device,
@@ -318,7 +323,7 @@ async def set_visualizer_device(
 @router.websocket("/ws")
 async def websocket_endpoint(
     websocket: WebSocket,
-    token: str = Query(..., description="API authentication token"),
+    token: str | None = Query(None, description="API authentication token"),
 ) -> None:
     """WebSocket endpoint for real-time media status updates.
 
@@ -335,15 +340,16 @@ async def websocket_endpoint(
     - {"type": "get_status"} - Request current status
     """
     # Verify token
-    from ..auth import get_token_label, token_label_var
+    from ..auth import auth_enabled, get_token_label, token_label_var
 
-    label = get_token_label(token) if token else None
-    if label is None:
-        await websocket.close(code=4001, reason="Invalid authentication token")
-        return
-
-    # Set label in context for logging
-    token_label_var.set(label)
+    if auth_enabled():
+        label = get_token_label(token) if token else None
+        if label is None:
+            await websocket.close(code=4001, reason="Invalid authentication token")
+            return
+        token_label_var.set(label)
+    else:
+        token_label_var.set("anonymous")
 
     await ws_manager.connect(websocket)
 

media_server/routes/scripts.py

@@ -12,7 +12,7 @@ from fastapi import APIRouter, Depends, HTTPException, status
 from pydantic import BaseModel, Field
 
 from ..auth import verify_token
-from ..config import ScriptConfig, settings
+from ..config import ScriptConfig, ScriptParameterConfig, settings
 from ..config_manager import config_manager
 from ..services.websocket_manager import ws_manager
 
@@ -24,9 +24,11 @@ logger = logging.getLogger(__name__)
 
 
 class ScriptExecuteRequest(BaseModel):
-    """Request model for script execution with optional arguments."""
+    """Request model for script execution with optional parameters."""
 
-    args: list[str] = Field(default_factory=list, description="Additional arguments")
+    params: dict[str, str | int | float | bool] = Field(
+        default_factory=dict, description="Named parameters (validated against script schema)"
+    )
 
 
 class ScriptExecuteResponse(BaseModel):
@@ -41,6 +43,18 @@ class ScriptExecuteResponse(BaseModel):
     execution_time: float | None = None
 
 
+class ScriptParameterInfo(BaseModel):
+    """Information about a script parameter."""
+
+    type: str
+    description: str = ""
+    required: bool = False
+    default: str | int | float | bool | None = None
+    min: float | None = None
+    max: float | None = None
+    options: list[str] | None = None
+
+
 class ScriptInfo(BaseModel):
     """Information about an available script."""
 
@@ -50,6 +64,7 @@ class ScriptInfo(BaseModel):
     description: str
     icon: str | None = None
     timeout: int
+    parameters: dict[str, ScriptParameterInfo] = Field(default_factory=dict)
 
 
 @router.get("/list")
@@ -67,11 +82,126 @@ async def list_scripts(_: str = Depends(verify_token)) -> list[ScriptInfo]:
             description=config.description,
             icon=config.icon,
             timeout=config.timeout,
+            parameters={
+                pname: ScriptParameterInfo(**pconfig.model_dump())
+                for pname, pconfig in config.parameters.items()
+            },
         )
         for name, config in settings.scripts.items()
     ]
 
 
+def _validate_params(
+    params: dict[str, str | int | float | bool],
+    param_defs: dict[str, ScriptParameterConfig],
+) -> dict[str, str]:
+    """Validate parameters against script schema and return env vars.
+
+    Args:
+        params: User-supplied parameter values.
+        param_defs: Parameter definitions from script config.
+
+    Returns:
+        Dict of environment variables (SCRIPT_PARAM_<NAME> -> str value).
+
+    Raises:
+        HTTPException: On validation failure.
+    """
+    # Reject unknown parameters
+    unknown = set(params.keys()) - set(param_defs.keys())
+    if unknown:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST,
+            detail=f"Unknown parameters: {', '.join(sorted(unknown))}",
+        )
+
+    env_vars: dict[str, str] = {}
+
+    for pname, pdef in param_defs.items():
+        value = params.get(pname)
+
+        # Apply default if missing
+        if value is None and pdef.default is not None:
+            value = pdef.default
+
+        # Check required
+        if value is None:
+            if pdef.required:
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Required parameter '{pname}' is missing",
+                )
+            continue
+
+        # Type validation and coercion
+        if pdef.type == "integer":
+            try:
+                value = int(value)
+            except (TypeError, ValueError):
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Parameter '{pname}' must be an integer, got: {value!r}",
+                )
+            if pdef.min is not None and value < pdef.min:
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Parameter '{pname}' must be >= {pdef.min}, got: {value}",
+                )
+            if pdef.max is not None and value > pdef.max:
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Parameter '{pname}' must be <= {pdef.max}, got: {value}",
+                )
+        elif pdef.type == "float":
+            try:
+                value = float(value)
+            except (TypeError, ValueError):
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Parameter '{pname}' must be a number, got: {value!r}",
+                )
+            if pdef.min is not None and value < pdef.min:
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Parameter '{pname}' must be >= {pdef.min}, got: {value}",
+                )
+            if pdef.max is not None and value > pdef.max:
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Parameter '{pname}' must be <= {pdef.max}, got: {value}",
+                )
+        elif pdef.type == "boolean":
+            if isinstance(value, str):
+                if value.lower() in ("true", "1", "yes"):
+                    value = True
+                elif value.lower() in ("false", "0", "no"):
+                    value = False
+                else:
+                    raise HTTPException(
+                        status_code=status.HTTP_400_BAD_REQUEST,
+                        detail=f"Parameter '{pname}' must be a boolean, got: {value!r}",
+                    )
+            elif not isinstance(value, bool):
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Parameter '{pname}' must be a boolean, got: {value!r}",
+                )
+        elif pdef.type == "select":
+            value = str(value)
+            if pdef.options and value not in pdef.options:
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Parameter '{pname}' must be one of {pdef.options}, got: {value!r}",
+                )
+        else:
+            # string — just convert to str
+            value = str(value)
+
+        env_vars[f"SCRIPT_PARAM_{pname.upper()}"] = str(value)
+
+    return env_vars
+
+
 @router.post("/execute/{script_name}")
 async def execute_script(
     script_name: str,
@@ -82,7 +212,7 @@ async def execute_script(
 
     Args:
         script_name: Name of the script to execute (must be defined in config)
-        request: Optional arguments to pass to the script
+        request: Optional parameters to pass to the script
 
     Returns:
         Execution result including stdout, stderr, and exit code
@@ -94,26 +224,24 @@ async def execute_script(
             detail=f"Script '{script_name}' not found. Use /api/scripts/list to see available scripts.",
         )
     script_config = settings.scripts[script_name]
-    args = request.args if request else []
+    params = request.params if request else {}
+
+    # Validate parameters and build env vars
+    extra_env = _validate_params(params, script_config.parameters)
 
     logger.info(f"Executing script: {script_name}")
 
     try:
-        # Build command
-        command = script_config.command
-        if args:
-            # Append arguments to command
-            command = f"{command} {' '.join(args)}"
-
         # Execute in dedicated thread pool to not block the default executor
         loop = asyncio.get_event_loop()
         result = await loop.run_in_executor(
             _script_executor,
             lambda: _run_script(
-                command=command,
+                command=script_config.command,
                 timeout=script_config.timeout,
                 shell=script_config.shell,
                 working_dir=script_config.working_dir,
+                extra_env=extra_env,
             ),
         )
 
@@ -140,6 +268,7 @@ def _run_script(
     timeout: int,
     shell: bool,
     working_dir: str | None,
+    extra_env: dict[str, str] | None = None,
 ) -> dict[str, Any]:
     """Run a script synchronously.
 
@@ -148,11 +277,16 @@ def _run_script(
         timeout: Timeout in seconds
         shell: Whether to run in shell
         working_dir: Working directory
+        extra_env: Additional environment variables (e.g. SCRIPT_PARAM_*)
 
     Returns:
         Dict with exit_code, stdout, stderr, execution_time
     """
     start_time = time.time()
+    env = None
+    if extra_env:
+        import os
+        env = {**os.environ, **extra_env}
     try:
         result = subprocess.run(
             command,
@@ -161,6 +295,7 @@ def _run_script(
             capture_output=True,
             text=True,
             timeout=timeout,
+            env=env,
         )
         execution_time = time.time() - start_time
         return {
@@ -190,6 +325,24 @@ def _run_script(
 # Script management endpoints
 
 
+class ScriptParameterCreateRequest(BaseModel):
+    """Request model for a script parameter definition."""
+
+    type: str = Field(
+        ..., description="Parameter type: string, integer, float, boolean, select"
+    )
+    description: str = Field(default="", description="Parameter description")
+    required: bool = Field(default=False, description="Whether the parameter is required")
+    default: str | int | float | bool | None = Field(
+        default=None, description="Default value if not provided"
+    )
+    min: float | None = Field(default=None, description="Minimum value (numeric types only)")
+    max: float | None = Field(default=None, description="Maximum value (numeric types only)")
+    options: list[str] | None = Field(
+        default=None, description="Allowed values (select type only)"
+    )
+
+
 class ScriptCreateRequest(BaseModel):
     """Request model for creating or updating a script."""
 
@@ -200,6 +353,60 @@ class ScriptCreateRequest(BaseModel):
     timeout: int = Field(default=30, description="Execution timeout in seconds", ge=1, le=300)
     working_dir: str | None = Field(default=None, description="Working directory")
     shell: bool = Field(default=True, description="Run command in shell")
+    parameters: dict[str, ScriptParameterCreateRequest] = Field(
+        default_factory=dict, description="Named parameters with type and validation rules"
+    )
+
+
+def _validate_parameter_definitions(
+    parameters: dict[str, ScriptParameterCreateRequest],
+) -> None:
+    """Validate parameter definitions are well-formed.
+
+    Args:
+        parameters: Parameter definitions to validate.
+
+    Raises:
+        HTTPException: If any definition is invalid.
+    """
+    valid_types = {"string", "integer", "float", "boolean", "select"}
+
+    for pname, pdef in parameters.items():
+        if not re.match(r"^[a-zA-Z][a-zA-Z0-9_]*$", pname):
+            raise HTTPException(
+                status_code=status.HTTP_400_BAD_REQUEST,
+                detail=(
+                    f"Parameter name '{pname}' must start with a letter"
+                    " and contain only alphanumeric characters and underscores"
+                ),
+            )
+
+        if pdef.type not in valid_types:
+            allowed = ", ".join(sorted(valid_types))
+            raise HTTPException(
+                status_code=status.HTTP_400_BAD_REQUEST,
+                detail=f"Parameter '{pname}' has invalid type '{pdef.type}'. Must be one of: {allowed}",
+            )
+
+        if pdef.type == "select":
+            if not pdef.options or len(pdef.options) == 0:
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Parameter '{pname}' of type 'select' must have a non-empty 'options' list",
+                )
+
+        if pdef.type not in ("integer", "float"):
+            if pdef.min is not None or pdef.max is not None:
+                raise HTTPException(
+                    status_code=status.HTTP_400_BAD_REQUEST,
+                    detail=f"Parameter '{pname}': 'min'/'max' are only valid for integer/float types",
+                )
+
+        if pdef.min is not None and pdef.max is not None and pdef.min > pdef.max:
+            raise HTTPException(
+                status_code=status.HTTP_400_BAD_REQUEST,
+                detail=f"Parameter '{pname}': 'min' ({pdef.min}) must be <= 'max' ({pdef.max})",
+            )
 
 
 def _validate_script_name(name: str) -> None:
@@ -258,8 +465,16 @@ async def create_script(
             detail=f"Script '{script_name}' already exists. Use PUT /api/scripts/update/{script_name} to update it.",
         )
 
-    # Create script config
-    script_config = ScriptConfig(**request.model_dump())
+    # Validate parameter definitions
+    _validate_parameter_definitions(request.parameters)
+
+    # Build ScriptConfig with ScriptParameterConfig instances
+    data = request.model_dump()
+    data["parameters"] = {
+        pname: ScriptParameterConfig(**pdef)
+        for pname, pdef in data.get("parameters", {}).items()
+    }
+    script_config = ScriptConfig(**data)
 
     # Add to config file and in-memory
     try:
@@ -306,8 +521,16 @@ async def update_script(
             detail=f"Script '{script_name}' not found. Use POST /api/scripts/create/{script_name} to create it.",
         )
 
-    # Create updated script config
-    script_config = ScriptConfig(**request.model_dump())
+    # Validate parameter definitions
+    _validate_parameter_definitions(request.parameters)
+
+    # Build ScriptConfig with ScriptParameterConfig instances
+    data = request.model_dump()
+    data["parameters"] = {
+        pname: ScriptParameterConfig(**pdef)
+        for pname, pdef in data.get("parameters", {}).items()
+    }
+    script_config = ScriptConfig(**data)
 
     # Update config file and in-memory
     try:

media_server/service/install_windows.py

@@ -13,15 +13,12 @@ Usage:
 
 import os
 import sys
-import socket
-import logging
 
 try:
-    import win32serviceutil
-    import win32service
-    import win32event
     import servicemanager
-    import win32api
+    import win32event
+    import win32service
+    import win32serviceutil
 
     WIN32_AVAILABLE = True
 except ImportError:
@@ -64,8 +61,9 @@ class MediaServerService:
     def main(self):
         """Main service loop."""
         import uvicorn
-        from media_server.main import app
+
         from media_server.config import settings
+        from media_server.main import app
 
         config = uvicorn.Config(
             app,
@@ -95,10 +93,9 @@ def install_service():
 
     try:
         # Get the path to the Python executable
-        python_exe = sys.executable
 
         # Get the path to this module
-        module_path = os.path.abspath(__file__)
+        os.path.abspath(__file__)
 
         win32serviceutil.InstallService(
             MediaServerService._svc_name_,

media_server/services/__init__.py

@@ -40,8 +40,8 @@ def get_media_controller() -> "MediaController":
     system = platform.system()
 
     if system == "Windows":
-        from .windows_media import WindowsMediaController
         from ..config import settings
+        from .windows_media import WindowsMediaController
 
         _controller_instance = WindowsMediaController(audio_device=settings.audio_device)
     elif system == "Linux":

media_server/services/android_media.py

@@ -10,11 +10,10 @@ Installation:
 4. Grant necessary permissions to Termux:API
 """
 
-import asyncio
 import json
 import logging
 import subprocess
-from typing import Optional, Any
+from typing import Any, Optional
 
 from ..models import MediaState, MediaStatus
 from .media_controller import MediaController

media_server/services/browser_service.py

@@ -1,12 +1,10 @@
 """Browser service for media file browsing and path validation."""
 
 import logging
-import os
 import stat as stat_module
 import time
 from datetime import datetime
 from pathlib import Path
-from typing import Optional
 
 from ..config import settings
 

media_server/services/display_service.py

@@ -6,7 +6,7 @@ import logging
 import platform
 import struct
 import time
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 
 logger = logging.getLogger(__name__)
 

media_server/services/gitea_release_provider.py

@@ -0,0 +1,77 @@
+"""Gitea release provider implementation."""
+
+import json
+import logging
+import urllib.error
+import urllib.request
+from typing import Optional
+
+from .release_provider import ReleaseInfo, ReleaseProvider
+
+logger = logging.getLogger(__name__)
+
+# Default repository coordinates
+_DEFAULT_BASE_URL = "https://git.dolgolyov-family.by"
+_DEFAULT_OWNER = "alexei.dolgolyov"
+_DEFAULT_REPO = "media-player-server"
+
+
+class GiteaReleaseProvider(ReleaseProvider):
+    """Fetches the latest release from a Gitea repository."""
+
+    def __init__(
+        self,
+        base_url: str = _DEFAULT_BASE_URL,
+        owner: str = _DEFAULT_OWNER,
+        repo: str = _DEFAULT_REPO,
+        timeout: float = 10.0,
+    ) -> None:
+        self._api_url = f"{base_url}/api/v1/repos/{owner}/{repo}/releases"
+        self._release_page_url = f"{base_url}/{owner}/{repo}/releases/tag"
+        self._timeout = timeout
+
+    async def get_latest_release(self) -> Optional[ReleaseInfo]:
+        """Fetch the latest stable release from Gitea API.
+
+        Returns:
+            ReleaseInfo for the latest non-prerelease, or None on failure.
+        """
+        import asyncio
+
+        try:
+            data = await asyncio.to_thread(self._fetch_releases)
+        except Exception as e:
+            logger.warning("Failed to check for updates: %s", e)
+            return None
+
+        if not data:
+            return None
+
+        # Find the first non-prerelease, non-draft release
+        for release in data:
+            if release.get("draft") or release.get("prerelease"):
+                continue
+
+            tag = release.get("tag_name", "")
+            version = tag.lstrip("v")
+            if not version:
+                continue
+
+            return ReleaseInfo(
+                version=version,
+                url=f"{self._release_page_url}/{tag}",
+                prerelease=False,
+            )
+
+        logger.debug("No stable releases found")
+        return None
+
+    def _fetch_releases(self) -> list[dict]:
+        """Synchronous HTTP fetch of releases (run in thread)."""
+        url = f"{self._api_url}?limit=5"
+        req = urllib.request.Request(url, headers={"Accept": "application/json"})
+        try:
+            with urllib.request.urlopen(req, timeout=self._timeout) as resp:
+                return json.loads(resp.read().decode())
+        except (urllib.error.URLError, urllib.error.HTTPError, json.JSONDecodeError, OSError) as e:
+            raise RuntimeError(f"Gitea API request failed: {e}") from e

media_server/services/linux_media.py

@@ -3,7 +3,7 @@
 import asyncio
 import logging
 import subprocess
-from typing import Optional, Any
+from typing import Any, Optional
 
 from ..models import MediaState, MediaStatus
 from .media_controller import MediaController

media_server/services/macos_media.py

@@ -3,7 +3,6 @@
 import asyncio
 import logging
 import subprocess
-import json
 from typing import Optional
 
 from ..models import MediaState, MediaStatus
@@ -203,11 +202,6 @@ class MacOSMediaController(MediaController):
     async def play(self) -> bool:
         """Resume playback using media key simulation."""
         # Use system media key
-        script = '''
-            tell application "System Events"
-                key code 16 using {command down, option down}
-            end tell
-        '''
         # Fallback: try specific app
         active_app = self._get_active_app()
         if active_app == "Spotify":

media_server/services/metadata_service.py

@@ -2,7 +2,6 @@
 
 import logging
 from pathlib import Path
-from typing import Optional
 
 logger = logging.getLogger(__name__)
 
@@ -21,7 +20,6 @@ class MetadataService:
             Dictionary with audio metadata.
         """
         try:
-            import mutagen
             from mutagen import File as MutagenFile
 
             audio = MutagenFile(str(file_path), easy=True)
@@ -68,7 +66,9 @@ class MetadataService:
                         metadata["album"] = tags["album"][0] if isinstance(tags["album"], list) else tags["album"]
 
                     if "albumartist" in tags:
-                        metadata["album_artist"] = tags["albumartist"][0] if isinstance(tags["albumartist"], list) else tags["albumartist"]
+                        metadata["album_artist"] = (
+                            tags["albumartist"][0] if isinstance(tags["albumartist"], list) else tags["albumartist"]
+                        )
 
                     if "date" in tags:
                         metadata["date"] = tags["date"][0] if isinstance(tags["date"], list) else tags["date"]
@@ -77,7 +77,9 @@ class MetadataService:
                         metadata["genre"] = tags["genre"][0] if isinstance(tags["genre"], list) else tags["genre"]
 
                     if "tracknumber" in tags:
-                        metadata["track_number"] = tags["tracknumber"][0] if isinstance(tags["tracknumber"], list) else tags["tracknumber"]
+                        metadata["track_number"] = (
+                            tags["tracknumber"][0] if isinstance(tags["tracknumber"], list) else tags["tracknumber"]
+                        )
 
                 # If no title tag, use filename
                 if "title" not in metadata:
@@ -110,7 +112,6 @@ class MetadataService:
             Dictionary with video metadata.
         """
         try:
-            import mutagen
             from mutagen import File as MutagenFile
 
             video = MutagenFile(str(file_path))

media_server/services/release_provider.py

@@ -0,0 +1,29 @@
+"""Abstract release provider interface for version checking."""
+
+from dataclasses import dataclass
+from typing import Protocol
+
+
+@dataclass(frozen=True)
+class ReleaseInfo:
+    """Version-provider-agnostic release metadata."""
+
+    version: str  # e.g. "1.1.0" (no "v" prefix)
+    url: str  # release page URL
+    prerelease: bool
+
+
+class ReleaseProvider(Protocol):
+    """Abstract interface for fetching the latest release.
+
+    Implement this protocol to support different hosting platforms
+    (Gitea, GitHub, GitLab, etc.).
+    """
+
+    async def get_latest_release(self) -> ReleaseInfo | None:
+        """Fetch the latest stable release.
+
+        Returns:
+            ReleaseInfo if a release was found, None on failure.
+        """
+        ...

media_server/services/thumbnail_service.py

@@ -3,9 +3,7 @@
 import asyncio
 import hashlib
 import logging
-import os
 import shutil
-import subprocess
 from pathlib import Path
 from typing import Optional
 
@@ -151,10 +149,10 @@ class ThumbnailService:
             Thumbnail bytes (JPEG) or None if no album art.
         """
         try:
-            import mutagen
+            from io import BytesIO
+
             from mutagen import File as MutagenFile
             from PIL import Image
-            from io import BytesIO
 
             audio = MutagenFile(str(file_path))
             if audio is None:
@@ -232,9 +230,10 @@ class ThumbnailService:
             Thumbnail bytes (JPEG) or None if ffmpeg not available.
         """
         try:
-            from PIL import Image
             from io import BytesIO
 
