Add profiles UI, dashboard improvements, and AmbiLED support

- Profile management tab with cards, condition editor, process browser
- Dashboard: add profiles section, compact layout, type subtitles
- AmbiLED serial device support (raw RGB + 0xFF show command)
- Unified serial device handling (isSerialDevice helper)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/src/wled_controller/static/locales/en.json

@@ -464,5 +464,42 @@
   "dashboard.errors": "Errors",
   "dashboard.device": "Device",
   "dashboard.stop_all": "Stop All",
-  "dashboard.failed": "Failed to load dashboard"
+  "dashboard.failed": "Failed to load dashboard",
+  "dashboard.section.profiles": "Profiles",
+  "dashboard.targets": "Targets",
+
+  "profiles.title": "\uD83D\uDCCB Profiles",
+  "profiles.empty": "No profiles configured. Create one to automate target activation.",
+  "profiles.add": "\uD83D\uDCCB Add Profile",
+  "profiles.edit": "Edit Profile",
+  "profiles.delete.confirm": "Delete profile \"{name}\"?",
+  "profiles.name": "Name:",
+  "profiles.name.hint": "A descriptive name for this profile",
+  "profiles.enabled": "Enabled:",
+  "profiles.enabled.hint": "Disabled profiles won't activate even when conditions are met",
+  "profiles.condition_logic": "Condition Logic:",
+  "profiles.condition_logic.hint": "How multiple conditions are combined: ANY (OR) or ALL (AND)",
+  "profiles.condition_logic.or": "Any condition (OR)",
+  "profiles.condition_logic.and": "All conditions (AND)",
+  "profiles.conditions": "Conditions:",
+  "profiles.conditions.hint": "Rules that determine when this profile activates",
+  "profiles.conditions.add": "Add Condition",
+  "profiles.conditions.empty": "No conditions \u2014 profile will never activate automatically",
+  "profiles.condition.application": "Application",
+  "profiles.condition.application.apps": "Applications:",
+  "profiles.condition.application.apps.hint": "Process names, one per line (e.g. firefox.exe)",
+  "profiles.condition.application.browse": "Browse",
+  "profiles.condition.application.search": "Filter processes...",
+  "profiles.condition.application.no_processes": "No processes found",
+  "profiles.condition.application.match_type": "Match Type:",
+  "profiles.condition.application.match_type.hint": "How to detect the application",
+  "profiles.condition.application.match_type.running": "Running",
+  "profiles.condition.application.match_type.topmost": "Topmost (foreground)",
+  "profiles.targets": "Targets:",
+  "profiles.targets.hint": "Targets to start when this profile activates",
+  "profiles.targets.empty": "No targets available",
+  "profiles.status.active": "Active",
+  "profiles.status.inactive": "Inactive",
+  "profiles.status.disabled": "Disabled",
+  "profiles.last_activated": "Last activated"
 }