Add static color support, HAOS light entity, and real-time profile updates

- Add static_color capability to WLED and serial providers with native
  set_color() dispatch (WLED uses JSON API, serial uses idle client)
- Encapsulate device-specific logic in providers instead of device_type
  checks in ProcessorManager and API routes
- Add HAOS light entity for devices with brightness_control + static_color
  (Adalight/AmbiLED get light entity, WLED keeps number entity)
- Fix serial device brightness and turn-off: pass software_brightness
  through provider chain, clear device on color=null, re-send static
  color after brightness change
- Add global events WebSocket (events-ws.js) replacing per-tab WS,
  enabling real-time profile state updates on both dashboard and profiles tabs
- Fix profile activation: mark active when all targets already running,
  add asyncio.Lock to prevent concurrent evaluation races, skip process
  enumeration when no profile has conditions, trigger immediate evaluation
  on enable/create/update for instant target startup
- Add reliable server restart script (restart.ps1)

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

server/src/wled_controller/static/js/features/dashboard.js

@@ -2,7 +2,7 @@
  * Dashboard — real-time target status overview.
  */
 
-import { apiKey, _dashboardWS, set_dashboardWS, _dashboardLoading, set_dashboardLoading, dashboardPollInterval, setDashboardPollInterval } from '../core/state.js';
+import { apiKey, _dashboardLoading, set_dashboardLoading, dashboardPollInterval, setDashboardPollInterval } from '../core/state.js';
 import { API_BASE, getHeaders, fetchWithAuth } from '../core/api.js';
 import { t } from '../core/i18n.js';
 import { escapeHtml, handle401Error } from '../core/api.js';
@@ -239,7 +239,7 @@ function formatUptime(seconds) {
     return `${s}s`;
 }
 
-export async function loadDashboard() {
+export async function loadDashboard(forceFullRender = false) {
     if (_dashboardLoading) return;
     set_dashboardLoading(true);
     const container = document.getElementById('dashboard-content');
@@ -289,7 +289,7 @@ export async function loadDashboard() {
             const newRunningIds = running.map(t => t.id).sort().join(',');
             const prevRunningIds = [..._lastRunningIds].sort().join(',');
             const hasExistingDom = !!container.querySelector('.dashboard-perf-persistent');
-            if (hasExistingDom && newRunningIds === prevRunningIds && newRunningIds !== '') {
+            if (!forceFullRender && hasExistingDom && newRunningIds === prevRunningIds && newRunningIds !== '') {
                 _updateRunningMetrics(running);
                 set_dashboardLoading(false);
                 return;
@@ -567,32 +567,23 @@ export async function dashboardStopAll() {
     }
 }
 
-export function startDashboardWS() {
-    stopDashboardWS();
-    if (!apiKey) return;
-    const wsProto = location.protocol === 'https:' ? 'wss:' : 'ws:';
-    const url = `${wsProto}//${location.host}/api/v1/events/ws?token=${apiKey}`;
-    try {
-        set_dashboardWS(new WebSocket(url));
-        _dashboardWS.onmessage = (event) => {
-            try {
-                const data = JSON.parse(event.data);
-                if (data.type === 'state_change' || data.type === 'profile_state_changed') {
-                    loadDashboard();
-                }
-            } catch {}
-        };
-        _dashboardWS.onclose = () => { set_dashboardWS(null); };
-        _dashboardWS.onerror = () => { set_dashboardWS(null); };
-    } catch {
-        set_dashboardWS(null);
-    }
-}
-
 export function stopUptimeTimer() {
     _stopUptimeTimer();
 }
 
+// React to global server events when dashboard tab is active
+function _isDashboardActive() {
+    return (localStorage.getItem('activeTab') || 'dashboard') === 'dashboard';
+}
+
+document.addEventListener('server:state_change', () => {
+    if (_isDashboardActive()) loadDashboard();
+});
+
+document.addEventListener('server:profile_state_changed', () => {
+    if (_isDashboardActive()) loadDashboard(true);
+});
+
 // Re-render dashboard when language changes
 document.addEventListener('languageChanged', () => {
     if (!apiKey) return;
@@ -601,10 +592,3 @@ document.addEventListener('languageChanged', () => {
     if (perfEl) perfEl.remove();
     loadDashboard();
 });
-
-export function stopDashboardWS() {
-    if (_dashboardWS) {
-        _dashboardWS.close();
-        set_dashboardWS(null);
-    }
-}