+            from PIL import Image
+
             # Check if ffmpeg is available
             if not shutil.which("ffmpeg"):
                 logger.debug("ffmpeg not available, cannot generate video thumbnail")
@@ -247,7 +246,11 @@ class ThumbnailService:
             cmd = [
                 "ffmpeg",
                 "-i", str(file_path),
-                "-vf", f"thumbnail,scale={target_size[0]}:{target_size[1]}:force_original_aspect_ratio=increase,crop={target_size[0]}:{target_size[1]}",
+                "-vf", (
+                    f"thumbnail,scale={target_size[0]}:{target_size[1]}"
+                    f":force_original_aspect_ratio=increase"
+                    f",crop={target_size[0]}:{target_size[1]}"
+                ),
                 "-frames:v", "1",
                 "-f", "image2pipe",
                 "-vcodec", "mjpeg",

media_server/services/update_checker.py

@@ -0,0 +1,169 @@
+"""Provider-agnostic update checker service."""
+
+import asyncio
+import logging
+import re
+from functools import total_ordering
+from typing import Any, Optional
+
+from .release_provider import ReleaseProvider
+from .websocket_manager import ws_manager
+
+logger = logging.getLogger(__name__)
+
+_PRE_PATTERN = re.compile(
+    r"^(\d+\.\d+\.\d+)[-.]?(alpha|beta|rc)[.-]?(\d+)$", re.IGNORECASE
+)
+_PRE_ORDER = {"alpha": 0, "beta": 1, "rc": 2}
+
+
+@total_ordering
+class _Version:
+    """Lightweight PEP 440-ish version for comparison without packaging dep.
+
+    Supports: X.Y.Z and X.Y.Z-{alpha,beta,rc}.N
+    Pre-releases sort before the corresponding stable release.
+    """
+
+    __slots__ = ("_release", "_pre")
+
+    def __init__(self, release: tuple[int, ...], pre: Optional[tuple[int, int]]) -> None:
+        self._release = release
+        self._pre = pre
+
+    def __eq__(self, other: object) -> bool:
+        if not isinstance(other, _Version):
+            return NotImplemented
+        return self._release == other._release and self._pre == other._pre
+
+    def __lt__(self, other: object) -> bool:
+        if not isinstance(other, _Version):
+            return NotImplemented
+        if self._release != other._release:
+            return self._release < other._release
+        # No pre-release (stable) is greater than any pre-release
+        if self._pre is None and other._pre is None:
+            return False
+        if self._pre is not None and other._pre is None:
+            return True
+        if self._pre is None and other._pre is not None:
+            return False
+        return self._pre < other._pre  # type: ignore[operator]
+
+    def __repr__(self) -> str:
+        v = ".".join(str(p) for p in self._release)
+        if self._pre is not None:
+            labels = {0: "alpha", 1: "beta", 2: "rc"}
+            v += f"-{labels[self._pre[0]]}.{self._pre[1]}"
+        return f"_Version('{v}')"
+
+
+def _parse_version(raw: str) -> _Version:
+    """Parse a version tag for comparison.
+
+    Examples:
+        v0.3.0-alpha.1 → (0,3,0) pre=(0,1)  (sorts below 0.3.0)
+        v0.3.0-rc.3    → (0,3,0) pre=(2,3)
+        v1.0.0         → (1,0,0) pre=None
+    """
+    cleaned = raw.lstrip("v").strip()
+    m = _PRE_PATTERN.match(cleaned)
+    if m:
+        base = tuple(int(x) for x in m.group(1).split("."))
+        pre_label = m.group(2).lower()
+        pre_num = int(m.group(3))
+        return _Version(base, (_PRE_ORDER[pre_label], pre_num))
+    release = tuple(int(x) for x in cleaned.split("."))
+    return _Version(release, None)
+
+
+class UpdateChecker:
+    """Periodically checks for new releases using a ReleaseProvider."""
+
+    def __init__(self, provider: ReleaseProvider, current_version: str) -> None:
+        self._provider = provider
+        self._current_version = current_version
+        self._current_parsed = _parse_version(current_version)
+        self._task: Optional[asyncio.Task] = None
+        self._cached_update: Optional[dict[str, Any]] = None
+
+    @property
+    def cached_update(self) -> Optional[dict[str, Any]]:
+        """Return the cached update info, or None if up-to-date."""
+        return self._cached_update
+
+    async def check_for_update(self) -> Optional[dict[str, Any]]:
+        """Check for a newer release.
+
+        Returns:
+            Dict with current/latest/url if an update exists, None otherwise.
+        """
+        release = await self._provider.get_latest_release()
+        if release is None:
+            return None
+
+        latest_parsed = _parse_version(release.version)
+        if latest_parsed <= self._current_parsed:
+            return None
+
+        return {
+            "current": self._current_version,
+            "latest": release.version,
+            "url": release.url,
+        }
+
+    async def start(self, interval: int) -> None:
+        """Start periodic update checking.
+
+        Checks immediately on start, then every `interval` seconds.
+        """
+        if self._task is not None:
+            return
+
+        self._task = asyncio.create_task(self._check_loop(interval))
+        logger.info("Update checker started (interval: %ds)", interval)
+
+    async def stop(self) -> None:
+        """Stop periodic update checking."""
+        if self._task is not None:
+            self._task.cancel()
+            try:
+                await self._task
+            except asyncio.CancelledError:
+                pass
+            self._task = None
+            logger.info("Update checker stopped")
+
+    async def _check_loop(self, interval: int) -> None:
+        """Background loop that checks for updates periodically."""
+        # Initial check with a small delay to let the server finish starting
+        await asyncio.sleep(5)
+
+        while True:
+            try:
+                update = await self.check_for_update()
+
+                if update and update != self._cached_update:
+                    self._cached_update = update
+                    logger.info(
+                        "New version available: %s → %s (%s)",
+                        update["current"],
+                        update["latest"],
+                        update["url"],
+                    )
+                    await ws_manager.broadcast(
+                        {"type": "update_available", "data": update}
+                    )
+                elif update is None and self._cached_update is not None:
+                    # Version was updated (or release removed) — clear cache
+                    self._cached_update = None
+
+            except asyncio.CancelledError:
+                break
+            except Exception as e:
+                logger.warning("Update check failed: %s", e)
+
+            try:
+                await asyncio.sleep(interval)
+            except asyncio.CancelledError:
+                break

media_server/services/websocket_manager.py

@@ -19,6 +19,7 @@ class ConnectionManager:
         self._active_connections: set[WebSocket] = set()
         self._lock = asyncio.Lock()
         self._last_status: dict[str, Any] | None = None
+        self._get_status_func: Callable[[], Coroutine[Any, Any, Any]] | None = None
         self._broadcast_task: asyncio.Task | None = None
         self._poll_interval: float = 0.5  # Internal poll interval for change detection
         self._position_broadcast_interval: float = 5.0  # Send position updates every 5s during playback
@@ -39,9 +40,17 @@ class ConnectionManager:
         )
 
         # Send current status immediately upon connection
-        if self._last_status:
+        status = self._last_status
+        if not status and self._get_status_func:
             try:
-                await websocket.send_json({"type": "status", "data": self._last_status})
+                result = await self._get_status_func()
+                status = result.model_dump()
+                self._last_status = status
+            except Exception as e:
+                logger.debug("Failed to fetch initial status: %s", e)
+        if status:
+            try:
+                await websocket.send_json({"type": "status", "data": status})
             except Exception as e:
                 logger.debug("Failed to send initial status: %s", e)
 
@@ -251,6 +260,7 @@ class ConnectionManager:
         if self._running:
             return
 
+        self._get_status_func = get_status_func
         self._running = True
         self._broadcast_task = asyncio.create_task(
             self._status_monitor_loop(get_status_func)

media_server/services/windows_media.py

@@ -5,7 +5,7 @@ import logging
 import threading
 import time as _time
 from concurrent.futures import ThreadPoolExecutor
-from typing import Optional, Any
+from typing import Any
 
 from ..models import MediaState, MediaStatus
 from .media_controller import MediaController
@@ -47,6 +47,8 @@ def get_current_album_art() -> bytes | None:
 try:
     from winsdk.windows.media.control import (
         GlobalSystemMediaTransportControlsSessionManager as MediaManager,
+    )
+    from winsdk.windows.media.control import (
         GlobalSystemMediaTransportControlsSessionPlaybackStatus as PlaybackStatus,
     )
 
@@ -61,11 +63,11 @@ _volume_control = None
 _configured_device_name: str | None = None
 
 try:
-    from ctypes import cast, POINTER
-    from comtypes import CLSCTX_ALL, CoInitialize, CoUninitialize
-    from pycaw.pycaw import AudioUtilities, IAudioEndpointVolume
-
     import warnings
+    from ctypes import POINTER, cast
+
+    from comtypes import CLSCTX_ALL
+    from pycaw.pycaw import AudioUtilities, IAudioEndpointVolume
     # Suppress pycaw warnings about missing device properties
     warnings.filterwarnings("ignore", category=UserWarning, module="pycaw")
 
@@ -240,13 +242,18 @@ def _sync_get_media_status() -> dict[str, Any]:
                                     _track_skip_pending["stale_pos"] = -999  # Reset stale position tracking
                                     skip_just_completed = True
                                     # Reset position cache for new track
-                                    new_track_id = f"{current_title}:{result.get('artist', '')}:{result.get('duration', 0)}"
+                                    new_track_id = (
+                                        f"{current_title}:{result.get('artist', '')}:{result.get('duration', 0)}"
+                                    )
                                     _position_cache["track_id"] = new_track_id
                                     _position_cache["base_position"] = 0.0
                                     _position_cache["base_time"] = current_time
                                     _position_cache["last_smtc_pos"] = -999  # Force fresh start
                                     _position_cache["is_playing"] = is_playing
-                                    logger.debug(f"Track skip complete, new title: {current_title}, grace until: {_track_skip_pending['grace_until']}")
+                                    logger.debug(
+                                        f"Track skip complete, new title: {current_title},"
+                                        f" grace until: {_track_skip_pending['grace_until']}"
+                                    )
                                 elif current_time - _track_skip_pending["skip_time"] > 5.0:
                                     # Timeout after 5 seconds
                                     _track_skip_pending["active"] = False
@@ -298,7 +305,10 @@ def _sync_get_media_status() -> dict[str, Any]:
                                     pos = smtc_pos
                                     _track_skip_pending["grace_until"] = 0
                                     _track_skip_pending["stale_pos"] = -999
-                                    logger.debug(f"Grace period: accepting SMTC pos {smtc_pos} (low={smtc_pos < 10}, changed={smtc_changed})")
+                                    logger.debug(
+                                        f"Grace period: accepting SMTC pos {smtc_pos}"
+                                        f" (low={smtc_pos < 10}, changed={smtc_changed})"
+                                    )
                                 else:
                                     # SMTC is stale - keep interpolating
                                     pos = interpolated_pos
@@ -307,7 +317,10 @@ def _sync_get_media_status() -> dict[str, Any]:
                                         _track_skip_pending["stale_pos"] = smtc_pos
                                     # Keep grace period active indefinitely while SMTC is stale
                                     _track_skip_pending["grace_until"] = current_time + 300.0
-                                    logger.debug(f"Grace period: SMTC stale ({smtc_pos}), using interpolated {interpolated_pos}")
+                                    logger.debug(
+                                        f"Grace period: SMTC stale ({smtc_pos}),"
+                                        f" using interpolated {interpolated_pos}"
+                                    )
                             else:
                                 # Normal position tracking
                                 # Create track ID from title + artist + duration
@@ -335,7 +348,9 @@ def _sync_get_media_status() -> dict[str, Any]:
 
                                 # Update playing state
                                 if _position_cache.get("is_playing") != is_playing:
-                                    _position_cache["base_position"] = pos if is_playing else _position_cache.get("base_position", smtc_pos)
+                                    _position_cache["base_position"] = (
+                                        pos if is_playing else _position_cache.get("base_position", smtc_pos)
+                                    )
                                     _position_cache["base_time"] = current_time
                                     _position_cache["is_playing"] = is_playing
 

media_server/static/index.html

@@ -57,6 +57,9 @@
         </div>
     </div>
 
+    <!-- Dynamic Background -->
+    <canvas id="bg-shader-canvas" class="bg-shader-canvas"></canvas>
+
     <!-- Auth Modal -->
     <div id="auth-overlay" class="hidden">
         <div class="auth-modal">
@@ -80,12 +83,18 @@
             </div>
             <div class="header-toolbar">
                 <div id="headerLinks" class="header-links"></div>
+                <a class="header-btn" href="/docs" target="_blank" title="API Documentation" aria-label="API Documentation">
+                    <svg viewBox="0 0 24 24"><path fill="currentColor" d="M14 2H6c-1.1 0-2 .9-2 2v16c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V8l-6-6zm-1 2l5 5h-5V4zM6 20V4h5v7h7v9H6zm2-4h8v2H8v-2zm0-3h8v2H8v-2z"/></svg>
+                </a>
                 <div class="accent-picker">
                     <button class="header-btn" onclick="toggleAccentPicker()" title="Accent color" aria-label="Accent color">
                         <span class="accent-dot" id="accentDot"></span>
                     </button>
                     <div class="accent-picker-dropdown" id="accentDropdown"></div>
                 </div>
+                <button class="header-btn" onclick="toggleDynamicBackground()" data-i18n-title="player.background" title="Dynamic background" aria-label="Dynamic background" id="bgToggle">
+                    <svg viewBox="0 0 24 24"><path fill="currentColor" d="M12 3v10.55A4 4 0 1 0 14 17V7h4V3h-6z"/></svg>
+                </button>
                 <button class="header-btn" onclick="toggleTheme()" data-i18n-title="player.theme" title="Toggle theme" aria-label="Toggle theme" id="theme-toggle">
                     <svg id="theme-icon-sun" viewBox="0 0 24 24" style="display: none;">
                         <path d="M12 7c-2.76 0-5 2.24-5 5s2.24 5 5 5 5-2.24 5-5-2.24-5-5-5zM2 13h2c.55 0 1-.45 1-1s-.45-1-1-1H2c-.55 0-1 .45-1 1s.45 1 1 1zm18 0h2c.55 0 1-.45 1-1s-.45-1-1-1h-2c-.55 0-1 .45-1 1s.45 1 1 1zM11 2v2c0 .55.45 1 1 1s1-.45 1-1V2c0-.55-.45-1-1-1s-1 .45-1 1zm0 18v2c0 .55.45 1 1 1s1-.45 1-1v-2c0-.55-.45-1-1-1s-1 .45-1 1zM5.99 4.58c-.39-.39-1.03-.39-1.41 0-.39.39-.39 1.03 0 1.41l1.06 1.06c.39.39 1.03.39 1.41 0s.39-1.03 0-1.41L5.99 4.58zm12.37 12.37c-.39-.39-1.03-.39-1.41 0-.39.39-.39 1.03 0 1.41l1.06 1.06c.39.39 1.03.39 1.41 0 .39-.39.39-1.03 0-1.41l-1.06-1.06zm1.06-10.96c.39-.39.39-1.03 0-1.41-.39-.39-1.03-.39-1.41 0l-1.06 1.06c-.39.39-.39 1.03 0 1.41s1.03.39 1.41 0l1.06-1.06zM7.05 18.36c.39-.39.39-1.03 0-1.41-.39-.39-1.03-.39-1.41 0l-1.06 1.06c-.39.39-.39 1.03 0 1.41s1.03.39 1.41 0l1.06-1.06z"/>
@@ -105,6 +114,13 @@
             </div>
         </header>
 
+        <!-- Update Banner -->
+        <div class="update-banner hidden" id="updateBanner">
+            <span id="updateBannerText"></span>
+            <a id="updateBannerLink" href="#" target="_blank" rel="noopener noreferrer" data-i18n="update.view_release">View Release</a>
+            <button class="update-banner-close" id="updateBannerClose">&times;</button>
+        </div>
+
         <!-- Connection Banner -->
         <div class="connection-banner hidden" id="connectionBanner">
             <span id="connectionBannerText"></span>
@@ -274,6 +290,7 @@
                     <span id="pageTotal">/ 1</span>
                 </div>
                 <button id="nextPage" onclick="nextPage()" data-i18n="browser.next">Next</button>
+                <span class="pagination-showing" id="paginationShowing"></span>
             </div>
         </div>
 
@@ -307,6 +324,39 @@
                 </div>
             </details>
 
+            <details class="settings-section" open id="mediaFoldersSection" style="display: none;">
+                <summary data-i18n="settings.section.media_folders">Media Folders</summary>
+                <div class="settings-section-content">
+                    <p class="settings-section-description" data-i18n="browser.folders_description">
+                        Media folders available for browsing. Folders on network shares show availability status.
+                    </p>
+                    <table class="scripts-table">
+                        <thead>
+                            <tr>
+                                <th data-i18n="browser.folders_table.id">ID</th>
+                                <th data-i18n="browser.folders_table.label">Label</th>
+                                <th data-i18n="browser.folders_table.path">Path</th>
+                                <th data-i18n="browser.folders_table.status">Status</th>
+                                <th data-i18n="browser.folders_table.actions">Actions</th>
+                            </tr>
+                        </thead>
+                        <tbody id="foldersTableBody">
+                            <tr>
+                                <td colspan="5" class="empty-state">
+                                    <div class="empty-state-illustration">
+                                        <svg viewBox="0 0 64 64"><path d="M8 16h20l4-6h20a4 4 0 014 4v36a4 4 0 01-4 4H8a4 4 0 01-4-4V20a4 4 0 014-4z"/><path d="M4 24h56" stroke-dasharray="4 3" opacity="0.4"/></svg>
+                                        <p data-i18n="browser.folders_empty">No media folders configured. Click "+" to add one.</p>
+                                    </div>
+                                </td>
+                            </tr>
+                        </tbody>
+                    </table>
+                    <div class="add-card" onclick="showAddFolderDialog()">
+                        <span class="add-card-icon">+</span>
+                    </div>
+                </div>
+            </details>
+
             <details class="settings-section" open>
                 <summary data-i18n="settings.section.scripts">Scripts</summary>
                 <div class="settings-section-content">
@@ -456,6 +506,14 @@
                     <span data-i18n="scripts.field.timeout">Timeout (seconds)</span>
                     <input type="number" id="scriptTimeout" value="30" min="1" max="300">
                 </label>
+
+                <div class="params-section">
+                    <div class="params-header">
+                        <span data-i18n="scripts.field.parameters">Parameters</span>
+                        <button type="button" class="btn-small" onclick="addParameterRow()" data-i18n="scripts.params.add">+ Add</button>
+                    </div>
+                    <div id="scriptParamsContainer"></div>
+                </div>
             </div>
             <div class="dialog-footer">
                 <button type="button" class="btn-secondary" onclick="closeScriptDialog()" data-i18n="scripts.button.cancel">Cancel</button>
@@ -464,6 +522,22 @@
         </form>
     </dialog>
 
+    <!-- Script Parameters Input Dialog (shown before executing scripts with params) -->
+    <dialog id="scriptParamsDialog">
+        <div class="dialog-header">
+            <h3 id="scriptParamsDialogTitle">Execute Script</h3>
+        </div>
+        <form id="scriptParamsForm" onsubmit="submitScriptWithParams(event)">
+            <div class="dialog-body">
+                <div id="scriptParamsInputs"></div>
+            </div>
+            <div class="dialog-footer">
+                <button type="button" class="btn-secondary" onclick="closeScriptParamsDialog()" data-i18n="scripts.button.cancel">Cancel</button>
+                <button type="submit" class="btn-primary" data-i18n="scripts.params.execute">Execute</button>
+            </div>
+        </form>
+    </dialog>
+
     <!-- Add/Edit Callback Dialog -->
     <dialog id="callbackDialog">
         <div class="dialog-header">
@@ -645,13 +719,6 @@
         </div>
     </footer>
 
-    <script src="/static/js/core.js"></script>
-    <script src="/static/js/player.js"></script>
-    <script src="/static/js/websocket.js"></script>
-    <script src="/static/js/scripts.js"></script>
-    <script src="/static/js/callbacks.js"></script>
-    <script src="/static/js/browser.js"></script>
-    <script src="/static/js/links.js"></script>
-    <script src="/static/js/main.js"></script>
+    <script src="/static/dist/app.bundle.js"></script>
 </body>
 </html>

media_server/static/js/app.js

@@ -1,7 +1,155 @@
 // ============================================================
-// Main: Initialization orchestrator (loaded last)
+// App: Entry point — imports all modules, registers window globals,
+// and orchestrates initialization (replaces main.js)
 // ============================================================
 
+// Layer 0: Core state & utilities
+import {
+    cacheDom, dom, registerUpdateCallbacks,
+    initLocale, fetchVersion, formatTime, setupIconPreview,
+    isUserAdjustingVolume, setIsUserAdjustingVolume,
+    volumeUpdateTimer, setVolumeUpdateTimer,
+    currentDuration, currentPosition, setVolume, seek,
+    togglePlayPause, nextTrack, previousTrack, toggleMute,
+    VOLUME_THROTTLE_MS, VOLUME_RELEASE_DELAY_MS,
+    changeLocale, t,
+    setAuthRequired,
+} from './core.js';
+
+// Layer 1: Player (tabs, theme, accent, vinyl, visualizer, UI)
+import {
+    activeTab, switchTab, updateTabIndicator, setMiniPlayerVisible,
+    initTheme, toggleTheme, initAccentColor, applyAccentColor,
+    renderAccentSwatches, selectAccentColor, toggleAccentPicker, lightenColor,
+    toggleVinylMode, applyVinylMode,
+    visualizerEnabled, visualizerAvailable,
+    checkVisualizerAvailability, toggleVisualizer, applyVisualizerMode,
+    loadAudioDevices, onAudioDeviceChanged,
+    setupProgressDrag, updateUI, updatePlaybackState, stopPositionInterpolation,
+} from './player.js';
+
+// Layer 2: WebSocket
+import {
+    connectWebSocket, showAuthForm, authenticate, clearToken,
+    manualReconnect, updateConnectionStatus,
+} from './websocket.js';
+
+// Layer 3: Features
+import {
+    loadScripts, loadScriptsTable, displayQuickAccess,
+    showAddScriptDialog, showEditScriptDialog, closeScriptDialog, saveScript,
+    deleteScriptConfirm, executeScriptDebug, executeCallbackDebug,
+    closeExecutionDialog, scriptFormDirty, setScriptFormDirty,
+    addParameterRow, closeScriptParamsDialog, submitScriptWithParams,
+} from './scripts.js';
+
+import {
+    loadCallbacksTable,
+    showAddCallbackDialog, showEditCallbackDialog, closeCallbackDialog,
+    saveCallback, deleteCallbackConfirm,
+    callbackFormDirty, setCallbackFormDirty,
+} from './callbacks.js';
+
+import {
+    loadMediaFolders, initBrowserToolbar, thumbnailCache,
+    setViewMode, refreshBrowser, playAllFolder,
+    previousPage, nextPage, goToPage,
+    onBrowserSearch, clearBrowserSearch, onItemsPerPageChanged,
+    downloadFile, closeFolderDialog, saveFolder,
+    showManageFoldersDialog,
+    showAddFolderDialog, showEditFolderDialog, deleteFolderConfirm,
+} from './browser.js';
+
+import {
+    loadDisplayMonitors, onDisplayBrightnessInput, onDisplayBrightnessChange,
+    toggleDisplayPower, loadHeaderLinks, loadLinksTable,
+    showAddLinkDialog, showEditLinkDialog, closeLinkDialog, saveLink, deleteLinkConfirm,
+    linkFormDirty, setLinkFormDirty,
+} from './links.js';
+
+import {
+    toggleDynamicBackground, applyDynamicBackground, updateBackgroundColors,
+} from './background.js';
+
+// ============================================================
+// Register late-bound callbacks for core's updateAllText()
+// ============================================================
+
+registerUpdateCallbacks({
+    updatePlaybackState,
+    updateConnectionStatus,
+    loadScriptsTable,
+    loadCallbacksTable,
+    loadLinksTable,
+    displayQuickAccess,
+    renderAccentSwatches,
+});
+
+// ============================================================
+// Register all functions on window for HTML onclick handlers
+// ============================================================
+
+Object.assign(window, {
+    // Player controls
+    togglePlayPause, nextTrack, previousTrack, toggleMute, seek,
+    // Tabs
+    switchTab,
+    // Theme & accent
+    toggleTheme, toggleAccentPicker, selectAccentColor, lightenColor,
+    // Vinyl & visualizer
+    toggleVinylMode, toggleVisualizer,
+    // Background
+    toggleDynamicBackground,
+    // Auth
+    authenticate, clearToken, manualReconnect,
+    // Locale
+    changeLocale,
+    // Scripts
+    showAddScriptDialog, showEditScriptDialog, closeScriptDialog, saveScript,
+    deleteScriptConfirm, executeScriptDebug, executeCallbackDebug,
+    closeExecutionDialog,
+    addParameterRow, closeScriptParamsDialog, submitScriptWithParams,
+    // Callbacks
+    showAddCallbackDialog, showEditCallbackDialog, closeCallbackDialog,
+    saveCallback, deleteCallbackConfirm,
+    // Browser
+    setViewMode, refreshBrowser, playAllFolder,
+    previousPage, nextPage, goToPage,
+    onBrowserSearch, clearBrowserSearch, onItemsPerPageChanged,
+    downloadFile, closeFolderDialog, saveFolder,
+    showManageFoldersDialog,
+    showAddFolderDialog, showEditFolderDialog, deleteFolderConfirm,
+    // Links
+    showAddLinkDialog, showEditLinkDialog, closeLinkDialog,
+    saveLink, deleteLinkConfirm,
+    // Display
+    loadDisplayMonitors, onDisplayBrightnessInput, onDisplayBrightnessChange,
+    toggleDisplayPower,
+    // Audio device
+    onAudioDeviceChanged,
+});
+
+// ============================================================
+// Initialization (DOMContentLoaded)
+// ============================================================
+
+// Prevent <dialog>.showModal() from auto-focusing the first input field.
+// On touch devices this pops up the on-screen keyboard, which is confusing
+// when the user just opened a dialog. Force focus onto the dialog itself.
+const _origShowModal = HTMLDialogElement.prototype.showModal;
+HTMLDialogElement.prototype.showModal = function (...args) {
+    if (!this.hasAttribute('tabindex')) {
+        this.setAttribute('tabindex', '-1');
+    }
+    const result = _origShowModal.apply(this, args);
+    const active = document.activeElement;
+    if (active && active !== this && this.contains(active)) {
+        active.blur();
+        this.focus({ preventScroll: true });
+    }
+    return result;
+};
+
 window.addEventListener('DOMContentLoaded', async () => {
     // Cache DOM references
     cacheDom();
@@ -25,14 +173,34 @@ window.addEventListener('DOMContentLoaded', async () => {
         }
     });
 
+    // Initialize dynamic background
+    applyDynamicBackground();
+
     // Initialize locale (async - loads JSON file)
     await initLocale();
 
     // Load version from health endpoint
     fetchVersion();
 
+    // Check if authentication is required
+    let authReq = true;
+    try {
+        const healthResp = await fetch('/api/health');
+        const healthData = await healthResp.json();
+        authReq = healthData.auth_required !== false;
+    } catch { /* assume auth required on error */ }
+    setAuthRequired(authReq);
+
     const token = localStorage.getItem('media_server_token');
-    if (token) {
+    if (!authReq) {
+        // No auth required — connect directly without token
+        connectWebSocket('');
+        loadScripts();
+        loadScriptsTable();
+        loadCallbacksTable();
+        loadLinksTable();
+        loadAudioDevices();
+    } else if (token) {
         connectWebSocket(token);
         loadScripts();
         loadScriptsTable();
@@ -47,7 +215,7 @@ window.addEventListener('DOMContentLoaded', async () => {
     function setupVolumeSlider(sliderId) {
         const slider = document.getElementById(sliderId);
         slider.addEventListener('input', (e) => {
-            isUserAdjustingVolume = true;
+            setIsUserAdjustingVolume(true);
             const volume = parseInt(e.target.value);
             // Sync both sliders and displays
             dom.volumeDisplay.textContent = `${volume}%`;
@@ -56,20 +224,20 @@ window.addEventListener('DOMContentLoaded', async () => {
             dom.miniVolumeSlider.value = volume;
 
             if (volumeUpdateTimer) clearTimeout(volumeUpdateTimer);
-            volumeUpdateTimer = setTimeout(() => {
+            setVolumeUpdateTimer(setTimeout(() => {
                 setVolume(volume);
-                volumeUpdateTimer = null;
-            }, VOLUME_THROTTLE_MS);
+                setVolumeUpdateTimer(null);
+            }, VOLUME_THROTTLE_MS));
         });
 
         slider.addEventListener('change', (e) => {
             if (volumeUpdateTimer) {
                 clearTimeout(volumeUpdateTimer);
-                volumeUpdateTimer = null;
+                setVolumeUpdateTimer(null);
             }
             const volume = parseInt(e.target.value);
             setVolume(volume);
-            setTimeout(() => { isUserAdjustingVolume = false; }, VOLUME_RELEASE_DELAY_MS);
+            setTimeout(() => { setIsUserAdjustingVolume(false); }, VOLUME_RELEASE_DELAY_MS);
         });
     }
 
@@ -121,25 +289,24 @@ window.addEventListener('DOMContentLoaded', async () => {
     // Script form dirty state tracking
     const scriptForm = document.getElementById('scriptForm');
     scriptForm.addEventListener('input', () => {
-        scriptFormDirty = true;
+        setScriptFormDirty(true);
     });
     scriptForm.addEventListener('change', () => {
-        scriptFormDirty = true;
+        setScriptFormDirty(true);
     });
 
     // Callback form dirty state tracking
     const callbackForm = document.getElementById('callbackForm');
     callbackForm.addEventListener('input', () => {
-        callbackFormDirty = true;
+        setCallbackFormDirty(true);
     });
     callbackForm.addEventListener('change', () => {
-        callbackFormDirty = true;
+        setCallbackFormDirty(true);
     });
 
     // Script dialog backdrop click to close
     const scriptDialog = document.getElementById('scriptDialog');
     scriptDialog.addEventListener('click', (e) => {
-        // Check if click is on the backdrop (not the dialog content)
         if (e.target === scriptDialog) {
             closeScriptDialog();
         }
@@ -148,7 +315,6 @@ window.addEventListener('DOMContentLoaded', async () => {
     // Callback dialog backdrop click to close
     const callbackDialog = document.getElementById('callbackDialog');
     callbackDialog.addEventListener('click', (e) => {
-        // Check if click is on the backdrop (not the dialog content)
         if (e.target === callbackDialog) {
             closeCallbackDialog();
         }
@@ -176,6 +342,24 @@ window.addEventListener('DOMContentLoaded', async () => {
         else if (action === 'delete') deleteCallbackConfirm(name);
     });
 
+    // Folder dialog backdrop click to close
+    const folderDialog = document.getElementById('folderDialog');
+    folderDialog.addEventListener('click', (e) => {
+        if (e.target === folderDialog) {
+            closeFolderDialog();
+        }
+    });
+
+    // Delegated click handlers for folder table actions
+    document.getElementById('foldersTableBody').addEventListener('click', (e) => {
+        const btn = e.target.closest('[data-action]');
+        if (!btn) return;
+        const action = btn.dataset.action;
+        const folderId = btn.dataset.folderId;
+        if (action === 'edit') showEditFolderDialog(folderId);
+        else if (action === 'delete') deleteFolderConfirm(folderId);
+    });
+
     // Link dialog backdrop click to close
     const linkDialog = document.getElementById('linkDialog');
     linkDialog.addEventListener('click', (e) => {
@@ -197,15 +381,15 @@ window.addEventListener('DOMContentLoaded', async () => {
     // Track link form dirty state
     const linkForm = document.getElementById('linkForm');
     linkForm.addEventListener('input', () => {
-        linkFormDirty = true;
+        setLinkFormDirty(true);
     });
     linkForm.addEventListener('change', () => {
-        linkFormDirty = true;
+        setLinkFormDirty(true);
     });
 
     // Initialize browser toolbar and load folders
     initBrowserToolbar();
-    if (token) {
+    if (!authReq || token) {
         loadMediaFolders();
     }
 

media_server/static/js/background.js

@@ -0,0 +1,316 @@
+// ============================================================
+// Background: WebGL shader-based dynamic background
+// ============================================================
+
+import { frequencyData } from './player.js';
+
+let bgCanvas = null;
+let bgGL = null;
+let bgProgram = null;
+let bgUniforms = null;       // Cached uniform locations
+let bgAnimFrame = null;
+let bgEnabled = localStorage.getItem('dynamicBackground') === 'true';
+let bgStartTime = 0;
+let bgSmoothedBands = new Float32Array(16);
+let bgSmoothedBass = 0;
+let bgAccentRGB = [0.114, 0.725, 0.329]; // Cached accent color (default green)
+let bgBgColorRGB = [0.071, 0.071, 0.071]; // Cached page background (#121212)
+
+const BG_BAND_COUNT = 16;
+const BG_SMOOTHING = 0.12;
+
+// ---- Shaders ----
+
+const BG_VERT_SRC = `
+attribute vec2 a_position;
+void main() {
+    gl_Position = vec4(a_position, 0.0, 1.0);
+}
+`;
+
+const BG_FRAG_SRC = `
+precision mediump float;
+
+uniform vec2 u_resolution;
+uniform float u_time;
+uniform float u_bass;
+uniform float u_bands[16];
+uniform vec3 u_accent;
+uniform vec3 u_bgColor;
+
+// Smooth noise
+float hash(vec2 p) {
+    return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453);
+}
+
+float noise(vec2 p) {
+    vec2 i = floor(p);
+    vec2 f = fract(p);
+    f = f * f * (3.0 - 2.0 * f);
+    float a = hash(i);
+    float b = hash(i + vec2(1.0, 0.0));
+    float c = hash(i + vec2(0.0, 1.0));
+    float d = hash(i + vec2(1.0, 1.0));
+    return mix(mix(a, b, f.x), mix(c, d, f.x), f.y);
+}
+
+void main() {
+    vec2 uv = gl_FragCoord.xy / u_resolution;
+    float aspect = u_resolution.x / u_resolution.y;
+
+    // Center coordinates for radial effects
+    vec2 center = (uv - 0.5) * vec2(aspect, 1.0);
+    float dist = length(center);
+    float angle = atan(center.y, center.x);
+
+    // Slow base animation
+    float t = u_time * 0.15;
+
+    // === Layer 1: Flowing wave field ===
+    float waves = 0.0;
+    for (int i = 0; i < 5; i++) {
+        float fi = float(i);
+        float freq = 1.5 + fi * 0.8;
+        float speed = t * (0.6 + fi * 0.15);
+        // Sample a band for this wave layer
+        int bandIdx = i * 3;
+        float bandVal = 0.0;
+        // Manual indexing (GLSL ES doesn't allow variable array index in some drivers)
+        for (int j = 0; j < 16; j++) {
+            if (j == bandIdx) bandVal = u_bands[j];
+        }
+        float amp = 0.015 + bandVal * 0.06;
+        waves += amp * sin(uv.x * freq * 6.2832 + speed + sin(uv.y * 3.0 + t) * 2.0);
+        waves += amp * 0.5 * sin(uv.y * freq * 4.0 - speed * 0.7 + cos(uv.x * 2.5 + t) * 1.5);
+    }
+
+    // === Layer 2: Radial pulse (bass-driven) ===
+    float pulse = smoothstep(0.6 + u_bass * 0.3, 0.0, dist) * (0.08 + u_bass * 0.15);
+
+    // === Layer 3: Frequency ring arcs ===
+    float rings = 0.0;
+    for (int i = 0; i < 8; i++) {
+        float fi = float(i);
+        float bandVal = 0.0;
+        for (int j = 0; j < 16; j++) {
+            if (j == i * 2) bandVal = u_bands[j];
+        }
+        float radius = 0.15 + fi * 0.1;
+        float ringWidth = 0.008 + bandVal * 0.025;
+        float ring = smoothstep(ringWidth, 0.0, abs(dist - radius - bandVal * 0.05));
+        // Fade ring by angle sector for variety
+        float angleFade = 0.5 + 0.5 * sin(angle * (2.0 + fi) + t * (1.0 + fi * 0.3));
+        rings += ring * angleFade * (0.3 + bandVal * 0.7);
+    }
+
+    // === Layer 4: Subtle noise texture ===
+    float n = noise(uv * 4.0 + t * 0.5) * 0.03;
+
+    // Combine layers
+    float intensity = waves + pulse + rings * 0.5 + n;
+
+    // Color: accent color with varying brightness
+    vec3 col = u_accent * intensity;
+
+    // Subtle secondary hue shift for depth
+    vec3 shifted = u_accent.gbr;  // Rotated accent
+    col += shifted * rings * 0.15;
+
+    // Vignette
+    float vignette = 1.0 - smoothstep(0.3, 1.2, dist);
+    col *= vignette;
+
+    // Blend over page background
+    col = clamp(col, 0.0, 1.0);
+    float colBright = (col.r + col.g + col.b) / 3.0;
+    float bgLum = dot(u_bgColor, vec3(0.299, 0.587, 0.114));
+    // Dark bg: add accent light.  Light bg: tint white toward accent via multiply.
+    vec3 darkResult  = u_bgColor + col;
+    vec3 lightResult = u_bgColor * mix(vec3(1.0), u_accent, colBright * 2.0);
+    vec3 finalColor = clamp(mix(darkResult, lightResult, bgLum), 0.0, 1.0);
+
+    gl_FragColor = vec4(finalColor, 1.0);
+}
+`;
+
+// ---- WebGL setup ----
+
+function initBackgroundGL() {
+    bgCanvas = document.getElementById('bg-shader-canvas');
+    if (!bgCanvas) return false;
+
+    bgGL = bgCanvas.getContext('webgl', { alpha: false, antialias: false, depth: false, stencil: false });
+    if (!bgGL) {
+        console.warn('WebGL not available for background shader');
+        return false;
+    }
+
+    const gl = bgGL;
+
+    // Compile shaders
+    const vs = gl.createShader(gl.VERTEX_SHADER);
+    gl.shaderSource(vs, BG_VERT_SRC);
+    gl.compileShader(vs);
+    if (!gl.getShaderParameter(vs, gl.COMPILE_STATUS)) {
+        console.error('BG vertex shader:', gl.getShaderInfoLog(vs));
+        return false;
+    }
+
+    const fs = gl.createShader(gl.FRAGMENT_SHADER);
+    gl.shaderSource(fs, BG_FRAG_SRC);
+    gl.compileShader(fs);
+    if (!gl.getShaderParameter(fs, gl.COMPILE_STATUS)) {
+        console.error('BG fragment shader:', gl.getShaderInfoLog(fs));
+        return false;
+    }
+
+    bgProgram = gl.createProgram();
+    gl.attachShader(bgProgram, vs);
+    gl.attachShader(bgProgram, fs);
+    gl.linkProgram(bgProgram);
+    if (!gl.getProgramParameter(bgProgram, gl.LINK_STATUS)) {
+        console.error('BG program link:', gl.getProgramInfoLog(bgProgram));
+        return false;
+    }
+
+    // Fullscreen quad
+    const buf = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, buf);
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
+        -1, -1,  1, -1,  -1, 1,
+        -1,  1,  1, -1,   1, 1
+    ]), gl.STATIC_DRAW);
+
+    const aPos = gl.getAttribLocation(bgProgram, 'a_position');
+    gl.enableVertexAttribArray(aPos);
+    gl.vertexAttribPointer(aPos, 2, gl.FLOAT, false, 0, 0);
+
+    gl.useProgram(bgProgram);
+
+    // Cache uniform locations once (avoids per-frame lookups)
+    bgUniforms = {
+        resolution: gl.getUniformLocation(bgProgram, 'u_resolution'),
+        time:       gl.getUniformLocation(bgProgram, 'u_time'),
+        bass:       gl.getUniformLocation(bgProgram, 'u_bass'),
+        bands:      gl.getUniformLocation(bgProgram, 'u_bands'),
+        accent:     gl.getUniformLocation(bgProgram, 'u_accent'),
+        bgColor:    gl.getUniformLocation(bgProgram, 'u_bgColor'),
+    };
+
+    bgStartTime = performance.now() / 1000;
+    updateBackgroundColors();
+    resizeBackgroundCanvas();
+    window.addEventListener('resize', resizeBackgroundCanvas);
+
+    return true;
+}
+
+function resizeBackgroundCanvas() {
+    if (!bgCanvas) return;
+    const dpr = Math.min(window.devicePixelRatio || 1, 1.5); // Cap DPR for performance
+    const w = Math.floor(window.innerWidth * dpr);
+    const h = Math.floor(window.innerHeight * dpr);
+    if (bgCanvas.width !== w || bgCanvas.height !== h) {
+        bgCanvas.width = w;
+        bgCanvas.height = h;
+    }
+}
+
+// ---- Cached color/theme updates (called on accent or theme change, not per-frame) ----
+
+export function updateBackgroundColors() {
+    const style = getComputedStyle(document.documentElement);
+    const accentHex = style.getPropertyValue('--accent').trim();
+    if (accentHex && accentHex.length >= 7) {
+        bgAccentRGB[0] = parseInt(accentHex.slice(1, 3), 16) / 255;
+        bgAccentRGB[1] = parseInt(accentHex.slice(3, 5), 16) / 255;
+        bgAccentRGB[2] = parseInt(accentHex.slice(5, 7), 16) / 255;
+    }
+    const bgHex = style.getPropertyValue('--bg-primary').trim();
+    if (bgHex && bgHex.length >= 7) {
+        bgBgColorRGB[0] = parseInt(bgHex.slice(1, 3), 16) / 255;
+        bgBgColorRGB[1] = parseInt(bgHex.slice(3, 5), 16) / 255;
+        bgBgColorRGB[2] = parseInt(bgHex.slice(5, 7), 16) / 255;
+    }
+}
+
+// ---- Render loop ----
+
+function renderBackgroundFrame() {
+    bgAnimFrame = requestAnimationFrame(renderBackgroundFrame);
+
+    const gl = bgGL;
+    if (!gl || !bgUniforms) return;
+
+    resizeBackgroundCanvas();
+    gl.viewport(0, 0, bgCanvas.width, bgCanvas.height);
+
+    const time = performance.now() / 1000 - bgStartTime;
+
+    // Smooth audio data from the imported frequencyData (shared with visualizer)
+    if (frequencyData && frequencyData.frequencies) {
+        const bins = frequencyData.frequencies;
+        const step = Math.max(1, Math.floor(bins.length / BG_BAND_COUNT));
+        for (let i = 0; i < BG_BAND_COUNT; i++) {
+            const idx = Math.min(i * step, bins.length - 1);
+            const target = bins[idx] || 0;
+            bgSmoothedBands[i] += (target - bgSmoothedBands[i]) * (1 - BG_SMOOTHING);
+        }
+        const targetBass = frequencyData.bass || 0;
+        bgSmoothedBass += (targetBass - bgSmoothedBass) * (1 - BG_SMOOTHING);
+    } else {
+        // Gentle decay when no audio
+        for (let i = 0; i < BG_BAND_COUNT; i++) {
+            bgSmoothedBands[i] *= 0.95;
+        }
+        bgSmoothedBass *= 0.95;
+    }
+
+    // Set uniforms (locations cached at init, colors cached on change)
+    gl.uniform2f(bgUniforms.resolution, bgCanvas.width, bgCanvas.height);
+    gl.uniform1f(bgUniforms.time, time);
+    gl.uniform1f(bgUniforms.bass, bgSmoothedBass);
+    gl.uniform1fv(bgUniforms.bands, bgSmoothedBands);
+    gl.uniform3f(bgUniforms.accent, bgAccentRGB[0], bgAccentRGB[1], bgAccentRGB[2]);
+    gl.uniform3f(bgUniforms.bgColor, bgBgColorRGB[0], bgBgColorRGB[1], bgBgColorRGB[2]);
+
+    gl.drawArrays(gl.TRIANGLES, 0, 6);
+}
+
+function startBackground() {
+    if (bgAnimFrame) return;
+    if (!bgGL && !initBackgroundGL()) return;
+    bgCanvas.classList.add('visible');
+    document.body.classList.add('dynamic-bg-active');
+    renderBackgroundFrame();
+}
+
+function stopBackground() {
+    if (bgAnimFrame) {
+        cancelAnimationFrame(bgAnimFrame);
+        bgAnimFrame = null;
+    }
+    if (bgCanvas) {
+        bgCanvas.classList.remove('visible');
+    }
+    document.body.classList.remove('dynamic-bg-active');
+}
+
+// ---- Public API ----
+
+export function toggleDynamicBackground() {
+    bgEnabled = !bgEnabled;
+    localStorage.setItem('dynamicBackground', bgEnabled);
+    applyDynamicBackground();
+}
+
+export function applyDynamicBackground() {
+    const btn = document.getElementById('bgToggle');
+    if (bgEnabled) {
+        startBackground();
+        if (btn) btn.classList.add('active');
+    } else {
+        stopBackground();
+        if (btn) btn.classList.remove('active');
+    }
+}

media_server/static/js/browser.js

@@ -2,6 +2,12 @@
 // Media Browser: Navigation, rendering, search, pagination
 // ============================================================
 
+import {
+    t, showToast, showConfirm, escapeHtml, closeDialog,
+    SEARCH_DEBOUNCE_MS, EMPTY_SVG_FILE, EMPTY_SVG_FOLDER, emptyStateHtml,
+    getAuthHeaders, hasCredentials,
+} from './core.js';
+
 // Browser state
 let currentFolderId = null;
 let currentPath = '';
@@ -9,29 +15,39 @@ let currentOffset = 0;
 let itemsPerPage = parseInt(localStorage.getItem('mediaBrowser.itemsPerPage')) || 100;
 let totalItems = 0;
 let mediaFolders = {};
+let managementEnabled = false;
 let viewMode = localStorage.getItem('mediaBrowser.viewMode') || 'grid';
 let cachedItems = null;
 let browserSearchTerm = '';
 let browserSearchTimer = null;
-const thumbnailCache = new Map();
+export const thumbnailCache = new Map();
 const THUMBNAIL_CACHE_MAX = 200;
 
 // Load media folders on page load
-async function loadMediaFolders() {
+export async function loadMediaFolders() {
     try {
-        const token = localStorage.getItem('media_server_token');
-        if (!token) {
-            console.error('No API token found');
-            return;
-        }
+        if (!hasCredentials()) return;
 
         const response = await fetch('/api/browser/folders', {
-            headers: { 'Authorization': `Bearer ${token}` }
+            headers: getAuthHeaders()
         });
 
         if (!response.ok) throw new Error('Failed to load folders');
 
-        mediaFolders = await response.json();
+        const data = await response.json();
+        mediaFolders = data.folders || {};
+        managementEnabled = data.management_enabled || false;
+
+        // Show/hide the media folders settings section
+        const section = document.getElementById('mediaFoldersSection');
+        if (section) {
+            section.style.display = managementEnabled ? '' : 'none';
+        }
+
+        // Render folders table in settings if management is enabled
+        if (managementEnabled) {
+            loadFoldersTable();
+        }
 
         // Load last browsed path or show root folder list
         loadLastBrowserPath();
@@ -67,41 +83,48 @@ function showRootFolders() {
     revokeBlobUrls(container);
     if (viewMode === 'list') {
         container.className = 'browser-list';
-    } else if (viewMode === 'compact') {
-        container.className = 'browser-grid browser-grid-compact';
     } else {
-        container.className = 'browser-grid';
+        container.className = 'browser-grid browser-root-grid';
     }
     container.innerHTML = '';
 
+    const folderSvg = '<svg viewBox="0 0 24 24" width="24" height="24"><path fill="currentColor" d="M10 4H4c-1.1 0-2 .9-2 2v12c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2h-8l-2-2z"/></svg>';
+
     Object.entries(mediaFolders).forEach(([id, folder]) => {
         if (!folder.enabled) return;
+        const unavailable = folder.available === false;
+        const unavailableClass = unavailable ? ' unavailable' : '';
 
         if (viewMode === 'list') {
             const row = document.createElement('div');
-            row.className = 'browser-list-item';
-            row.onclick = () => {
-                currentFolderId = id;
-                browsePath(id, '');
-            };
+            row.className = 'browser-list-item' + unavailableClass;
+            if (!unavailable) {
+                row.onclick = () => {
+                    currentFolderId = id;
+                    browsePath(id, '');
+                };
+            }
             row.innerHTML = `
-                <div class="browser-list-icon">\u{1F4C1}</div>
-                <div class="browser-list-name">${folder.label}</div>
+                <div class="browser-list-icon" style="color: var(--accent)">${folderSvg}</div>
+                <div class="browser-list-name">${escapeHtml(folder.label)}${unavailable ? ' <span class="folder-unavailable-badge">' + t('browser.unavailable') + '</span>' : ''}</div>
             `;
             container.appendChild(row);
         } else {
             const card = document.createElement('div');
-            card.className = 'browser-item';
-            card.onclick = () => {
-                currentFolderId = id;
-                browsePath(id, '');
-            };
+            card.className = 'browser-item browser-root-folder' + unavailableClass;
+            if (!unavailable) {
+                card.onclick = () => {
+                    currentFolderId = id;
+                    browsePath(id, '');
+                };
+            }
             card.innerHTML = `
                 <div class="browser-thumb-wrapper">
-                    <div class="browser-icon">\u{1F4C1}</div>
+                    <div class="browser-icon" style="color: var(--accent)">${folderSvg}</div>
                 </div>
                 <div class="browser-item-info">
-                    <div class="browser-item-name">${folder.label}</div>
+                    <div class="browser-item-name">${escapeHtml(folder.label)}</div>
+                    ${unavailable ? '<div class="browser-item-meta folder-unavailable-badge">' + t('browser.unavailable') + '</div>' : ''}
                 </div>
             `;
             container.appendChild(card);
@@ -114,11 +137,7 @@ async function browsePath(folderId, path, offset = 0, nocache = false) {
     showBrowserSearch(false);
 
     try {
-        const token = localStorage.getItem('media_server_token');
-        if (!token) {
-            console.error('No API token found');
-            return;
-        }
+        if (!hasCredentials()) return;
 
         // Show loading spinner
         const container = document.getElementById('browserGrid');
@@ -130,7 +149,7 @@ async function browsePath(folderId, path, offset = 0, nocache = false) {
         if (nocache) url += '&nocache=true';
         const response = await fetch(
             url,
-            { headers: { 'Authorization': `Bearer ${token}` } }
+            { headers: getAuthHeaders() }
         );
 
         if (!response.ok) {
@@ -169,11 +188,11 @@ async function browsePath(folderId, path, offset = 0, nocache = false) {
     }
 }
 
-function renderBreadcrumbs(currentPath, parentPath) {
+function renderBreadcrumbs(currentPathStr, parentPath) {
     const breadcrumb = document.getElementById('breadcrumb');
     breadcrumb.innerHTML = '';
 
-    const parts = (currentPath || '').split('/').filter(p => p);
+    const parts = (currentPathStr || '').split('/').filter(p => p);
     let path = '/';
 
     // Home link (back to folder list)
@@ -250,6 +269,19 @@ function renderBrowserList(items, container) {
         return;
     }
 
+    // Column header row
+    const header = document.createElement('div');
+    header.className = 'browser-list-header';
+    header.innerHTML = `
+        <span></span>
+        <span>${t('browser.list_header.name')}</span>
+        <span>${t('browser.list_header.bitrate')}</span>
+        <span>${t('browser.list_header.duration')}</span>
+        <span>${t('browser.list_header.size')}</span>
+        <span></span>
+    `;
+    container.appendChild(header);
+
     items.forEach((item, idx) => {
         const row = document.createElement('div');
         row.className = 'browser-list-item';
@@ -373,10 +405,10 @@ function renderBrowserGrid(items, container) {
             // Lazy load thumbnail
             loadThumbnail(thumbnail, item.name);
         } else {
-            const icon = document.createElement('div');
-            icon.className = 'browser-icon';
-            icon.textContent = getFileIcon(item.type);
-            thumbWrapper.appendChild(icon);
+            const iconEl = document.createElement('div');
+            iconEl.className = 'browser-icon';
+            iconEl.textContent = getFileIcon(item.type);
+            thumbWrapper.appendChild(iconEl);
         }
 
         // Play overlay for media files
@@ -482,11 +514,7 @@ function formatBitrate(bps) {
 
 async function loadThumbnail(imgElement, fileName) {
     try {
-        const token = localStorage.getItem('media_server_token');
-        if (!token) {
-            console.error('No API token found');
-            return;
-        }
+        if (!hasCredentials()) return;
 
         const absolutePath = buildAbsolutePath(currentFolderId, currentPath, fileName);
 
@@ -505,7 +533,7 @@ async function loadThumbnail(imgElement, fileName) {
 
         const response = await fetch(
             `/api/browser/thumbnail?path=${encodedPath}&size=medium`,
-            { headers: { 'Authorization': `Bearer ${token}` } }
+            { headers: getAuthHeaders() }
         );
 
         if (response.status === 200) {
@@ -527,11 +555,10 @@ async function loadThumbnail(imgElement, fileName) {
             };
 
             // Revoke previous blob URL if not managed by cache
-            // (Cache is keyed by path, so check values)
             if (imgElement.src && imgElement.src.startsWith('blob:')) {
                 let isCached = false;
-                for (const url of thumbnailCache.values()) {
-                    if (url === imgElement.src) { isCached = true; break; }
+                for (const cachedUrl of thumbnailCache.values()) {
+                    if (cachedUrl === imgElement.src) { isCached = true; break; }
                 }
                 if (!isCached) URL.revokeObjectURL(imgElement.src);
             }
@@ -544,10 +571,10 @@ async function loadThumbnail(imgElement, fileName) {
             if (isList) {
                 parent.textContent = '\u{1F3B5}';
             } else {
-                const icon = document.createElement('div');
-                icon.className = 'browser-icon';
-                icon.textContent = '\u{1F3B5}';
-                parent.insertBefore(icon, parent.firstChild);
+                const iconEl = document.createElement('div');
+                iconEl.className = 'browser-icon';
+                iconEl.textContent = '\u{1F3B5}';
+                parent.insertBefore(iconEl, parent.firstChild);
             }
         }
     } catch (error) {
@@ -572,20 +599,13 @@ async function playMediaFile(fileName) {
     if (playInProgress) return;
     playInProgress = true;
     try {
-        const token = localStorage.getItem('media_server_token');
-        if (!token) {
-            console.error('No API token found');
-            return;
-        }
+        if (!hasCredentials()) return;
 
         const absolutePath = buildAbsolutePath(currentFolderId, currentPath, fileName);
 
         const response = await fetch('/api/browser/play', {
             method: 'POST',
-            headers: {
-                'Authorization': `Bearer ${token}`,
-                'Content-Type': 'application/json'
-            },
+            headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
             body: JSON.stringify({ path: absolutePath })
         });
 
@@ -600,21 +620,17 @@ async function playMediaFile(fileName) {
     }
 }
 
-async function playAllFolder() {
+export async function playAllFolder() {
     if (playInProgress) return;
     playInProgress = true;
     const btn = document.getElementById('playAllBtn');
     if (btn) btn.disabled = true;
     try {
-        const token = localStorage.getItem('media_server_token');
-        if (!token || !currentFolderId) return;
+        if (!hasCredentials() || !currentFolderId) return;
 
         const response = await fetch('/api/browser/play-folder', {
             method: 'POST',
-            headers: {
-                'Authorization': `Bearer ${token}`,
-                'Content-Type': 'application/json'
-            },
+            headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
             body: JSON.stringify({ folder_id: currentFolderId, path: currentPath })
         });
 
@@ -634,10 +650,9 @@ async function playAllFolder() {
     }
 }
 
-async function downloadFile(fileName, event) {
+export async function downloadFile(fileName, event) {
     if (event) event.stopPropagation();
-    const token = localStorage.getItem('media_server_token');
-    if (!token) return;
+    if (!hasCredentials()) return;
 
     const fullPath = currentPath === '/'
         ? '/' + fileName
@@ -647,7 +662,7 @@ async function downloadFile(fileName, event) {
     try {
         const response = await fetch(
             `/api/browser/download?folder_id=${currentFolderId}&path=${encodedPath}`,
-            { headers: { 'Authorization': `Bearer ${token}` } }
+            { headers: getAuthHeaders() }
         );
         if (!response.ok) throw new Error('Download failed');
 
@@ -681,6 +696,7 @@ function renderPagination() {
     const nextBtn = document.getElementById('nextPage');
     const pageInput = document.getElementById('pageInput');
     const pageTotal = document.getElementById('pageTotal');
+    const showingEl = document.getElementById('paginationShowing');
 
     const totalPages = Math.ceil(totalItems / itemsPerPage);
     const currentPage = Math.floor(currentOffset / itemsPerPage) + 1;
@@ -695,23 +711,30 @@ function renderPagination() {
     pageInput.max = totalPages;
     pageTotal.textContent = `/ ${totalPages}`;
 
+    // "Showing X-Y of Z"
+    if (showingEl) {
+        const from = currentOffset + 1;
+        const to = Math.min(currentOffset + itemsPerPage, totalItems);
+        showingEl.textContent = t('browser.showing_items', { from, to, total: totalItems });
+    }
+
     prevBtn.disabled = currentPage === 1;
     nextBtn.disabled = currentPage === totalPages;
 }
 
-function previousPage() {
+export function previousPage() {
     if (currentOffset >= itemsPerPage) {
         browsePath(currentFolderId, currentPath, currentOffset - itemsPerPage);
     }
 }
 
-function nextPage() {
+export function nextPage() {
     if (currentOffset + itemsPerPage < totalItems) {
         browsePath(currentFolderId, currentPath, currentOffset + itemsPerPage);
     }
 }
 
-function refreshBrowser() {
+export function refreshBrowser() {
     if (currentFolderId) {
         browsePath(currentFolderId, currentPath, currentOffset, true);
     } else {
@@ -720,7 +743,7 @@ function refreshBrowser() {
 }
 
 // Browser search
-function onBrowserSearch() {
+export function onBrowserSearch() {
     const input = document.getElementById('browserSearchInput');
     const clearBtn = document.getElementById('browserSearchClear');
     const term = input.value.trim();
@@ -735,7 +758,7 @@ function onBrowserSearch() {
     }, SEARCH_DEBOUNCE_MS);
 }
 
-function clearBrowserSearch() {
+export function clearBrowserSearch() {
     const input = document.getElementById('browserSearchInput');
     input.value = '';
     document.getElementById('browserSearchClear').style.display = 'none';
@@ -768,7 +791,7 @@ function showBrowserSearch(visible) {
     }
 }
 
-function setViewMode(mode) {
+export function setViewMode(mode) {
     if (mode === viewMode) return;
     viewMode = mode;
     localStorage.setItem('mediaBrowser.viewMode', mode);
@@ -786,7 +809,7 @@ function setViewMode(mode) {
     }
 }
 
-function onItemsPerPageChanged() {
+export function onItemsPerPageChanged() {
     const select = document.getElementById('itemsPerPageSelect');
     itemsPerPage = parseInt(select.value);
     localStorage.setItem('mediaBrowser.itemsPerPage', itemsPerPage);
@@ -798,7 +821,7 @@ function onItemsPerPageChanged() {
     }
 }
 
-function goToPage() {
+export function goToPage() {
     const pageInput = document.getElementById('pageInput');
     const totalPages = Math.ceil(totalItems / itemsPerPage);
     let page = parseInt(pageInput.value);
@@ -813,7 +836,7 @@ function goToPage() {
     }
 }
 
-function initBrowserToolbar() {
+export function initBrowserToolbar() {
     // Restore view mode
     const savedViewMode = localStorage.getItem('mediaBrowser.viewMode') || 'grid';
     viewMode = savedViewMode;
@@ -864,19 +887,164 @@ function loadLastBrowserPath() {
     }
 }
 
-// Folder Management
-function showManageFoldersDialog() {
-    // TODO: Implement folder management UI
-    // For now, show a simple alert
-    showToast(t('browser.manage_folders_hint'), 'info');
+// Folder Management — Settings table
+
+export function loadFoldersTable() {
+    const tbody = document.getElementById('foldersTableBody');
+    if (!tbody) return;
+
+    const entries = Object.entries(mediaFolders);
+    if (entries.length === 0) {
+        tbody.innerHTML = `<tr><td colspan="5" class="empty-state">
+            <div class="empty-state-illustration">
+                <svg viewBox="0 0 64 64"><path d="M8 16h20l4-6h20a4 4 0 014 4v36a4 4 0 01-4 4H8a4 4 0 01-4-4V20a4 4 0 014-4z"/><path d="M4 24h56" stroke-dasharray="4 3" opacity="0.4"/></svg>
+                <p data-i18n="browser.folders_empty">${t('browser.folders_empty')}</p>
+            </div></td></tr>`;
+        return;
+    }
+
+    tbody.innerHTML = entries.map(([id, folder]) => {
+        const available = folder.available !== false;
+        const statusIcon = available
+            ? '<span class="status-dot status-online">' + t('browser.folder_available') + '</span>'
+            : '<span class="status-dot status-offline">' + t('browser.folder_unavailable') + '</span>';
+        const enabledBadge = folder.enabled
+            ? ''
+            : ' <span class="folder-disabled-badge">' + t('browser.folder_disabled') + '</span>';
+        return `<tr>
+            <td>${escapeHtml(id)}${enabledBadge}</td>
+            <td>${escapeHtml(folder.label)}</td>
+            <td class="path-cell" title="${escapeHtml(folder.path)}">${escapeHtml(folder.path)}</td>
+            <td>${statusIcon}</td>
+            <td class="actions-cell">
+                <button class="btn-icon" data-action="edit" data-folder-id="${escapeHtml(id)}" title="${t('browser.folder_edit')}">
+                    <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M3 17.25V21h3.75L17.81 9.94l-3.75-3.75L3 17.25zM20.71 7.04c.39-.39.39-1.02 0-1.41l-2.34-2.34c-.39-.39-1.02-.39-1.41 0l-1.83 1.83 3.75 3.75 1.83-1.83z"/></svg>
+                </button>
+                <button class="btn-icon btn-danger-icon" data-action="delete" data-folder-id="${escapeHtml(id)}" title="${t('browser.folder_delete')}">
+                    <svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M6 19c0 1.1.9 2 2 2h8c1.1 0 2-.9 2-2V7H6v12zM19 4h-3.5l-1-1h-5l-1 1H5v2h14V4z"/></svg>
+                </button>
+            </td>
+        </tr>`;
+    }).join('');
 }
 
-function closeFolderDialog() {
+export function showAddFolderDialog() {
+    document.getElementById('folderDialogTitle').textContent = t('browser.folder_dialog.title_add');
+    document.getElementById('folderIsEdit').value = '';
+    document.getElementById('folderOriginalId').value = '';
+    document.getElementById('folderId').value = '';
+    document.getElementById('folderId').disabled = false;
+    document.getElementById('folderLabel').value = '';
+    document.getElementById('folderPath').value = '';
+    document.getElementById('folderEnabled').checked = true;
+    document.getElementById('folderDialog').showModal();
+}
+
+export function showEditFolderDialog(folderId) {
+    const folder = mediaFolders[folderId];
+    if (!folder) return;
+
+    document.getElementById('folderDialogTitle').textContent = t('browser.folder_dialog.title_edit');
+    document.getElementById('folderIsEdit').value = '1';
+    document.getElementById('folderOriginalId').value = folderId;
+    document.getElementById('folderId').value = folderId;
+    document.getElementById('folderId').disabled = true;
+    document.getElementById('folderLabel').value = folder.label;
+    document.getElementById('folderPath').value = folder.path;
+    document.getElementById('folderEnabled').checked = folder.enabled;
+    document.getElementById('folderDialog').showModal();
+}
+
+export function closeFolderDialog() {
     closeDialog(document.getElementById('folderDialog'));
 }
 
-async function saveFolder(event) {
+export async function saveFolder(event) {
     event.preventDefault();
-    // TODO: Implement folder save functionality
-    closeFolderDialog();
+
+    const isEdit = document.getElementById('folderIsEdit').value === '1';
+    const folderId = isEdit
+        ? document.getElementById('folderOriginalId').value
+        : document.getElementById('folderId').value.trim();
+    const label = document.getElementById('folderLabel').value.trim();
+    const path = document.getElementById('folderPath').value.trim();
+    const enabled = document.getElementById('folderEnabled').checked;
+
+    if (!folderId || !label || !path) return;
+
+    const submitBtn = document.querySelector('#folderForm button[type="submit"]');
+    if (submitBtn) submitBtn.disabled = true;
+
+    try {
+        let response;
+        if (isEdit) {
+            response = await fetch(`/api/browser/folders/update/${encodeURIComponent(folderId)}`, {
+                method: 'PUT',
+                headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
+                body: JSON.stringify({ label, path, enabled }),
+            });
+        } else {
+            response = await fetch('/api/browser/folders/create', {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
+                body: JSON.stringify({ folder_id: folderId, label, path, enabled }),
+            });
+        }
+
+        if (response.ok) {
+            closeFolderDialog();
+            showToast(t(isEdit ? 'browser.folder_updated' : 'browser.folder_created'), 'success');
+            await loadMediaFolders();
+        } else {
+            const result = await response.json().catch(() => ({}));
+            showToast(result.detail || t('browser.folder_save_error'), 'error');
+        }
+    } catch (error) {
+        console.error('Error saving folder:', error);
+        showToast(t('browser.folder_save_error'), 'error');
+    } finally {
+        if (submitBtn) submitBtn.disabled = false;
+    }
+}
+
+export async function deleteFolderConfirm(folderId) {
+    if (!await showConfirm(t('browser.folder_confirm_delete', { name: folderId }))) {
+        return;
+    }
+
+    try {
+        const response = await fetch(`/api/browser/folders/delete/${encodeURIComponent(folderId)}`, {
+            method: 'DELETE',
+            headers: getAuthHeaders(),
+        });
+
+        if (response.ok) {
+            showToast(t('browser.folder_deleted'), 'success');
+            await loadMediaFolders();
+        } else {
+            const result = await response.json().catch(() => ({}));
+            showToast(result.detail || t('browser.folder_delete_error'), 'error');
+        }
+    } catch (error) {
+        console.error('Error deleting folder:', error);
+        showToast(t('browser.folder_delete_error'), 'error');
+    }
+}
+
+// Legacy stub — now handled via settings table
+export function showManageFoldersDialog() {
+    if (managementEnabled) {
+        // Switch to settings tab and scroll to the folders section
+        const switchTabFn = window.switchTab;
+        if (switchTabFn) switchTabFn('settings');
+        setTimeout(() => {
+            const section = document.getElementById('mediaFoldersSection');
+            if (section) {
+                section.setAttribute('open', '');
+                section.scrollIntoView({ behavior: 'smooth' });
+            }
+        }, 100);
+    } else {
+        showToast(t('browser.manage_folders_hint'), 'info');
+    }
 }

media_server/static/js/callbacks.js

@@ -2,10 +2,37 @@
 // Callbacks: CRUD management
 // ============================================================
 
-let callbackFormDirty = false;
+import { t, showToast, escapeHtml, closeDialog, showConfirm, getAuthHeaders, hasCredentials } from './core.js';
+import { IconSelect } from './icon-select.js';
+import { callbackEventIcons } from './icons.js';
+
+export let callbackFormDirty = false;
+export function setCallbackFormDirty(value) { callbackFormDirty = value; }
+
+let _callbackEventIconSelect = null;
+
+function _ensureCallbackEventIconSelect() {
+    if (_callbackEventIconSelect) return;
+    const select = document.getElementById('callbackName');
+    if (!select) return;
+
+    const items = Object.entries(callbackEventIcons).map(([value, icon]) => ({
+        value,
+        icon,
+        label: value,
+    }));
+
+    _callbackEventIconSelect = new IconSelect({
+        target: select,
+        items,
+        columns: 3,
+        placeholder: t('callbacks.placeholder.event'),
+        onChange: () => { callbackFormDirty = true; },
+    });
+}
 
 let _loadCallbacksPromise = null;
-async function loadCallbacksTable() {
+export async function loadCallbacksTable() {
     if (_loadCallbacksPromise) return _loadCallbacksPromise;
     _loadCallbacksPromise = _loadCallbacksTableImpl();
     _loadCallbacksPromise.finally(() => { _loadCallbacksPromise = null; });
@@ -13,12 +40,11 @@ async function loadCallbacksTable() {
 }
 
 async function _loadCallbacksTableImpl() {
-    const token = localStorage.getItem('media_server_token');
     const tbody = document.getElementById('callbacksTableBody');
 
     try {
         const response = await fetch('/api/callbacks/list', {
-            headers: { 'Authorization': `Bearer ${token}` }
+            headers: getAuthHeaders()
         });
 
         if (!response.ok) {
@@ -59,7 +85,7 @@ async function _loadCallbacksTableImpl() {
     }
 }
 
-function showAddCallbackDialog() {
+export function showAddCallbackDialog() {
     const dialog = document.getElementById('callbackDialog');
     const form = document.getElementById('callbackForm');
     const title = document.getElementById('callbackDialogTitle');
@@ -69,20 +95,22 @@ function showAddCallbackDialog() {
     document.getElementById('callbackName').disabled = false;
     title.textContent = t('callbacks.dialog.add');
 
+    _ensureCallbackEventIconSelect();
+    if (_callbackEventIconSelect) _callbackEventIconSelect.setValue('', false);
+
     callbackFormDirty = false;
 
     document.body.classList.add('dialog-open');
     dialog.showModal();
 }
 
-async function showEditCallbackDialog(callbackName) {
-    const token = localStorage.getItem('media_server_token');
+export async function showEditCallbackDialog(callbackName) {
     const dialog = document.getElementById('callbackDialog');
     const title = document.getElementById('callbackDialogTitle');
 
     try {
         const response = await fetch('/api/callbacks/list', {
-            headers: { 'Authorization': `Bearer ${token}` }
+            headers: getAuthHeaders()
         });
 
         if (!response.ok) {
@@ -100,6 +128,9 @@ async function showEditCallbackDialog(callbackName) {
         document.getElementById('callbackIsEdit').value = 'true';
         document.getElementById('callbackName').value = callbackName;
         document.getElementById('callbackName').disabled = true;
+
+        _ensureCallbackEventIconSelect();
+        if (_callbackEventIconSelect) _callbackEventIconSelect.setValue(callbackName, false);
         document.getElementById('callbackCommand').value = callback.command;
         document.getElementById('callbackTimeout').value = callback.timeout;
         document.getElementById('callbackWorkingDir').value = callback.working_dir || '';
@@ -115,7 +146,7 @@ async function showEditCallbackDialog(callbackName) {
     }
 }
 
-async function closeCallbackDialog() {
+export async function closeCallbackDialog() {
     if (callbackFormDirty) {
         if (!await showConfirm(t('callbacks.confirm.unsaved'))) {
             return;
@@ -128,13 +159,12 @@ async function closeCallbackDialog() {
     document.body.classList.remove('dialog-open');
 }
 
-async function saveCallback(event) {
+export async function saveCallback(event) {
     event.preventDefault();
 
     const submitBtn = event.target.querySelector('button[type="submit"]');
     if (submitBtn) submitBtn.disabled = true;
 
-    const token = localStorage.getItem('media_server_token');
     const isEdit = document.getElementById('callbackIsEdit').value === 'true';
     const callbackName = document.getElementById('callbackName').value;
 
@@ -154,10 +184,7 @@ async function saveCallback(event) {
     try {
         const response = await fetch(endpoint, {
             method,
-            headers: {
-                'Authorization': `Bearer ${token}`,
-                'Content-Type': 'application/json'
-            },
+            headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
             body: JSON.stringify(data)
         });
 
@@ -179,19 +206,15 @@ async function saveCallback(event) {
     }
 }
 
-async function deleteCallbackConfirm(callbackName) {
+export async function deleteCallbackConfirm(callbackName) {
     if (!await showConfirm(t('callbacks.confirm.delete').replace('{name}', callbackName))) {
         return;
     }
 
-    const token = localStorage.getItem('media_server_token');
-
     try {
         const response = await fetch(`/api/callbacks/delete/${callbackName}`, {
             method: 'DELETE',
-            headers: {
-                'Authorization': `Bearer ${token}`
-            }
+            headers: getAuthHeaders()
         });
 
         const result = await response.json();

media_server/static/js/core.js

@@ -3,22 +3,22 @@
 // ============================================================
 
 // SVG path constants (avoid rebuilding innerHTML on every state update)
-const SVG_PLAY = '<path d="M8 5v14l11-7z"/>';
-const SVG_PAUSE = '<path d="M6 19h4V5H6v14zm8-14v14h4V5h-4z"/>';
-const SVG_STOP = '<path d="M6 6h12v12H6z"/>';
-const SVG_IDLE = '<path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 14.5v-9l6 4.5-6 4.5z"/>';
-const SVG_MUTED = '<path d="M16.5 12c0-1.77-1.02-3.29-2.5-4.03v2.21l2.45 2.45c.03-.2.05-.41.05-.63zm2.5 0c0 .94-.2 1.82-.54 2.64l1.51 1.51C20.63 14.91 21 13.5 21 12c0-4.28-2.99-7.86-7-8.77v2.06c2.89.86 5 3.54 5 6.71zM4.27 3L3 4.27 7.73 9H3v6h4l5 5v-6.73l4.25 4.25c-.67.52-1.42.93-2.25 1.18v2.06c1.38-.31 2.63-.95 3.69-1.81L19.73 21 21 19.73l-9-9L4.27 3zM12 4L9.91 6.09 12 8.18V4z"/>';
-const SVG_UNMUTED = '<path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02z"/>';
+export const SVG_PLAY = '<path d="M8 5v14l11-7z"/>';
+export const SVG_PAUSE = '<path d="M6 19h4V5H6v14zm8-14v14h4V5h-4z"/>';
+export const SVG_STOP = '<path d="M6 6h12v12H6z"/>';
+export const SVG_IDLE = '<path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 14.5v-9l6 4.5-6 4.5z"/>';
+export const SVG_MUTED = '<path d="M16.5 12c0-1.77-1.02-3.29-2.5-4.03v2.21l2.45 2.45c.03-.2.05-.41.05-.63zm2.5 0c0 .94-.2 1.82-.54 2.64l1.51 1.51C20.63 14.91 21 13.5 21 12c0-4.28-2.99-7.86-7-8.77v2.06c2.89.86 5 3.54 5 6.71zM4.27 3L3 4.27 7.73 9H3v6h4l5 5v-6.73l4.25 4.25c-.67.52-1.42.93-2.25 1.18v2.06c1.38-.31 2.63-.95 3.69-1.81L19.73 21 21 19.73l-9-9L4.27 3zM12 4L9.91 6.09 12 8.18V4z"/>';
+export const SVG_UNMUTED = '<path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02z"/>';
 
 // Empty state illustration SVGs
-const EMPTY_SVG_FOLDER = '<svg viewBox="0 0 64 64"><path d="M8 16h20l4-6h20a4 4 0 014 4v36a4 4 0 01-4 4H8a4 4 0 01-4-4V20a4 4 0 014-4z"/><path d="M4 24h56" stroke-dasharray="4 3" opacity="0.4"/></svg>';
-const EMPTY_SVG_FILE = '<svg viewBox="0 0 64 64"><path d="M16 4h22l14 14v38a4 4 0 01-4 4H16a4 4 0 01-4-4V8a4 4 0 014-4z"/><path d="M38 4v14h14"/><path d="M22 32h20M22 40h14" opacity="0.5"/></svg>';
-function emptyStateHtml(svgStr, text) {
+export const EMPTY_SVG_FOLDER = '<svg viewBox="0 0 64 64"><path d="M8 16h20l4-6h20a4 4 0 014 4v36a4 4 0 01-4 4H8a4 4 0 01-4-4V20a4 4 0 014-4z"/><path d="M4 24h56" stroke-dasharray="4 3" opacity="0.4"/></svg>';
+export const EMPTY_SVG_FILE = '<svg viewBox="0 0 64 64"><path d="M16 4h22l14 14v38a4 4 0 01-4 4H16a4 4 0 01-4-4V8a4 4 0 014-4z"/><path d="M38 4v14h14"/><path d="M22 32h20M22 40h14" opacity="0.5"/></svg>';
+export function emptyStateHtml(svgStr, text) {
     return `<div class="empty-state-illustration">${svgStr}<p>${text}</p></div>`;
 }
 
 // Media source registry: substring key → { name, icon }
-const MEDIA_SOURCES = {
+export const MEDIA_SOURCES = {
     'spotify': {
         name: 'Spotify',
         icon: '<svg viewBox="0 0 24 24"><path fill="#1DB954" d="M12 0C5.4 0 0 5.4 0 12s5.4 12 12 12 12-5.4 12-12S18.66 0 12 0zm5.521 17.34c-.24.359-.66.48-1.021.24-2.82-1.74-6.36-2.101-10.561-1.141-.418.122-.779-.179-.899-.539-.12-.421.18-.78.54-.9 4.56-1.021 8.52-.6 11.64 1.32.42.18.479.659.301 1.02zm1.44-3.3c-.301.42-.841.6-1.262.3-3.239-1.98-8.159-2.58-11.939-1.38-.479.12-1.02-.12-1.14-.6-.12-.48.12-1.021.6-1.141C9.6 9.9 15 10.561 18.72 12.84c.361.181.54.78.241 1.2zm.12-3.36C15.24 8.4 8.82 8.16 5.16 9.301c-.6.179-1.2-.181-1.38-.721-.18-.601.18-1.2.72-1.381 4.26-1.26 11.28-1.02 15.721 1.621.539.3.719 1.02.419 1.56-.299.421-1.02.599-1.559.3z"/></svg>'
@@ -89,7 +89,7 @@ const MEDIA_SOURCES = {
     },
 };
 
-function resolveMediaSource(raw) {
+export function resolveMediaSource(raw) {
     if (!raw) return null;
     const lower = raw.toLowerCase();
     for (const [key, info] of Object.entries(MEDIA_SOURCES)) {
@@ -99,8 +99,8 @@ function resolveMediaSource(raw) {
 }
 
 // Cached DOM references (populated once after DOMContentLoaded)
-const dom = {};
-function cacheDom() {
+export const dom = {};
+export function cacheDom() {
     dom.trackTitle = document.getElementById('track-title');
     dom.artist = document.getElementById('artist');
     dom.album = document.getElementById('album');
@@ -137,26 +137,35 @@ function cacheDom() {
 }
 
 // Timing constants
-const VOLUME_THROTTLE_MS = 16;
-const POSITION_INTERPOLATION_MS = 100;
-const SEARCH_DEBOUNCE_MS = 200;
-const TOAST_DURATION_MS = 3000;
-const WS_BACKOFF_BASE_MS = 3000;
-const WS_BACKOFF_MAX_MS = 30000;
-const WS_MAX_RECONNECT_ATTEMPTS = 20;
-const WS_PING_INTERVAL_MS = 30000;
-const VOLUME_RELEASE_DELAY_MS = 500;
+export const VOLUME_THROTTLE_MS = 16;
+export const POSITION_INTERPOLATION_MS = 100;
+export const SEARCH_DEBOUNCE_MS = 200;
+export const TOAST_DURATION_MS = 3000;
+export const WS_BACKOFF_BASE_MS = 3000;
+export const WS_BACKOFF_MAX_MS = 30000;
+export const WS_MAX_RECONNECT_ATTEMPTS = 20;
+export const WS_PING_INTERVAL_MS = 30000;
+export const VOLUME_RELEASE_DELAY_MS = 500;
 
 // Shared state (accessed across multiple modules)
-let ws = null;
-let currentState = 'idle';
-let currentDuration = 0;
-let currentPosition = 0;
-let isUserAdjustingVolume = false;
-let volumeUpdateTimer = null;
-let scripts = [];
-let lastStatus = null;
-let currentPlayState = 'idle';
+export let ws = null;
+export function setWs(value) { ws = value; }
+export let currentState = 'idle';
+export function setCurrentState(value) { currentState = value; }
+export let currentDuration = 0;
+export function setCurrentDuration(value) { currentDuration = value; }
+export let currentPosition = 0;
+export function setCurrentPosition(value) { currentPosition = value; }
+export let isUserAdjustingVolume = false;
+export function setIsUserAdjustingVolume(value) { isUserAdjustingVolume = value; }
+export let volumeUpdateTimer = null;
+export function setVolumeUpdateTimer(value) { volumeUpdateTimer = value; }
+export let scripts = [];
+export function setScripts(value) { scripts = value; }
+export let lastStatus = null;
+export function setLastStatus(value) { lastStatus = value; }
+export let currentPlayState = 'idle';
+export function setCurrentPlayState(value) { currentPlayState = value; }
 
 // ============================================================
 // Internationalization (i18n)
@@ -178,7 +187,7 @@ const fallbackTranslations = {
     'player.status.disconnected': 'Disconnected'
 };
 
-function t(key, params = {}) {
+export function t(key, params = {}) {
     let text = translations[key] || fallbackTranslations[key] || key;
     Object.keys(params).forEach(param => {
         text = text.replace(new RegExp(`\\{${param}\\}`, 'g'), params[param]);
@@ -208,7 +217,7 @@ function detectBrowserLocale() {
     return supportedLocales[langCode] ? langCode : 'en';
 }
 
-async function initLocale() {
+export async function initLocale() {
     const savedLocale = localStorage.getItem('locale') || detectBrowserLocale();
     await setLocale(savedLocale);
 }
@@ -228,7 +237,7 @@ async function setLocale(locale) {
     document.body.classList.add('translations-loaded');
 }
 
-function changeLocale() {
+export function changeLocale() {
     const select = document.getElementById('locale-select');
     const newLocale = select.value;
     if (newLocale && newLocale !== currentLocale) {
@@ -244,6 +253,26 @@ function updateLocaleSelect() {
     }
 }
 
+// Note: updateAllText calls functions from other modules via late-bound references.
+// These are set from app.js after all modules are loaded.
+let _updatePlaybackState = null;
+let _updateConnectionStatus = null;
+let _loadScriptsTable = null;
+let _loadCallbacksTable = null;
+let _loadLinksTable = null;
+let _displayQuickAccess = null;
+let _renderAccentSwatches = null;
+
+export function registerUpdateCallbacks(callbacks) {
+    _updatePlaybackState = callbacks.updatePlaybackState;
+    _updateConnectionStatus = callbacks.updateConnectionStatus;
+    _loadScriptsTable = callbacks.loadScriptsTable;
+    _loadCallbacksTable = callbacks.loadCallbacksTable;
+    _loadLinksTable = callbacks.loadLinksTable;
+    _displayQuickAccess = callbacks.displayQuickAccess;
+    _renderAccentSwatches = callbacks.renderAccentSwatches;
+}
+
 function updateAllText() {
     document.querySelectorAll('[data-i18n]').forEach(el => {
         const key = el.getAttribute('data-i18n');
@@ -259,9 +288,9 @@ function updateAllText() {
     });
 
     // Re-apply dynamic content with new translations
-    updatePlaybackState(currentState);
+    if (_updatePlaybackState) _updatePlaybackState(currentState);
     const connected = ws && ws.readyState === WebSocket.OPEN;
-    updateConnectionStatus(connected);
+    if (_updateConnectionStatus) _updateConnectionStatus(connected);
 
     if (lastStatus) {
         const fallbackTitle = lastStatus.state === 'idle' ? t('player.no_media') : t('player.title_unavailable');
@@ -271,17 +300,16 @@ function updateAllText() {
         document.getElementById('sourceIcon').innerHTML = initSrc?.icon || '';
     }
 
-    const token = localStorage.getItem('media_server_token');
-    if (token) {
-        loadScriptsTable();
-        loadCallbacksTable();
-        loadLinksTable();
-        displayQuickAccess();
+    if (hasCredentials()) {
+        if (_loadScriptsTable) _loadScriptsTable();
+        if (_loadCallbacksTable) _loadCallbacksTable();
+        if (_loadLinksTable) _loadLinksTable();
+        if (_displayQuickAccess) _displayQuickAccess();
     }
-    renderAccentSwatches();
+    if (_renderAccentSwatches) _renderAccentSwatches();
 }
 
-async function fetchVersion() {
+export async function fetchVersion() {
     try {
         const response = await fetch('/api/health');
         if (response.ok) {
@@ -290,30 +318,53 @@ async function fetchVersion() {
             if (data.version) {
                 label.textContent = `v${data.version}`;
             }
+            if (data.update_available) {
+                showUpdateBanner(data.update_available);
+            }
         }
     } catch (error) {
         console.error('Error fetching version:', error);
     }
 }
 
+export function showUpdateBanner(update) {
+    const dismissed = sessionStorage.getItem('update_dismissed');
+    if (dismissed === update.latest) return;
+
+    const banner = document.getElementById('updateBanner');
+    const text = document.getElementById('updateBannerText');
+    const link = document.getElementById('updateBannerLink');
+    const closeBtn = document.getElementById('updateBannerClose');
+
+    text.textContent = t('update.available', { version: update.latest });
+    link.href = update.url;
+    link.textContent = t('update.view_release');
+    banner.classList.remove('hidden');
+
+    closeBtn.onclick = () => {
+        banner.classList.add('hidden');
+        sessionStorage.setItem('update_dismissed', update.latest);
+    };
+}
+
 // ============================================================
 // Shared Utilities
 // ============================================================
 
-function formatTime(seconds) {
+export function formatTime(seconds) {
     if (!seconds || seconds < 0) return '0:00';
     const mins = Math.floor(seconds / 60);
     const secs = Math.floor(seconds % 60);
     return `${mins}:${secs.toString().padStart(2, '0')}`;
 }
 
-function escapeHtml(text) {
+export function escapeHtml(text) {
     const div = document.createElement('div');
     div.textContent = text;
     return div.innerHTML;
 }
 
-function showToast(message, type = 'success') {
+export function showToast(message, type = 'success') {
     const container = document.getElementById('toast-container');
     const toast = document.createElement('div');
     toast.className = `toast ${type}`;
@@ -331,7 +382,7 @@ function showToast(message, type = 'success') {
     }, TOAST_DURATION_MS);
 }
 
-function closeDialog(dialog) {
+export function closeDialog(dialog) {
     dialog.classList.add('dialog-closing');
     dialog.addEventListener('animationend', () => {
         dialog.classList.remove('dialog-closing');
@@ -339,7 +390,7 @@ function closeDialog(dialog) {
     }, { once: true });
 }
 
-function showConfirm(message) {
+export function showConfirm(message) {
     return new Promise((resolve) => {
         const dialog = document.getElementById('confirmDialog');
         const msg = document.getElementById('confirmDialogMessage');
@@ -367,19 +418,39 @@ function showConfirm(message) {
     });
 }
 
+// ============================================================
+// Auth Helpers
+// ============================================================
+
+// Set to false when server reports auth_required: false
+export let authRequired = true;
+export function setAuthRequired(value) { authRequired = value; }
+
+/**
+ * Build Authorization headers for API requests.
+ * Returns empty object when auth is disabled or no token is stored.
+ */
+export function getAuthHeaders() {
+    const token = localStorage.getItem('media_server_token');
+    return token ? { 'Authorization': `Bearer ${token}` } : {};
+}
+
+/**
+ * Check if we have sufficient credentials to call the API.
+ * True when auth is disabled OR a token is stored.
+ */
+export function hasCredentials() {
+    return !authRequired || !!localStorage.getItem('media_server_token');
+}
+
 // ============================================================
 // API Commands
 // ============================================================
 
-async function sendCommand(endpoint, body = null) {
-    const token = localStorage.getItem('media_server_token');
-
+export async function sendCommand(endpoint, body = null) {
     const options = {
         method: 'POST',
-        headers: {
-            'Authorization': `Bearer ${token}`,
-            'Content-Type': 'application/json'
-        }
+        headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
     };
 
     if (body) {
@@ -399,7 +470,7 @@ async function sendCommand(endpoint, body = null) {
     }
 }
 
-function togglePlayPause() {
+export function togglePlayPause() {
     if (currentState === 'playing') {
         sendCommand('pause');
     } else {
@@ -407,16 +478,16 @@ function togglePlayPause() {
     }
 }
 
-function nextTrack() {
+export function nextTrack() {
     sendCommand('next');
 }
 
-function previousTrack() {
+export function previousTrack() {
     sendCommand('previous');
 }
 
 let lastSentVolume = -1;
-function setVolume(volume) {
+export function setVolume(volume) {
     if (volume === lastSentVolume) return;
     lastSentVolume = volume;
     if (ws && ws.readyState === WebSocket.OPEN) {
@@ -426,11 +497,11 @@ function setVolume(volume) {
     }
 }
 
-function toggleMute() {
+export function toggleMute() {
     sendCommand('mute');
 }
 
-function seek(position) {
+export function seek(position) {
     sendCommand('seek', { position: position });
 }
 
@@ -448,7 +519,7 @@ function _persistMdiCache() {
     try { localStorage.setItem('mdiIconCache', JSON.stringify(mdiIconCache)); } catch {}
 }
 
-async function fetchMdiIcon(iconName) {
+export async function fetchMdiIcon(iconName) {
     const name = iconName.replace(/^mdi:/, '');
     if (mdiIconCache[name]) return mdiIconCache[name];
 
@@ -467,7 +538,7 @@ async function fetchMdiIcon(iconName) {
     return '<svg viewBox="0 0 24 24" width="16" height="16"><path fill="currentColor" d="M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z"/></svg>';
 }
 
-async function resolveMdiIcons(container) {
+export async function resolveMdiIcons(container) {
     const els = container.querySelectorAll('[data-mdi-icon]');
     await Promise.all(Array.from(els).map(async (el) => {
         const icon = el.dataset.mdiIcon;
@@ -477,7 +548,7 @@ async function resolveMdiIcons(container) {
     }));
 }
 
-function setupIconPreview(inputId, previewId) {
+export function setupIconPreview(inputId, previewId) {
     const input = document.getElementById(inputId);
     const preview = document.getElementById(previewId);
     if (!input || !preview) return;

media_server/static/js/icon-select.js

@@ -0,0 +1,160 @@
+// ============================================================
+// IconSelect: visual icon-grid selector (replaces <select>)
+// Ported from wled-screen-controller (TypeScript → vanilla JS)
+//
+// Trigger replaces the <select> inline. Popup is absolutely
+// positioned inside a wrapper that sits next to the trigger.
+// Works inside <dialog showModal()> — dialog must have
+// overflow: visible.
+// ============================================================
+
+const POPUP_CLASS = 'icon-select-popup';
+
+let _globalListenerAdded = false;
+
+export function closeAllIconSelects() {
+    document.querySelectorAll(`.${POPUP_CLASS}.open`).forEach(p => {
+        p.classList.remove('open');
+    });
+}
+
+function _ensureGlobalListener() {
+    if (_globalListenerAdded) return;
+    _globalListenerAdded = true;
+    document.addEventListener('click', (e) => {
+        if (!e.target.closest(`.${POPUP_CLASS}`) && !e.target.closest('.icon-select-trigger')) {
+            closeAllIconSelects();
+        }
+    });
+    document.addEventListener('keydown', (e) => {
+        if (e.key === 'Escape') closeAllIconSelects();
+    });
+}
+
+export class IconSelect {
+    constructor({ target, items, onChange, columns = 2, placeholder = '', horizontal = false }) {
+        _ensureGlobalListener();
+
+        this._select = target;
+        this._items = items;
+        this._onChange = onChange;
+        this._columns = columns;
+        this._placeholder = placeholder;
+        this._horizontal = horizontal;
+
+        // Hide native select
+        this._select.style.display = 'none';
+
+        // Trigger button (replaces select visually)
+        this._trigger = document.createElement('button');
+        this._trigger.type = 'button';
+        this._trigger.className = 'icon-select-trigger';
+        this._trigger.addEventListener('click', (e) => {
+            e.stopPropagation();
+            this._toggle();
+        });
+        this._select.parentNode.insertBefore(this._trigger, this._select.nextSibling);
+
+        // Popup — absolutely positioned, appended to dialog (overflow:visible)
+        // or body, escaping any scrollable ancestors
+        this._popup = document.createElement('div');
+        this._popup.className = POPUP_CLASS;
+        this._popup.addEventListener('click', (e) => e.stopPropagation());
+        this._popup.innerHTML = this._buildGrid();
+
+        const portal = this._select.closest('dialog') || document.body;
+        portal.appendChild(this._popup);
+
+        this._bindCells();
+        this._syncTrigger();
+    }
+
+    _buildGrid() {
+        const cells = this._items.map(item =>
+            `<div class="icon-select-cell" data-value="${item.value}">
+                <span class="icon-select-cell-icon">${item.icon}</span>
+                <span class="icon-select-cell-label">${item.label}</span>
+                ${item.desc ? `<span class="icon-select-cell-desc">${item.desc}</span>` : ''}
+            </div>`
+        ).join('');
+
+        const cls = 'icon-select-grid' + (this._horizontal ? ' icon-select-grid--horizontal' : '');
+        return `<div class="${cls}" style="grid-template-columns:repeat(${this._columns},1fr)">${cells}</div>`;
+    }
+
+    _bindCells() {
+        this._popup.querySelectorAll('.icon-select-cell').forEach(cell => {
+            cell.addEventListener('click', () => {
+                this.setValue(cell.dataset.value, true);
+                this._popup.classList.remove('open');
+            });
+        });
+    }
+
+    _syncTrigger() {
+        const val = this._select.value;
+        const item = this._items.find(i => i.value === val);
+        if (item) {
+            this._trigger.innerHTML =
+                `<span class="icon-select-trigger-icon">${item.icon}</span>` +
+                `<span class="icon-select-trigger-label">${item.label}</span>` +
+                `<span class="icon-select-trigger-arrow">&#x25BE;</span>`;
+        } else if (this._placeholder) {
+            this._trigger.innerHTML =
+                `<span class="icon-select-trigger-label">${this._placeholder}</span>` +
+                `<span class="icon-select-trigger-arrow">&#x25BE;</span>`;
+        }
+        this._popup.querySelectorAll('.icon-select-cell').forEach(cell => {
+            cell.classList.toggle('active', cell.dataset.value === val);
+        });
+    }
+
+    _positionPopup() {
+        // Get trigger position relative to the popup's offset parent
+        // (the dialog or body). Use getBoundingClientRect for both and
+        // compute the offset.
+        const triggerRect = this._trigger.getBoundingClientRect();
+        const parentRect = this._popup.offsetParent
+            ? this._popup.offsetParent.getBoundingClientRect()
+            : { left: 0, top: 0 };
+
+        const relTop = triggerRect.bottom - parentRect.top;
+        const relLeft = triggerRect.left - parentRect.left;
+        const popupW = Math.max(triggerRect.width, 200);
+
+        this._popup.style.left = relLeft + 'px';
+        this._popup.style.top = (relTop + 4) + 'px';
+        this._popup.style.width = popupW + 'px';
+    }
+
+    _toggle() {
+        const wasOpen = this._popup.classList.contains('open');
+        closeAllIconSelects();
+        if (!wasOpen) {
+            this._positionPopup();
+            this._popup.classList.add('open');
+        }
+    }
+
+    setValue(value, fireChange = false) {
+        this._select.value = value;
+        this._syncTrigger();
+        if (fireChange) {
+            this._select.dispatchEvent(new Event('change', { bubbles: true }));
+            if (this._onChange) this._onChange(value);
+        }
+    }
+
+    updateItems(items) {
+        this._items = items;
+        this._popup.innerHTML = this._buildGrid();
+        this._bindCells();
+        this._syncTrigger();
+    }
+
+    destroy() {
+        this._trigger.remove();
+        this._popup.remove();
+        this._select.style.display = '';
+    }
+}

media_server/static/js/icons.js

@@ -0,0 +1,31 @@
+// ============================================================
+// SVG icon library for icon-select grids
+// Simple inline SVGs (24x24 viewBox, fill="currentColor")
+// ============================================================
+
+const _svg = (path) =>
+    `<svg viewBox="0 0 24 24" fill="currentColor" xmlns="http://www.w3.org/2000/svg">${path}</svg>`;
+
+// Parameter types
+export const paramTypeIcons = {
+    string:  _svg('<path d="M3 7V5h18v2H3zm0 12v-2h12v2H3zm0-6v-2h18v2H3z"/>'),
+    integer: _svg('<path d="M4 17V7h2v4h3V7h2v10h-2v-4H6v4H4zm10-1h2v1h2v-4h-2v1h-2V9h6v8h-6v-1z"/>'),
+    float:   _svg('<path d="M5 17V7h2v4h3V7h2v10H9v-4H7v4H5zm9.5 0v-2a1 1 0 1 1 0-2h1v-2h-1a3 3 0 0 0 0 6h1v2h-1zm3-6v2h1a1 1 0 1 1 0 2h-1v2h1a3 3 0 0 0 0-6h-1z"/>'),
+    boolean: _svg('<path d="M17 7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h10c2.76 0 5-2.24 5-5s-2.24-5-5-5zm0 8c-1.66 0-3-1.34-3-3s1.34-3 3-3 3 1.34 3 3-1.34 3-3 3z"/>'),
+    select:  _svg('<path d="M3 5h18v2H3V5zm4 6h10v2H7v-2zm-4 6h18v2H3v-2z"/><path d="M7 7l5 5 5-5"/>'),
+};
+
+// Callback events
+export const callbackEventIcons = {
+    on_play:     _svg('<path d="M8 5v14l11-7z"/>'),
+    on_pause:    _svg('<path d="M6 4h4v16H6V4zm8 0h4v16h-4V4z"/>'),
+    on_stop:     _svg('<path d="M6 6h12v12H6z"/>'),
+    on_next:     _svg('<path d="M6 18l8.5-6L6 6v12zM16 6v12h2V6h-2z"/>'),
+    on_previous: _svg('<path d="M6 6h2v12H6V6zm3.5 6l8.5 6V6l-8.5 6z"/>'),
+    on_volume:   _svg('<path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3A4.5 4.5 0 0 0 14 8.5v7a4.5 4.5 0 0 0 2.5-3.5zM14 3.23v2.06c2.89.86 5 3.54 5 6.71s-2.11 5.85-5 6.71v2.06c4.01-.91 7-4.49 7-8.77s-2.99-7.86-7-8.77z"/>'),
+    on_mute:     _svg('<path d="M16.5 12A4.5 4.5 0 0 0 14 8.5v2.09l2.41 2.41c.06-.31.09-.65.09-1zM19 12c0 .94-.2 1.82-.54 2.64l1.51 1.51A8.796 8.796 0 0 0 21 12c0-4.28-2.99-7.86-7-8.77v2.06c2.89.86 5 3.54 5 6.71zM4.27 3L3 4.27 7.73 9H3v6h4l5 5v-6.73l4.25 4.25c-.67.52-1.42.93-2.25 1.18v2.06a8.99 8.99 0 0 0 3.69-1.81L19.73 21 21 19.73l-9-9L4.27 3zM12 4L9.91 6.09 12 8.18V4z"/>'),
+    on_seek:     _svg('<path d="M12 5V1L7 6l5 5V7c3.31 0 6 2.69 6 6s-2.69 6-6 6-6-2.69-6-6H4c0 4.42 3.58 8 8 8s8-3.58 8-8-3.58-8-8-8z"/>'),
+    on_turn_on:  _svg('<path d="M13 3h-2v10h2V3zm4.83 2.17l-1.42 1.42A6.92 6.92 0 0 1 19 12c0 3.87-3.13 7-7 7s-7-3.13-7-7c0-2.27 1.08-4.28 2.76-5.56L6.34 5.02A8.96 8.96 0 0 0 3 12c0 4.97 4.03 9 9 9s9-4.03 9-9a8.96 8.96 0 0 0-3.17-6.83z"/>'),
+    on_turn_off: _svg('<path d="M13 3h-2v10h2V3zm4.83 2.17l-1.42 1.42A6.92 6.92 0 0 1 19 12c0 3.87-3.13 7-7 7s-7-3.13-7-7c0-2.27 1.08-4.28 2.76-5.56L6.34 5.02A8.96 8.96 0 0 0 3 12c0 4.97 4.03 9 9 9s9-4.03 9-9a8.96 8.96 0 0 0-3.17-6.83z"/>'),
+    on_toggle:   _svg('<path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm-2 15l-5-5 1.41-1.41L10 14.17l7.59-7.59L19 8l-9 9z"/>'),
+};

media_server/static/js/links.js

@@ -1,20 +1,21 @@
 // ============================================================
-// Display Brightness & Power Control
+// Display Brightness & Power Control + Links Management
 // ============================================================
 
+import { t, showToast, escapeHtml, closeDialog, showConfirm, resolveMdiIcons, fetchMdiIcon, getAuthHeaders, hasCredentials } from './core.js';
+
 let displayBrightnessTimers = {};
 const DISPLAY_THROTTLE_MS = 50;
 
-async function loadDisplayMonitors() {
-    const token = localStorage.getItem('media_server_token');
-    if (!token) return;
+export async function loadDisplayMonitors() {
+    if (!hasCredentials()) return;
 
     const container = document.getElementById('displayMonitors');
     if (!container) return;
 
     try {
         const response = await fetch('/api/display/monitors?refresh=true', {
-            headers: { 'Authorization': `Bearer ${token}` }
+            headers: getAuthHeaders()
         });
 
         if (!response.ok) {
@@ -86,7 +87,7 @@ async function loadDisplayMonitors() {
     }
 }
 
-function onDisplayBrightnessInput(monitorId, value) {
+export function onDisplayBrightnessInput(monitorId, value) {
     const label = document.getElementById(`brightness-val-${monitorId}`);
     if (label) label.textContent = `${value}%`;
 
@@ -97,7 +98,7 @@ function onDisplayBrightnessInput(monitorId, value) {
     }, DISPLAY_THROTTLE_MS);
 }
 
-function onDisplayBrightnessChange(monitorId, value) {
+export function onDisplayBrightnessChange(monitorId, value) {
     if (displayBrightnessTimers[monitorId]) {
         clearTimeout(displayBrightnessTimers[monitorId]);
         displayBrightnessTimers[monitorId] = null;
@@ -106,14 +107,10 @@ function onDisplayBrightnessChange(monitorId, value) {
 }
 
 async function sendDisplayBrightness(monitorId, brightness) {
-    const token = localStorage.getItem('media_server_token');
     try {
         await fetch(`/api/display/brightness/${monitorId}`, {
             method: 'POST',
-            headers: {
-                'Authorization': `Bearer ${token}`,
-                'Content-Type': 'application/json'
-            },
+            headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
             body: JSON.stringify({ brightness })
         });
     } catch (e) {
@@ -121,19 +118,15 @@ async function sendDisplayBrightness(monitorId, brightness) {
     }
 }
 
-async function toggleDisplayPower(monitorId, monitorName) {
+export async function toggleDisplayPower(monitorId, monitorName) {
     const btn = document.getElementById(`power-btn-${monitorId}`);
     const isOn = btn && btn.classList.contains('on');
     const newState = !isOn;
 
-    const token = localStorage.getItem('media_server_token');
     try {
         const response = await fetch(`/api/display/power/${monitorId}`, {
             method: 'POST',
-            headers: {
-                'Authorization': `Bearer ${token}`,
-                'Content-Type': 'application/json'
-            },
+            headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
             body: JSON.stringify({ on: newState })
         });
         const data = await response.json();
@@ -157,16 +150,15 @@ async function toggleDisplayPower(monitorId, monitorName) {
 // Header Quick Links
 // ============================================================
 
-async function loadHeaderLinks() {
-    const token = localStorage.getItem('media_server_token');
-    if (!token) return;
+export async function loadHeaderLinks() {
+    if (!hasCredentials()) return;
 
     const container = document.getElementById('headerLinks');
     if (!container) return;
 
     try {
         const response = await fetch('/api/links/list', {
-            headers: { 'Authorization': `Bearer ${token}` }
+            headers: getAuthHeaders()
         });
 
         if (!response.ok) return;
@@ -197,9 +189,10 @@ async function loadHeaderLinks() {
 // ============================================================
 
 let _loadLinksPromise = null;
-let linkFormDirty = false;
+export let linkFormDirty = false;
+export function setLinkFormDirty(value) { linkFormDirty = value; }
 
-async function loadLinksTable() {
+export async function loadLinksTable() {
     if (_loadLinksPromise) return _loadLinksPromise;
     _loadLinksPromise = _loadLinksTableImpl();
     _loadLinksPromise.finally(() => { _loadLinksPromise = null; });
@@ -207,12 +200,11 @@ async function loadLinksTable() {
 }
 
 async function _loadLinksTableImpl() {
-    const token = localStorage.getItem('media_server_token');
     const tbody = document.getElementById('linksTableBody');
 
     try {
         const response = await fetch('/api/links/list', {
-            headers: { 'Authorization': `Bearer ${token}` }
+            headers: getAuthHeaders()
         });
 
         if (!response.ok) {
@@ -251,7 +243,7 @@ async function _loadLinksTableImpl() {
     }
 }
 
-function showAddLinkDialog() {
+export function showAddLinkDialog() {
     const dialog = document.getElementById('linkDialog');
     const form = document.getElementById('linkForm');
     const title = document.getElementById('linkDialogTitle');
@@ -269,14 +261,13 @@ function showAddLinkDialog() {
     dialog.showModal();
 }
 
-async function showEditLinkDialog(linkName) {
-    const token = localStorage.getItem('media_server_token');
+export async function showEditLinkDialog(linkName) {
     const dialog = document.getElementById('linkDialog');
     const title = document.getElementById('linkDialogTitle');
 
     try {
         const response = await fetch('/api/links/list', {
-            headers: { 'Authorization': `Bearer ${token}` }
+            headers: getAuthHeaders()
         });
 
         if (!response.ok) {
@@ -320,7 +311,7 @@ async function showEditLinkDialog(linkName) {
     }
 }
 
-async function closeLinkDialog() {
+export async function closeLinkDialog() {
     if (linkFormDirty) {
         if (!await showConfirm(t('links.confirm.unsaved'))) {
             return;
@@ -333,13 +324,12 @@ async function closeLinkDialog() {
     document.body.classList.remove('dialog-open');
 }
 
-async function saveLink(event) {
+export async function saveLink(event) {
     event.preventDefault();
 
     const submitBtn = event.target.querySelector('button[type="submit"]');
     if (submitBtn) submitBtn.disabled = true;
 
-    const token = localStorage.getItem('media_server_token');
     const isEdit = document.getElementById('linkIsEdit').value === 'true';
     const linkName = isEdit ?
         document.getElementById('linkOriginalName').value :
@@ -361,10 +351,7 @@ async function saveLink(event) {
     try {
         const response = await fetch(endpoint, {
             method,
-            headers: {
-                'Authorization': `Bearer ${token}`,
-                'Content-Type': 'application/json'
-            },
+            headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
             body: JSON.stringify(data)
         });
 
@@ -385,19 +372,15 @@ async function saveLink(event) {
     }
 }
 
-async function deleteLinkConfirm(linkName) {
+export async function deleteLinkConfirm(linkName) {
     if (!await showConfirm(t('links.confirm.delete').replace('{name}', linkName))) {
         return;
     }
 
-    const token = localStorage.getItem('media_server_token');
-
     try {
         const response = await fetch(`/api/links/delete/${linkName}`, {
             method: 'DELETE',
-            headers: {
-                'Authorization': `Bearer ${token}`
-            }
+            headers: getAuthHeaders()
         });
 
         const result = await response.json();

media_server/static/js/player.js

@@ -2,10 +2,23 @@
 // Player: Tabs, theme, accent, vinyl, visualizer, UI updates
 // ============================================================
 
-// Tab management
-let activeTab = 'player';
+import {
+    dom, t, formatTime, showToast, resolveMediaSource,
+    SVG_PLAY, SVG_PAUSE, SVG_STOP, SVG_IDLE, SVG_MUTED, SVG_UNMUTED,
+    ws, currentState, setCurrentState, currentDuration, setCurrentDuration,
+    currentPosition, setCurrentPosition, isUserAdjustingVolume,
+    lastStatus, setLastStatus, currentPlayState, setCurrentPlayState,
+    POSITION_INTERPOLATION_MS, seek,
+    getAuthHeaders, hasCredentials,
+} from './core.js';
+import { updateBackgroundColors } from './background.js';
+import { loadDisplayMonitors } from './links.js';
+import { IconSelect } from './icon-select.js';
 
-function setMiniPlayerVisible(visible) {
+// Tab management
+export let activeTab = 'player';
+
+export function setMiniPlayerVisible(visible) {
     const miniPlayer = document.getElementById('mini-player');
     if (visible) {
         miniPlayer.classList.remove('hidden');
@@ -16,7 +29,7 @@ function setMiniPlayerVisible(visible) {
     }
 }
 
-function updateTabIndicator(btn, animate = true) {
+export function updateTabIndicator(btn, animate = true) {
     const indicator = document.getElementById('tabIndicator');
     if (!indicator || !btn) return;
     const tabBar = document.getElementById('tabBar');
@@ -32,7 +45,7 @@ function updateTabIndicator(btn, animate = true) {
     }
 }
 
-function switchTab(tabName) {
+export function switchTab(tabName) {
     activeTab = tabName;
 
     document.querySelectorAll('[data-tab-content]').forEach(el => {
@@ -75,12 +88,12 @@ function switchTab(tabName) {
 }
 
 // Theme management
-function initTheme() {
+export function initTheme() {
     const savedTheme = localStorage.getItem('theme') || 'dark';
     setTheme(savedTheme);
 }
 
-function setTheme(theme) {
+export function setTheme(theme) {
     document.documentElement.setAttribute('data-theme', theme);
     localStorage.setItem('theme', theme);
 
@@ -99,16 +112,18 @@ function setTheme(theme) {
     if (metaThemeColor) {
         metaThemeColor.setAttribute('content', theme === 'light' ? '#ffffff' : '#121212');
     }
+
+    updateBackgroundColors();
 }
 
-function toggleTheme() {
+export function toggleTheme() {
     const currentTheme = document.documentElement.getAttribute('data-theme') || 'dark';
     const newTheme = currentTheme === 'dark' ? 'light' : 'dark';
     setTheme(newTheme);
 }
 
 // Accent color management
-const accentPresets = [
+export const accentPresets = [
     { name: 'Green', color: '#1db954', hover: '#1ed760' },
     { name: 'Blue', color: '#3b82f6', hover: '#60a5fa' },
     { name: 'Purple', color: '#8b5cf6', hover: '#a78bfa' },
@@ -120,7 +135,7 @@ const accentPresets = [
     { name: 'Yellow', color: '#eab308', hover: '#facc15' },
 ];
 
-function lightenColor(hex, percent) {
+export function lightenColor(hex, percent) {
     const num = parseInt(hex.replace('#', ''), 16);
     const r = Math.min(255, (num >> 16) + Math.round(255 * percent / 100));
     const g = Math.min(255, ((num >> 8) & 0xff) + Math.round(255 * percent / 100));
@@ -128,7 +143,7 @@ function lightenColor(hex, percent) {
     return `#${((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1)}`;
 }
 
-function initAccentColor() {
+export function initAccentColor() {
     const saved = localStorage.getItem('accentColor');
     if (saved) {
         const preset = accentPresets.find(p => p.color === saved);
@@ -141,15 +156,16 @@ function initAccentColor() {
     renderAccentSwatches();
 }
 
-function applyAccentColor(color, hover) {
+export function applyAccentColor(color, hover) {
     document.documentElement.style.setProperty('--accent', color);
     document.documentElement.style.setProperty('--accent-hover', hover);
     localStorage.setItem('accentColor', color);
     const dot = document.getElementById('accentDot');
     if (dot) dot.style.background = color;
+    updateBackgroundColors();
 }
 
-function renderAccentSwatches() {
+export function renderAccentSwatches() {
     const dropdown = document.getElementById('accentDropdown');
     if (!dropdown) return;
     const current = localStorage.getItem('accentColor') || '#1db954';
@@ -174,13 +190,13 @@ function renderAccentSwatches() {
     dropdown.innerHTML = swatches + customRow;
 }
 
-function selectAccentColor(color, hover) {
+export function selectAccentColor(color, hover) {
     applyAccentColor(color, hover);
     renderAccentSwatches();
     document.getElementById('accentDropdown').classList.remove('open');
 }
 
-function toggleAccentPicker() {
+export function toggleAccentPicker() {
     document.getElementById('accentDropdown').classList.toggle('open');
 }
 
@@ -222,14 +238,14 @@ function restoreVinylAngle() {
 setInterval(saveVinylAngle, 2000);
 window.addEventListener('beforeunload', saveVinylAngle);
 
-function toggleVinylMode() {
+export function toggleVinylMode() {
     if (vinylMode) saveVinylAngle();
     vinylMode = !vinylMode;
     localStorage.setItem('vinylMode', vinylMode);
     applyVinylMode();
 }
 
-function applyVinylMode() {
+export function applyVinylMode() {
     const container = document.querySelector('.album-art-container');
     const btn = document.getElementById('vinylToggle');
     if (!container) return;
@@ -257,19 +273,19 @@ function updateVinylSpin() {
 }
 
 // Audio Visualizer
-let visualizerEnabled = localStorage.getItem('visualizerEnabled') === 'true';
-let visualizerAvailable = false;
+export let visualizerEnabled = localStorage.getItem('visualizerEnabled') === 'true';
+export let visualizerAvailable = false;
 let visualizerCtx = null;
 let visualizerAnimFrame = null;
-let frequencyData = null;
+export let frequencyData = null;
+export function setFrequencyData(value) { frequencyData = value; }
 let smoothedFrequencies = null;
 const VISUALIZER_SMOOTHING = 0.15;
 
-async function checkVisualizerAvailability() {
+export async function checkVisualizerAvailability() {
     try {
-        const token = localStorage.getItem('media_server_token');
         const resp = await fetch('/api/media/visualizer/status', {
-            headers: { 'Authorization': `Bearer ${token}` }
+            headers: getAuthHeaders()
         });
         if (resp.ok) {
             const data = await resp.json();
@@ -282,13 +298,13 @@ async function checkVisualizerAvailability() {
     if (btn) btn.style.display = visualizerAvailable ? '' : 'none';
 }
 
-function toggleVisualizer() {
+export function toggleVisualizer() {
     visualizerEnabled = !visualizerEnabled;
     localStorage.setItem('visualizerEnabled', visualizerEnabled);
     applyVisualizerMode();
 }
 
-function applyVisualizerMode() {
+export function applyVisualizerMode() {
     const container = document.querySelector('.album-art-container');
     const btn = document.getElementById('visualizerToggle');
     if (!container) return;
@@ -330,7 +346,7 @@ function startVisualizerRender() {
     renderVisualizerFrame();
 }
 
-function stopVisualizerRender() {
+export function stopVisualizerRender() {
     if (visualizerAnimFrame) {
         cancelAnimationFrame(visualizerAnimFrame);
         visualizerAnimFrame = null;
@@ -407,20 +423,20 @@ function renderVisualizerFrame() {
 }
 
 // Audio device selection
-async function loadAudioDevices() {
+let _audioDeviceIconSelect = null;
+
+export async function loadAudioDevices() {
     const section = document.getElementById('audioDeviceSection');
     const select = document.getElementById('audioDeviceSelect');
     if (!section || !select) return;
 
     try {
-        const token = localStorage.getItem('media_server_token');
-
         const [devicesResp, statusResp] = await Promise.all([
             fetch('/api/media/visualizer/devices', {
-                headers: { 'Authorization': `Bearer ${token}` }
+                headers: getAuthHeaders()
             }),
             fetch('/api/media/visualizer/status', {
-                headers: { 'Authorization': `Bearer ${token}` }
+                headers: getAuthHeaders()
             })
         ]);
 
@@ -453,6 +469,22 @@ async function loadAudioDevices() {
             }
         }
 
+        // Enhance with icon grid
+        const audioSvg = '<svg viewBox="0 0 24 24" fill="currentColor"><path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3A4.5 4.5 0 0 0 14 8.5v7a4.5 4.5 0 0 0 2.5-3.5z"/></svg>';
+        const items = [
+            { value: '', icon: audioSvg, label: t('settings.audio.auto') },
+            ...devices.map(dev => ({ value: dev.name, icon: audioSvg, label: dev.name })),
+        ];
+        if (_audioDeviceIconSelect) _audioDeviceIconSelect.destroy();
+        _audioDeviceIconSelect = new IconSelect({
+            target: select,
+            items,
+            columns: 1,
+            horizontal: true,
+            onChange: () => onAudioDeviceChanged(),
+        });
+        _audioDeviceIconSelect.setValue(select.value, false);
+
         updateAudioDeviceStatus(status);
     } catch (e) {
         section.style.display = 'none';
@@ -475,26 +507,22 @@ function updateAudioDeviceStatus(status) {
     }
 }
 
-async function onAudioDeviceChanged() {
+export async function onAudioDeviceChanged() {
     const select = document.getElementById('audioDeviceSelect');
     if (!select) return;
 
     const deviceName = select.value || null;
-    const token = localStorage.getItem('media_server_token');
 
     try {
         const resp = await fetch('/api/media/visualizer/device', {
             method: 'POST',
-            headers: {
-                'Authorization': `Bearer ${token}`,
-                'Content-Type': 'application/json'
-            },
+            headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
             body: JSON.stringify({ device_name: deviceName })
         });
 
         if (resp.ok) {
             const result = await resp.json();
-            updateAudioDeviceStatus(result);
+            updateAudioDeviceStatus({ available: result.success, ...result });
             await checkVisualizerAvailability();
             if (visualizerEnabled) applyVisualizerMode();
             showToast(t('settings.audio.device_changed'), 'success');
@@ -516,7 +544,7 @@ let lastPositionUpdate = 0;
 let lastPositionValue = 0;
 let interpolationInterval = null;
 
-function setupProgressDrag(bar, fill) {
+export function setupProgressDrag(bar, fill) {
     let dragging = false;
 
     function getPercent(clientX) {
@@ -568,8 +596,8 @@ function setupProgressDrag(bar, fill) {
     });
 }
 
-function updateUI(status) {
-    lastStatus = status;
+export function updateUI(status) {
+    setLastStatus(status);
 
     const fallbackTitle = status.state === 'idle' ? t('player.no_media') : t('player.title_unavailable');
     dom.trackTitle.textContent = status.title || fallbackTitle;
@@ -580,7 +608,7 @@ function updateUI(status) {
     dom.miniArtist.textContent = status.artist || '';
 
     const previousState = currentState;
-    currentState = status.state;
+    setCurrentState(status.state);
     updatePlaybackState(status.state);
 
     const altText = status.title && status.artist
@@ -597,9 +625,8 @@ function updateUI(status) {
         const placeholderArt = "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 300'%3E%3Crect fill='%23282828' width='300' height='300'/%3E%3Cpath fill='%236a6a6a' d='M150 80c-38.66 0-70 31.34-70 70s31.34 70 70 70 70-31.34 70-70-31.34-70-70-70zm0 20c27.614 0 50 22.386 50 50s-22.386 50-50 50-50-22.386-50-50 22.386-50 50-50zm0 30a20 20 0 100 40 20 20 0 000-40z'/%3E%3C/svg%3E";
         const placeholderGlow = "data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 300 300'%3E%3Crect fill='%23282828' width='300' height='300'/%3E%3C/svg%3E";
         if (artworkSource) {
-            const token = localStorage.getItem('media_server_token');
             fetch(`/api/media/artwork?_=${Date.now()}`, {
-                headers: { 'Authorization': `Bearer ${token}` }
+                headers: getAuthHeaders()
             })
             .then(r => r.ok ? r.blob() : null)
             .then(blob => {
@@ -625,8 +652,8 @@ function updateUI(status) {
     }
 
     if (status.duration && status.position !== null) {
-        currentDuration = status.duration;
-        currentPosition = status.position;
+        setCurrentDuration(status.duration);
+        setCurrentPosition(status.position);
         lastPositionUpdate = Date.now();
         lastPositionValue = status.position;
         updateProgress(status.position, status.duration);
@@ -658,8 +685,8 @@ function updateUI(status) {
     }
 }
 
-function updatePlaybackState(state) {
-    currentPlayState = state;
+export function updatePlaybackState(state) {
+    setCurrentPlayState(state);
     switch(state) {
         case 'playing':
             dom.playbackState.textContent = t('state.playing');
@@ -712,7 +739,7 @@ function updateProgress(position, duration) {
     miniBar.setAttribute('aria-valuemax', durRound);
 }
 
-function startPositionInterpolation() {
+export function startPositionInterpolation() {
     if (interpolationInterval) {
         clearInterval(interpolationInterval);
     }
@@ -725,7 +752,7 @@ function startPositionInterpolation() {
     }, POSITION_INTERPOLATION_MS);
 }
 
-function stopPositionInterpolation() {
+export function stopPositionInterpolation() {
     if (interpolationInterval) {
         clearInterval(interpolationInterval);
         interpolationInterval = null;

media_server/static/js/scripts.js

@@ -2,20 +2,26 @@
 // Scripts: CRUD, quick access, execution dialog
 // ============================================================
 
-let scriptFormDirty = false;
+import {
+    t, showToast, escapeHtml, closeDialog, showConfirm,
+    resolveMdiIcons, fetchMdiIcon,
+    scripts, setScripts,
+    getAuthHeaders, hasCredentials,
+} from './core.js';
+import { IconSelect } from './icon-select.js';
+import { paramTypeIcons } from './icons.js';
 
-async function loadScripts() {
-    const token = localStorage.getItem('media_server_token');
+export let scriptFormDirty = false;
+export function setScriptFormDirty(value) { scriptFormDirty = value; }
 
+export async function loadScripts() {
     try {
         const response = await fetch('/api/scripts/list', {
-            headers: {
-                'Authorization': `Bearer ${token}`
-            }
+            headers: getAuthHeaders()
         });
 
         if (response.ok) {
-            scripts = await response.json();
+            setScripts(await response.json());
             displayQuickAccess();
         }
     } catch (error) {
@@ -24,7 +30,7 @@ async function loadScripts() {
 }
 
 let _quickAccessGen = 0;
-async function displayQuickAccess() {
+export async function displayQuickAccess() {
     const gen = ++_quickAccessGen;
     const grid = document.getElementById('scripts-grid');
 
@@ -60,10 +66,9 @@ async function displayQuickAccess() {
     });
 
     try {
-        const token = localStorage.getItem('media_server_token');
-        if (token) {
+        if (hasCredentials()) {
             const response = await fetch('/api/links/list', {
-                headers: { 'Authorization': `Bearer ${token}` }
+                headers: getAuthHeaders()
             });
             if (gen !== _quickAccessGen) return;
             if (response.ok) {
@@ -116,32 +121,219 @@ async function displayQuickAccess() {
     resolveMdiIcons(grid);
 }
 
-async function executeScript(scriptName, buttonElement) {
-    const token = localStorage.getItem('media_server_token');
-    buttonElement.classList.add('executing');
+function _getScriptParams(scriptName) {
+    const script = scripts.find(s => s.name === scriptName);
+    return (script && script.parameters) ? script.parameters : {};
+}
 
+async function executeScript(scriptName, buttonElement) {
+    const paramDefs = _getScriptParams(scriptName);
+    if (Object.keys(paramDefs).length > 0) {
+        _showParamsInputDialog(scriptName, paramDefs, async (params) => {
+            buttonElement.classList.add('executing');
+            try {
+                await _doExecuteScript(scriptName, params);
+            } finally {
+                buttonElement.classList.remove('executing');
+            }
+        });
+        return;
+    }
+
+    buttonElement.classList.add('executing');
+    try {
+        await _doExecuteScript(scriptName, {});
+    } finally {
+        buttonElement.classList.remove('executing');
+    }
+}
+
+async function _doExecuteScript(scriptName, params) {
     try {
         const response = await fetch(`/api/scripts/execute/${scriptName}`, {
             method: 'POST',
-            headers: {
-                'Authorization': `Bearer ${token}`,
-                'Content-Type': 'application/json'
-            },
-            body: JSON.stringify({ args: [] })
+            headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
+            body: JSON.stringify({ params })
         });
 
         const result = await response.json();
 
         if (response.ok && result.success) {
-            showToast(`${scriptName} executed successfully`, 'success');
+            showToast(t('scripts.msg.executed', { name: scriptName }), 'success');
         } else {
-            showToast(`Failed to execute ${scriptName}`, 'error');
+            showToast(result.detail || t('scripts.msg.execute_failed', { name: scriptName }), 'error');
         }
     } catch (error) {
         console.error(`Error executing script ${scriptName}:`, error);
-        showToast(`Error executing ${scriptName}`, 'error');
-    } finally {
-        buttonElement.classList.remove('executing');
+        showToast(t('scripts.msg.execute_error', { name: scriptName }), 'error');
+    }
+}
+
+// ============================================================
+// Script Parameters Input Dialog (execution-time)
+// ============================================================
+
+let _paramsCallback = null;
+let _paramsScriptName = null;
+let _paramsIconSelects = null;
+
+function _showParamsInputDialog(scriptName, paramDefs, callback) {
+    _paramsCallback = callback;
+    _paramsScriptName = scriptName;
+
+    const dialog = document.getElementById('scriptParamsDialog');
+    const title = document.getElementById('scriptParamsDialogTitle');
+    const container = document.getElementById('scriptParamsInputs');
+
+    const script = scripts.find(s => s.name === scriptName);
+    title.textContent = script ? (script.label || scriptName) : scriptName;
+    container.innerHTML = '';
+
+    // Track IconSelect instances for cleanup
+    if (!_paramsIconSelects) _paramsIconSelects = [];
+
+    for (const [pname, pdef] of Object.entries(paramDefs)) {
+        const wrapper = document.createElement('label');
+
+        const labelText = document.createElement('span');
+        labelText.textContent = pname + (pdef.required ? ' *' : '');
+        wrapper.appendChild(labelText);
+
+        if (pdef.description) {
+            const hint = document.createElement('small');
+            hint.className = 'param-hint';
+            hint.textContent = pdef.description;
+            wrapper.appendChild(hint);
+        }
+
+        let input;
+        if (pdef.type === 'select' && pdef.options) {
+            input = document.createElement('select');
+            if (!pdef.required) {
+                const opt = document.createElement('option');
+                opt.value = '';
+                opt.textContent = '—';
+                input.appendChild(opt);
+            }
+            for (const optVal of pdef.options) {
+                const opt = document.createElement('option');
+                opt.value = optVal;
+                opt.textContent = optVal;
+                if (pdef.default !== undefined && pdef.default !== null && String(pdef.default) === optVal) {
+                    opt.selected = true;
+                }
+                input.appendChild(opt);
+            }
+            input.dataset.paramName = pname;
+            input.dataset.paramType = pdef.type;
+            if (pdef.required) input.required = true;
+            wrapper.appendChild(input);
+
+            // Enhance with icon grid if few options
+            if (pdef.options.length <= 10) {
+                const selItems = pdef.options.map(o => ({ value: o, icon: '', label: o }));
+                const cols = Math.min(pdef.options.length, 4);
+                const isel = new IconSelect({ target: input, items: selItems, columns: cols });
+                _paramsIconSelects.push(isel);
+            }
+        } else if (pdef.type === 'boolean') {
+            const boolSvgTrue = '<svg viewBox="0 0 24 24" fill="currentColor"><path d="M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z"/></svg>';
+            const boolSvgFalse = '<svg viewBox="0 0 24 24" fill="currentColor"><path d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/></svg>';
+
+            input = document.createElement('select');
+            const optTrue = document.createElement('option');
+            optTrue.value = 'true';
+            optTrue.textContent = 'true';
+            const optFalse = document.createElement('option');
+            optFalse.value = 'false';
+            optFalse.textContent = 'false';
+            input.appendChild(optTrue);
+            input.appendChild(optFalse);
+            if (pdef.default !== undefined && pdef.default !== null) {
+                input.value = String(pdef.default);
+            }
+            input.dataset.paramName = pname;
+            input.dataset.paramType = pdef.type;
+            if (pdef.required) input.required = true;
+            wrapper.appendChild(input);
+
+            // Enhance with icon grid
+            const isel = new IconSelect({
+                target: input,
+                items: [
+                    { value: 'true', icon: boolSvgTrue, label: 'True' },
+                    { value: 'false', icon: boolSvgFalse, label: 'False' },
+                ],
+                columns: 2,
+            });
+            _paramsIconSelects.push(isel);
+        } else if (pdef.type === 'integer' || pdef.type === 'float') {
+            input = document.createElement('input');
+            input.type = 'number';
+            if (pdef.type === 'float') input.step = 'any';
+            if (pdef.min !== undefined && pdef.min !== null) input.min = pdef.min;
+            if (pdef.max !== undefined && pdef.max !== null) input.max = pdef.max;
+            if (pdef.default !== undefined && pdef.default !== null) input.value = pdef.default;
+            input.dataset.paramName = pname;
+            input.dataset.paramType = pdef.type;
+            if (pdef.required) input.required = true;
+            wrapper.appendChild(input);
+        } else {
+            input = document.createElement('input');
+            input.type = 'text';
+            if (pdef.default !== undefined && pdef.default !== null) input.value = pdef.default;
+            input.dataset.paramName = pname;
+            input.dataset.paramType = pdef.type;
+            if (pdef.required) input.required = true;
+            wrapper.appendChild(input);
+        }
+
+        container.appendChild(wrapper);
+    }
+
+    document.body.classList.add('dialog-open');
+    dialog.showModal();
+}
+
+export function closeScriptParamsDialog() {
+    const dialog = document.getElementById('scriptParamsDialog');
+    _paramsCallback = null;
+    _paramsScriptName = null;
+    // Destroy icon selects from execution dialog
+    if (_paramsIconSelects) {
+        _paramsIconSelects.forEach(isel => isel.destroy());
+        _paramsIconSelects = null;
+    }
+    closeDialog(dialog);
+    document.body.classList.remove('dialog-open');
+}
+
+export async function submitScriptWithParams(event) {
+    event.preventDefault();
+    const container = document.getElementById('scriptParamsInputs');
+    const inputs = container.querySelectorAll('[data-param-name]');
+    const params = {};
+
+    for (const input of inputs) {
+        const name = input.dataset.paramName;
+        const type = input.dataset.paramType;
+        let val = input.value;
+
+        if (val === '' && !input.required) continue;
+        if (val === '') continue;
+
+        if (type === 'integer') val = parseInt(val, 10);
+        else if (type === 'float') val = parseFloat(val);
+        else if (type === 'boolean') val = val === 'true';
+
+        params[name] = val;
+    }
+
+    const callback = _paramsCallback;
+    closeScriptParamsDialog();
+
+    if (callback) {
+        await callback(params);
     }
 }
 
@@ -150,7 +342,7 @@ async function executeScript(scriptName, buttonElement) {
 // ============================================================
 
 let _loadScriptsPromise = null;
-async function loadScriptsTable() {
+export async function loadScriptsTable() {
     if (_loadScriptsPromise) return _loadScriptsPromise;
     _loadScriptsPromise = _loadScriptsTableImpl();
     _loadScriptsPromise.finally(() => { _loadScriptsPromise = null; });
@@ -158,12 +350,11 @@ async function loadScriptsTable() {
 }
 
 async function _loadScriptsTableImpl() {
-    const token = localStorage.getItem('media_server_token');
     const tbody = document.getElementById('scriptsTableBody');
 
     try {
         const response = await fetch('/api/scripts/list', {
-            headers: { 'Authorization': `Bearer ${token}` }
+            headers: getAuthHeaders()
         });
 
         if (!response.ok) {
@@ -206,7 +397,7 @@ async function _loadScriptsTableImpl() {
     }
 }
 
-function showAddScriptDialog() {
+export function showAddScriptDialog() {
     const dialog = document.getElementById('scriptDialog');
     const form = document.getElementById('scriptForm');
     const title = document.getElementById('dialogTitle');
@@ -216,6 +407,7 @@ function showAddScriptDialog() {
     document.getElementById('scriptIsEdit').value = 'false';
     document.getElementById('scriptName').disabled = false;
     document.getElementById('scriptIconPreview').innerHTML = '';
+    document.getElementById('scriptParamsContainer').innerHTML = '';
     title.textContent = t('scripts.dialog.add');
 
     scriptFormDirty = false;
@@ -224,14 +416,13 @@ function showAddScriptDialog() {
     dialog.showModal();
 }
 
-async function showEditScriptDialog(scriptName) {
-    const token = localStorage.getItem('media_server_token');
+export async function showEditScriptDialog(scriptName) {
     const dialog = document.getElementById('scriptDialog');
     const title = document.getElementById('dialogTitle');
 
     try {
         const response = await fetch('/api/scripts/list', {
-            headers: { 'Authorization': `Bearer ${token}` }
+            headers: getAuthHeaders()
         });
 
         if (!response.ok) {
@@ -263,6 +454,15 @@ async function showEditScriptDialog(scriptName) {
             preview.innerHTML = '';
         }
 
+        // Populate parameters
+        const paramsContainer = document.getElementById('scriptParamsContainer');
+        paramsContainer.innerHTML = '';
+        if (script.parameters) {
+            for (const [pname, pdef] of Object.entries(script.parameters)) {
+                _addParameterRowWithData(pname, pdef);
+            }
+        }
+
         title.textContent = t('scripts.dialog.edit');
         scriptFormDirty = false;
 
@@ -274,7 +474,7 @@ async function showEditScriptDialog(scriptName) {
     }
 }
 
-async function closeScriptDialog() {
+export async function closeScriptDialog() {
     if (scriptFormDirty) {
         if (!await showConfirm(t('scripts.confirm.unsaved'))) {
             return;
@@ -287,13 +487,12 @@ async function closeScriptDialog() {
     document.body.classList.remove('dialog-open');
 }
 
-async function saveScript(event) {
+export async function saveScript(event) {
     event.preventDefault();
 
     const submitBtn = event.target.querySelector('button[type="submit"]');
     if (submitBtn) submitBtn.disabled = true;
 
-    const token = localStorage.getItem('media_server_token');
     const isEdit = document.getElementById('scriptIsEdit').value === 'true';
     const scriptName = isEdit ?
         document.getElementById('scriptOriginalName').value :
@@ -305,7 +504,8 @@ async function saveScript(event) {
         description: document.getElementById('scriptDescription').value || '',
         icon: document.getElementById('scriptIcon').value || null,
         timeout: parseInt(document.getElementById('scriptTimeout').value) || 30,
-        shell: true
+        shell: true,
+        parameters: _collectParameterDefinitions(),
     };
 
     const endpoint = isEdit ?
@@ -317,10 +517,7 @@ async function saveScript(event) {
     try {
         const response = await fetch(endpoint, {
             method,
-            headers: {
-                'Authorization': `Bearer ${token}`,
-                'Content-Type': 'application/json'
-            },
+            headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
             body: JSON.stringify(data)
         });
 
@@ -341,19 +538,15 @@ async function saveScript(event) {
     }
 }
 
-async function deleteScriptConfirm(scriptName) {
+export async function deleteScriptConfirm(scriptName) {
     if (!await showConfirm(t('scripts.confirm.delete').replace('{name}', scriptName))) {
         return;
     }
 
-    const token = localStorage.getItem('media_server_token');
-
     try {
         const response = await fetch(`/api/scripts/delete/${scriptName}`, {
             method: 'DELETE',
-            headers: {
-                'Authorization': `Bearer ${token}`
-            }
+            headers: getAuthHeaders()
         });
 
         const result = await response.json();
@@ -373,7 +566,7 @@ async function deleteScriptConfirm(scriptName) {
 // Execution Result Dialog (shared by scripts and callbacks)
 // ============================================================
 
-function closeExecutionDialog() {
+export function closeExecutionDialog() {
     const dialog = document.getElementById('executionDialog');
     closeDialog(dialog);
     document.body.classList.remove('dialog-open');
@@ -435,8 +628,16 @@ function showExecutionResult(name, result, type = 'script') {
     dialog.showModal();
 }
 
-async function executeScriptDebug(scriptName) {
-    const token = localStorage.getItem('media_server_token');
+export async function executeScriptDebug(scriptName) {
+    const paramDefs = _getScriptParams(scriptName);
+    if (Object.keys(paramDefs).length > 0) {
+        _showParamsInputDialog(scriptName, paramDefs, (params) => _executeScriptDebugWithParams(scriptName, params));
+        return;
+    }
+    await _executeScriptDebugWithParams(scriptName, {});
+}
+
+async function _executeScriptDebugWithParams(scriptName, params) {
     const dialog = document.getElementById('executionDialog');
     const title = document.getElementById('executionDialogTitle');
     const statusDiv = document.getElementById('executionStatus');
@@ -456,11 +657,8 @@ async function executeScriptDebug(scriptName) {
     try {
         const response = await fetch(`/api/scripts/execute/${scriptName}`, {
             method: 'POST',
-            headers: {
-                'Authorization': `Bearer ${token}`,
-                'Content-Type': 'application/json'
-            },
-            body: JSON.stringify({ args: [] })
+            headers: { 'Content-Type': 'application/json', ...getAuthHeaders() },
+            body: JSON.stringify({ params })
         });
 
         const result = await response.json();
@@ -486,8 +684,131 @@ async function executeScriptDebug(scriptName) {
     }
 }
 
-async function executeCallbackDebug(callbackName) {
-    const token = localStorage.getItem('media_server_token');
+// ============================================================
+// Parameter Definition Editor (CRUD dialog)
+// ============================================================
+
+const PARAM_TYPES = ['string', 'integer', 'float', 'boolean', 'select'];
+
+export function addParameterRow() {
+    _addParameterRowWithData('', {});
+    scriptFormDirty = true;
+}
+
+const _paramTypeItems = PARAM_TYPES.map(pt => ({
+    value: pt,
+    icon: paramTypeIcons[pt] || '',
+    label: pt.charAt(0).toUpperCase() + pt.slice(1),
+}));
+
+function _addParameterRowWithData(name, def) {
+    const container = document.getElementById('scriptParamsContainer');
+    const row = document.createElement('div');
+    row.className = 'param-row';
+
+    row.innerHTML = `
+        <div class="param-row-header">
+            <input type="text" class="param-name" value="${escapeHtml(name)}"
+                   placeholder="${t('scripts.params.name_placeholder')}" pattern="[a-zA-Z][a-zA-Z0-9_]*">
+            <select class="param-type">
+                ${PARAM_TYPES.map(pt => `<option value="${pt}" ${def.type === pt ? 'selected' : ''}>${pt}</option>`).join('')}
+            </select>
+            <label class="param-required-label" title="${t('scripts.params.required')}">
+                <input type="checkbox" class="param-required" ${def.required ? 'checked' : ''}>
+                <span>*</span>
+            </label>
+            <button type="button" class="param-remove-btn" title="${t('scripts.params.remove')}">&times;</button>
+        </div>
+        <div class="param-row-details">
+            <input type="text" class="param-description" value="${escapeHtml(def.description || '')}"
+                   placeholder="${t('scripts.params.description_placeholder')}">
+            <div class="param-row-extra">
+                <input type="text" class="param-default" value="${def.default !== undefined && def.default !== null ? escapeHtml(String(def.default)) : ''}"
+                       placeholder="${t('scripts.params.default_placeholder')}">
+                <input type="text" class="param-min" value="${def.min !== undefined && def.min !== null ? def.min : ''}"
+                       placeholder="Min" style="display:${def.type === 'integer' || def.type === 'float' ? '' : 'none'}">
+                <input type="text" class="param-max" value="${def.max !== undefined && def.max !== null ? def.max : ''}"
+                       placeholder="Max" style="display:${def.type === 'integer' || def.type === 'float' ? '' : 'none'}">
+                <input type="text" class="param-options" value="${def.options ? def.options.join(', ') : ''}"
+                       placeholder="${t('scripts.params.options_placeholder')}" style="display:${def.type === 'select' ? '' : 'none'}">
+            </div>
+        </div>
+    `;
+
+    // Enhance the type <select> with icon grid
+    const typeSelect = row.querySelector('.param-type');
+    const iconSelect = new IconSelect({
+        target: typeSelect,
+        items: _paramTypeItems,
+        columns: 5,
+        onChange: () => {
+            const isNumeric = typeSelect.value === 'integer' || typeSelect.value === 'float';
+            const isSelect = typeSelect.value === 'select';
+            row.querySelector('.param-min').style.display = isNumeric ? '' : 'none';
+            row.querySelector('.param-max').style.display = isNumeric ? '' : 'none';
+            row.querySelector('.param-options').style.display = isSelect ? '' : 'none';
+            scriptFormDirty = true;
+        },
+    });
+
+    row.querySelector('.param-remove-btn').addEventListener('click', () => {
+        iconSelect.destroy();
+        row.remove();
+        scriptFormDirty = true;
+    });
+
+    // Mark dirty on any input change
+    row.querySelectorAll('input').forEach(el => {
+        el.addEventListener('input', () => { scriptFormDirty = true; });
+    });
+
+    container.appendChild(row);
+}
+
+function _collectParameterDefinitions() {
+    const container = document.getElementById('scriptParamsContainer');
+    const rows = container.querySelectorAll('.param-row');
+    const params = {};
+
+    for (const row of rows) {
+        const name = row.querySelector('.param-name').value.trim();
+        if (!name) continue;
+
+        const type = row.querySelector('.param-type').value;
+        const def = { type };
+
+        const description = row.querySelector('.param-description').value.trim();
+        if (description) def.description = description;
+
+        if (row.querySelector('.param-required').checked) def.required = true;
+
+        const defaultVal = row.querySelector('.param-default').value.trim();
+        if (defaultVal !== '') {
+            if (type === 'integer') def.default = parseInt(defaultVal, 10);
+            else if (type === 'float') def.default = parseFloat(defaultVal);
+            else if (type === 'boolean') def.default = defaultVal.toLowerCase() === 'true';
+            else def.default = defaultVal;
+        }
+
+        if (type === 'integer' || type === 'float') {
+            const minVal = row.querySelector('.param-min').value.trim();
+            const maxVal = row.querySelector('.param-max').value.trim();
+            if (minVal !== '') def.min = parseFloat(minVal);
+            if (maxVal !== '') def.max = parseFloat(maxVal);
+        }
+
+        if (type === 'select') {
+            const optStr = row.querySelector('.param-options').value.trim();
+            if (optStr) def.options = optStr.split(',').map(s => s.trim()).filter(Boolean);
+        }
+
+        params[name] = def;
+    }
+
+    return params;
+}
+
+export async function executeCallbackDebug(callbackName) {
     const dialog = document.getElementById('executionDialog');
     const title = document.getElementById('executionDialogTitle');
     const statusDiv = document.getElementById('executionStatus');
@@ -507,10 +828,7 @@ async function executeCallbackDebug(callbackName) {
     try {
         const response = await fetch(`/api/callbacks/execute/${callbackName}`, {
             method: 'POST',
-            headers: {
-                'Authorization': `Bearer ${token}`,
-                'Content-Type': 'application/json'
-            }
+            headers: { 'Content-Type': 'application/json', ...getAuthHeaders() }
         });
 
         const result = await response.json();

media_server/static/js/websocket.js

@@ -2,11 +2,22 @@
 // WebSocket: Connection, reconnection, authentication
 // ============================================================
 
+import {
+    dom, t, showToast, setWs,
+    WS_BACKOFF_BASE_MS, WS_BACKOFF_MAX_MS,
+    WS_MAX_RECONNECT_ATTEMPTS, WS_PING_INTERVAL_MS,
+    authRequired, showUpdateBanner,
+} from './core.js';
+import { updateUI, visualizerEnabled, visualizerAvailable, setFrequencyData, stopPositionInterpolation, loadAudioDevices } from './player.js';
+import { loadScripts, loadScriptsTable, displayQuickAccess } from './scripts.js';
+import { loadCallbacksTable } from './callbacks.js';
+import { loadHeaderLinks, loadLinksTable } from './links.js';
+
 let reconnectTimeout = null;
 let pingInterval = null;
 let wsReconnectAttempts = 0;
 
-function showAuthForm(errorMessage = '') {
+export function showAuthForm(errorMessage = '') {
     const overlay = document.getElementById('auth-overlay');
     overlay.classList.remove('hidden');
 
@@ -23,7 +34,7 @@ function hideAuthForm() {
     document.getElementById('auth-overlay').classList.add('hidden');
 }
 
-function authenticate() {
+export function authenticate() {
     const token = document.getElementById('token-input').value.trim();
     if (!token) {
         showAuthForm(t('auth.required'));
@@ -34,26 +45,31 @@ function authenticate() {
     connectWebSocket(token);
 }
 
-function clearToken() {
+export function clearToken() {
     localStorage.removeItem('media_server_token');
-    if (ws) {
-        ws.close();
-    }
+    // Access ws via import
+    import('./core.js').then(core => {
+        if (core.ws) {
+            core.ws.close();
+        }
+    });
     showAuthForm(t('auth.cleared'));
 }
 
-function connectWebSocket(token) {
+export function connectWebSocket(token) {
     if (pingInterval) {
         clearInterval(pingInterval);
         pingInterval = null;
     }
 
     const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
-    const wsUrl = `${protocol}//${window.location.host}/api/media/ws?token=${encodeURIComponent(token)}`;
+    const wsBase = `${protocol}//${window.location.host}/api/media/ws`;
+    const wsUrl = token ? `${wsBase}?token=${encodeURIComponent(token)}` : wsBase;
 
-    ws = new WebSocket(wsUrl);
+    const newWs = new WebSocket(wsUrl);
+    setWs(newWs);
 
-    ws.onopen = () => {
+    newWs.onopen = () => {
         console.log('WebSocket connected');
         wsReconnectAttempts = 0;
         updateConnectionStatus(true);
@@ -66,11 +82,11 @@ function connectWebSocket(token) {
         loadHeaderLinks();
         loadAudioDevices();
         if (visualizerEnabled && visualizerAvailable) {
-            ws.send(JSON.stringify({ type: 'enable_visualizer' }));
+            newWs.send(JSON.stringify({ type: 'enable_visualizer' }));
         }
     };
 
-    ws.onmessage = (event) => {
+    newWs.onmessage = (event) => {
         const msg = JSON.parse(event.data);
 
         if (msg.type === 'status' || msg.type === 'status_update') {
@@ -84,19 +100,21 @@ function connectWebSocket(token) {
             loadHeaderLinks();
             loadLinksTable();
             displayQuickAccess();
+        } else if (msg.type === 'update_available') {
+            showUpdateBanner(msg.data);
         } else if (msg.type === 'audio_data') {
-            frequencyData = msg.data;
+            setFrequencyData(msg.data);
         } else if (msg.type === 'error') {
             console.error('WebSocket error:', msg.message);
         }
     };
 
-    ws.onerror = (error) => {
+    newWs.onerror = (error) => {
         console.error('WebSocket error:', error);
         updateConnectionStatus(false);
     };
 
-    ws.onclose = (event) => {
+    newWs.onclose = (event) => {
         console.log('WebSocket closed:', event.code);
         updateConnectionStatus(false);
         stopPositionInterpolation();
@@ -120,8 +138,8 @@ function connectWebSocket(token) {
 
                 reconnectTimeout = setTimeout(() => {
                     const savedToken = localStorage.getItem('media_server_token');
-                    if (savedToken) {
-                        connectWebSocket(savedToken);
+                    if (savedToken || !authRequired) {
+                        connectWebSocket(savedToken || '');
                     }
                 }, delay);
             } else {
@@ -131,13 +149,13 @@ function connectWebSocket(token) {
     };
 
     pingInterval = setInterval(() => {
-        if (ws && ws.readyState === WebSocket.OPEN) {
-            ws.send(JSON.stringify({ type: 'ping' }));
+        if (newWs && newWs.readyState === WebSocket.OPEN) {
+            newWs.send(JSON.stringify({ type: 'ping' }));
         }
     }, WS_PING_INTERVAL_MS);
 }
 
-function updateConnectionStatus(connected) {
+export function updateConnectionStatus(connected) {
     if (connected) {
         dom.statusDot.classList.add('connected');
     } else {
@@ -159,11 +177,11 @@ function hideConnectionBanner() {
     banner.classList.add('hidden');
 }
 
-function manualReconnect() {
+export function manualReconnect() {
     const savedToken = localStorage.getItem('media_server_token');
-    if (savedToken) {
+    if (savedToken || !authRequired) {
         wsReconnectAttempts = 0;
         hideConnectionBanner();
-        connectWebSocket(savedToken);
+        connectWebSocket(savedToken || '');
     }
 }

media_server/static/locales/en.json

@@ -24,6 +24,7 @@
   "player.unknown_source": "Unknown",
   "player.vinyl": "Vinyl mode",
   "player.visualizer": "Audio visualizer",
+  "player.background": "Dynamic background",
   "state.playing": "Playing",
   "state.paused": "Paused",
   "state.stopped": "Stopped",
@@ -73,6 +74,15 @@
   "scripts.execution.error_output": "Error Output",
   "scripts.execution.close": "Close",
   "scripts.confirm.unsaved": "You have unsaved changes. Are you sure you want to discard them?",
+  "scripts.field.parameters": "Parameters",
+  "scripts.params.add": "+ Add",
+  "scripts.params.remove": "Remove parameter",
+  "scripts.params.required": "Required",
+  "scripts.params.name_placeholder": "param_name",
+  "scripts.params.description_placeholder": "Parameter description",
+  "scripts.params.default_placeholder": "Default",
+  "scripts.params.options_placeholder": "option1, option2, ...",
+  "scripts.params.execute": "Execute",
   "callbacks.management": "Callback Management",
   "callbacks.description": "Callbacks are scripts triggered automatically by media control events (play, pause, stop, etc.)",
   "callbacks.add": "Add",
@@ -163,7 +173,27 @@
   "browser.play_all_error": "Failed to play folder",
   "browser.error_loading": "Error loading directory",
   "browser.error_loading_folders": "Failed to load media folders",
-  "browser.manage_folders_hint": "Folder management coming soon! For now, edit config.yaml to add media folders.",
+  "browser.manage_folders_hint": "Folder management is disabled. Set media_folders_management: true in config.yaml to enable.",
+  "browser.unavailable": "Unavailable",
+  "browser.folder_available": "Available",
+  "browser.folder_unavailable": "Unavailable (path not reachable)",
+  "browser.folder_disabled": "disabled",
+  "browser.folder_edit": "Edit folder",
+  "browser.folder_delete": "Delete folder",
+  "browser.folder_created": "Media folder created successfully",
+  "browser.folder_updated": "Media folder updated successfully",
+  "browser.folder_deleted": "Media folder deleted successfully",
+  "browser.folder_save_error": "Failed to save media folder",
+  "browser.folder_delete_error": "Failed to delete media folder",
+  "browser.folder_confirm_delete": "Are you sure you want to delete the folder \"{name}\"?",
+  "browser.folders_description": "Media folders available for browsing. Folders on network shares show availability status.",
+  "browser.folders_empty": "No media folders configured. Click \"+\" to add one.",
+  "browser.folders_table.id": "ID",
+  "browser.folders_table.label": "Label",
+  "browser.folders_table.path": "Path",
+  "browser.folders_table.status": "Status",
+  "browser.folders_table.actions": "Actions",
+  "settings.section.media_folders": "Media Folders",
   "browser.folder_dialog.title_add": "Add Media Folder",
   "browser.folder_dialog.title_edit": "Edit Media Folder",
   "browser.folder_dialog.folder_id": "Folder ID *",
@@ -175,6 +205,11 @@
   "browser.folder_dialog.enabled": "Enabled",
   "browser.folder_dialog.cancel": "Cancel",
   "browser.folder_dialog.save": "Save",
+  "browser.list_header.name": "Name",
+  "browser.list_header.bitrate": "Bitrate",
+  "browser.list_header.duration": "Duration",
+  "browser.list_header.size": "Size",
+  "browser.showing_items": "Showing {from}\u2013{to} of {total}",
   "browser.download_error": "Failed to download file",
   "connection.reconnecting": "Connection lost. Reconnecting (attempt {attempt})...",
   "connection.lost": "Connection lost. Server may be unavailable.",
@@ -214,5 +249,7 @@
   "links.confirm.delete": "Are you sure you want to delete the link \"{name}\"?",
   "links.confirm.unsaved": "You have unsaved changes. Are you sure you want to discard them?",
   "footer.created_by": "Created by",
-  "footer.source_code": "Source Code"
+  "footer.source_code": "Source Code",
+  "update.available": "Update available: v{version}",
+  "update.view_release": "View Release"
 }

media_server/static/locales/ru.json

@@ -24,6 +24,7 @@
   "player.unknown_source": "Неизвестно",
   "player.vinyl": "Режим винила",
   "player.visualizer": "Аудио визуализатор",
+  "player.background": "Динамический фон",
   "state.playing": "Воспроизведение",
   "state.paused": "Пауза",
   "state.stopped": "Остановлено",
@@ -73,6 +74,15 @@
   "scripts.execution.error_output": "Вывод ошибок",
   "scripts.execution.close": "Закрыть",
   "scripts.confirm.unsaved": "У вас есть несохраненные изменения. Вы уверены, что хотите отменить их?",
+  "scripts.field.parameters": "Параметры",
+  "scripts.params.add": "+ Добавить",
+  "scripts.params.remove": "Удалить параметр",
+  "scripts.params.required": "Обязательный",
+  "scripts.params.name_placeholder": "имя_параметра",
+  "scripts.params.description_placeholder": "Описание параметра",
+  "scripts.params.default_placeholder": "По умолчанию",
+  "scripts.params.options_placeholder": "вариант1, вариант2, ...",
+  "scripts.params.execute": "Выполнить",
   "callbacks.management": "Управление Обратными Вызовами",
   "callbacks.description": "Обратные вызовы - это скрипты, автоматически запускаемые при событиях управления медиа (воспроизведение, пауза, остановка и т.д.)",
   "callbacks.add": "Добавить",
@@ -163,7 +173,27 @@
   "browser.play_all_error": "Не удалось воспроизвести папку",
   "browser.error_loading": "Ошибка загрузки каталога",
   "browser.error_loading_folders": "Не удалось загрузить медиа папки",
-  "browser.manage_folders_hint": "Управление папками скоро появится! Пока редактируйте config.yaml для добавления медиа папок.",
+  "browser.manage_folders_hint": "Управление папками отключено. Установите media_folders_management: true в config.yaml для включения.",
+  "browser.unavailable": "Недоступна",
+  "browser.folder_available": "Доступна",
+  "browser.folder_unavailable": "Недоступна (путь не найден)",
+  "browser.folder_disabled": "отключена",
+  "browser.folder_edit": "Редактировать папку",
+  "browser.folder_delete": "Удалить папку",
+  "browser.folder_created": "Медиа папка успешно создана",
+  "browser.folder_updated": "Медиа папка успешно обновлена",
+  "browser.folder_deleted": "Медиа папка успешно удалена",
+  "browser.folder_save_error": "Не удалось сохранить медиа папку",
+  "browser.folder_delete_error": "Не удалось удалить медиа папку",
+  "browser.folder_confirm_delete": "Вы уверены, что хотите удалить папку \"{name}\"?",
+  "browser.folders_description": "Медиа папки для просмотра. Для сетевых ресурсов показан статус доступности.",
+  "browser.folders_empty": "Медиа папки не настроены. Нажмите \"+\" для добавления.",
+  "browser.folders_table.id": "ID",
+  "browser.folders_table.label": "Метка",
+  "browser.folders_table.path": "Путь",
+  "browser.folders_table.status": "Статус",
+  "browser.folders_table.actions": "Действия",
+  "settings.section.media_folders": "Медиа папки",
   "browser.folder_dialog.title_add": "Добавить медиа папку",
   "browser.folder_dialog.title_edit": "Редактировать медиа папку",
   "browser.folder_dialog.folder_id": "ID папки *",
@@ -175,6 +205,11 @@
   "browser.folder_dialog.enabled": "Включено",
   "browser.folder_dialog.cancel": "Отмена",
   "browser.folder_dialog.save": "Сохранить",
+  "browser.list_header.name": "Название",
+  "browser.list_header.bitrate": "Битрейт",
+  "browser.list_header.duration": "Длительность",
+  "browser.list_header.size": "Размер",
+  "browser.showing_items": "Показано {from}\u2013{to} из {total}",
   "browser.download_error": "Не удалось скачать файл",
   "connection.reconnecting": "Соединение потеряно. Переподключение (попытка {attempt})...",
   "connection.lost": "Соединение потеряно. Сервер может быть недоступен.",
@@ -214,5 +249,7 @@
   "links.confirm.delete": "Вы уверены, что хотите удалить ссылку \"{name}\"?",
   "links.confirm.unsaved": "У вас есть несохраненные изменения. Вы уверены, что хотите отменить их?",
   "footer.created_by": "Создано",
-  "footer.source_code": "Исходный код"
+  "footer.source_code": "Исходный код",
+  "update.available": "Доступно обновление: v{version}",
+  "update.view_release": "Перейти к релизу"
 }

media_server/tray.py

@@ -0,0 +1,147 @@
+"""System tray icon for Media Server."""
+
+import ctypes
+import io
+import logging
+import webbrowser
+from pathlib import Path
+from typing import Callable
+
+from PIL import Image, ImageDraw
+
+logger = logging.getLogger(__name__)
+
+# pystray is optional — tray silently disabled when missing
+try:
+    import pystray
+
+    PYSTRAY_AVAILABLE = True
+except ImportError:
+    pystray = None
+    PYSTRAY_AVAILABLE = False
+
+
+# Windows-native confirmation (no tkinter needed)
+_MB_YESNO = 0x04
+_MB_ICONQUESTION = 0x20
+_MB_TOPMOST = 0x40000
+_MB_SETFOREGROUND = 0x10000
+_IDYES = 6
+
+
+def _confirm(title: str, message: str) -> bool:
+    """Show a Yes/No dialog using native Windows MessageBox."""
+    result = ctypes.windll.user32.MessageBoxW(
+        0, message, title, _MB_YESNO | _MB_ICONQUESTION | _MB_TOPMOST | _MB_SETFOREGROUND
+    )
+    return result == _IDYES
+
+
+def _create_icon_image(size: int = 64) -> Image.Image:
+    """Create a tray icon: green circle with white play triangle."""
+    img = Image.new("RGBA", (size, size), (0, 0, 0, 0))
+    draw = ImageDraw.Draw(img)
+
+    # Green circle background
+    padding = 2
+    draw.ellipse(
+        [padding, padding, size - padding, size - padding],
+        fill=(29, 185, 84, 255),
+    )
+
+    # White play triangle
+    cx, cy = size // 2, size // 2
+    r = size * 0.28
+    triangle = [
+        (cx - r * 0.6, cy - r),
+        (cx - r * 0.6, cy + r),
+        (cx + r * 0.9, cy),
+    ]
+    draw.polygon(triangle, fill=(255, 255, 255, 255))
+
+    return img
+
+
+def _load_icon_image() -> Image.Image:
+    """Load the ICO/SVG app icon, falling back to a generated image."""
+    icons_dir = Path(__file__).parent / "static" / "icons"
+
+    # Try .ico first (best for Windows tray)
+    ico_path = icons_dir / "icon.ico"
+    if ico_path.exists():
+        try:
+            return Image.open(ico_path)
+        except Exception:
+            pass
+
+    # Try SVG via cairosvg
+    try:
+        import cairosvg
+
+        svg_path = icons_dir / "icon.svg"
+        if svg_path.exists():
+            png_data = cairosvg.svg2png(url=str(svg_path), output_width=64, output_height=64)
+            return Image.open(io.BytesIO(png_data))
+    except Exception:
+        pass
+
+    return _create_icon_image()
+
+
+class TrayManager:
+    """Manages the system tray icon and its context menu.
+
+    Call ``run()`` on the **main thread** — it blocks until ``stop()``
+    is called (from any thread) or the user picks *Shutdown* from the menu.
+    """
+
+    def __init__(self, port: int, on_exit: Callable[[], None]) -> None:
+        if not PYSTRAY_AVAILABLE:
+            raise ImportError("pystray is required for system tray support")
+
+        self._port = port
+        self._on_exit = on_exit
+
+        menu = pystray.Menu(
+            pystray.MenuItem("Show UI", self._show_ui, default=True),
+            pystray.Menu.SEPARATOR,
+            pystray.MenuItem("Restart", self._restart),
+            pystray.MenuItem("Shutdown", self._shutdown),
+        )
+
+        self._icon = pystray.Icon(
+            name="media-server",
+            icon=_load_icon_image(),
+            title="Media Server",
+            menu=menu,
+        )
+
+    def _show_ui(self, icon: "pystray.Icon", item: "pystray.MenuItem") -> None:
+        webbrowser.open(f"http://localhost:{self._port}")
+
+    def _restart(self, icon: "pystray.Icon", item: "pystray.MenuItem") -> None:
+        if not _confirm("Media Server", "Restart the server?"):
+            return
+        logger.info("Restart requested from tray")
+        self._restart_requested = True
+        self._on_exit()
+        self._icon.stop()
+
+    @property
+    def restart_requested(self) -> bool:
+        return getattr(self, "_restart_requested", False)
+
+    def _shutdown(self, icon: "pystray.Icon", item: "pystray.MenuItem") -> None:
+        if not _confirm("Media Server", "Shut down the server?"):
+            return
+        logger.info("Shutdown requested from tray")
+        self._on_exit()
+        self._icon.stop()
+
+    def run(self) -> None:
+        """Block the calling thread running the tray message loop."""
+        self._icon.run()
+
+    def stop(self) -> None:
+        """Stop the tray icon from any thread."""
+        self._icon.stop()

package-lock.json

@@ -0,0 +1,690 @@
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+  "name": "media-server-frontend",
+  "version": "0.1.5",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "media-server-frontend",
+      "version": "0.1.5",
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+        "esbuild": "^0.27.4"
+      }
+    },
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+      "cpu": [
+        "ppc64"
+      ],
+      "dev": true,
+      "optional": true,
+      "os": [
+        "aix"
+      ],
+      "engines": {
+        "node": ">=18"
+      }
+    },
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+      ],
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+        "@esbuild/linux-riscv64": "0.27.4",
+        "@esbuild/linux-s390x": "0.27.4",
+        "@esbuild/linux-x64": "0.27.4",
+        "@esbuild/netbsd-arm64": "0.27.4",
+        "@esbuild/netbsd-x64": "0.27.4",
+        "@esbuild/openbsd-arm64": "0.27.4",
+        "@esbuild/openbsd-x64": "0.27.4",
+        "@esbuild/openharmony-arm64": "0.27.4",
+        "@esbuild/sunos-x64": "0.27.4",
+        "@esbuild/win32-arm64": "0.27.4",
+        "@esbuild/win32-ia32": "0.27.4",
+        "@esbuild/win32-x64": "0.27.4"
+      }
+    }
+  }
+}

package.json

@@ -0,0 +1,13 @@
+{
+  "name": "media-server-frontend",
+  "version": "0.1.5",
+  "private": true,
+  "description": "Frontend build tooling for media server WebUI",
+  "scripts": {
+    "build": "node esbuild.mjs",
+    "watch": "node esbuild.mjs --watch"
+  },
+  "devDependencies": {
+    "esbuild": "^0.27.4"
+  }
+}

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "media-server"
-version = "1.0.0"
+version = "0.1.7"
 description = "REST API server for controlling system-wide media playback"
 readme = "README.md"
 license = { text = "MIT" }
@@ -32,6 +32,8 @@ dependencies = [
     "pyyaml>=6.0",
     "mutagen>=1.47.0",
     "pillow>=10.0.0",
+    "soundcard>=0.4.0",
+    "numpy>=1.24.0,<2.0",
 ]
 
 [project.optional-dependencies]
@@ -41,16 +43,15 @@ windows = [
     "comtypes>=1.2.0",
     "pycaw>=20230407",
     "screen-brightness-control>=0.20.0",
+    "wmi>=1.5.1",
     "monitorcontrol>=3.0.0",
-]
-visualizer = [
-    "soundcard>=0.4.0",
-    "numpy>=1.24.0",
+    "pystray>=0.19.0",
 ]
 dev = [
     "pytest>=7.0",
     "pytest-asyncio>=0.21",
     "httpx>=0.24",
+    "ruff>=0.4.0",
 ]
 
 [project.urls]
@@ -67,3 +68,18 @@ build-backend = "setuptools.build_meta"
 
 [tool.setuptools.packages.find]
 include = ["media_server*"]
+
+[tool.ruff]
+target-version = "py310"
+line-length = 120
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "W"]
+
+[tool.ruff.lint.per-file-ignores]
+# AppleScript string literals contain long lines that cannot be broken
+"media_server/services/macos_media.py" = ["E501"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+asyncio_mode = "auto"

scripts/start-hidden.vbs

@@ -1,7 +1,13 @@
+Set fso = CreateObject("Scripting.FileSystemObject")
 Set WshShell = CreateObject("WScript.Shell")
 ' Get the directory of this script (scripts\), then go up to media-server root
-scriptDir = CreateObject("Scripting.FileSystemObject").GetParentFolderName(WScript.ScriptFullName)
-serverRoot = CreateObject("Scripting.FileSystemObject").GetParentFolderName(scriptDir)
+scriptDir = fso.GetParentFolderName(WScript.ScriptFullName)
+serverRoot = fso.GetParentFolderName(scriptDir)
 WshShell.CurrentDirectory = serverRoot
-' Run python completely hidden (0 = hidden, False = don't wait)
-WshShell.Run "python -m media_server.main", 0, False
+' Use embedded Python if present (installed distribution), otherwise system Python
+embeddedPython = serverRoot & "\python\python.exe"
+If fso.FileExists(embeddedPython) Then
+    WshShell.Run """" & embeddedPython & """ -m media_server.main", 0, False
+Else
+    WshShell.Run "python -m media_server.main", 0, False
+End If

scripts/start-server-background.vbs

@@ -1,7 +0,0 @@
-Set WshShell = CreateObject("WScript.Shell")
-Set FSO = CreateObject("Scripting.FileSystemObject")
-' Get parent folder of scripts folder (media-server root)
-WshShell.CurrentDirectory = FSO.GetParentFolderName(FSO.GetParentFolderName(WScript.ScriptFullName))
-WshShell.Run "python -m media_server.main", 0, False
-Set FSO = Nothing
-Set WshShell = Nothing

scripts/start-server.bat

@@ -1,15 +0,0 @@
-@echo off
-REM Media Server Startup Script
-REM This script starts the media server
-
-echo Starting Media Server...
-echo.
-
-REM Change to the media-server directory (parent of scripts folder)
-cd /d "%~dp0\.."
-
-REM Start the media server
-python -m media_server.main
-
-REM If the server exits, pause to show any error messages
-pause

scripts/stop-server.bat

@@ -1,19 +0,0 @@
-@echo off
-REM Media Server Stop Script
-REM This script stops the running media server
-
-echo Stopping Media Server...
-echo.
-
-REM Find and kill Python processes running media_server.main
-for /f "tokens=2" %%i in ('tasklist /FI "IMAGENAME eq python.exe" /FO LIST ^| findstr /B "PID:"') do (
-    wmic process where "ProcessId=%%i" get CommandLine 2>nul | findstr /C:"media_server.main" >nul
-    if not errorlevel 1 (
-        taskkill /PID %%i /F
-        echo Media server process (PID %%i) terminated.
-    )
-)
-
-echo.
-echo Done! Media server stopped.
-pause