Add WebUI navigation improvements: keyboard shortcuts, hash routing, command palette, cross-entity links

- Keyboard shortcuts: Ctrl+1-4 for tab switching
- URL hash routing: #tab/subtab format with browser back/forward support
- Tab count badges: running targets and active profiles counts
- Cross-entity quick links: clickable references navigate to related cards
- Command palette (Ctrl+K): global search across all entities with keyboard navigation
- Expand/collapse all sections: buttons in sub-tab bars
- Sticky section headers: headers pin while scrolling long card grids
- Improved section filter: better styling with reset button

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

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

@@ -8,6 +8,7 @@ import { t } from '../core/i18n.js';
 import { showToast, showConfirm } from '../core/ui.js';
 import { Modal } from '../core/modal.js';
 import { CardSection } from '../core/card-sections.js';
+import { updateTabBadge } from './tabs.js';
 
 class ProfileEditorModal extends Modal {
     constructor() { super('profile-editor-modal'); }
@@ -58,6 +59,8 @@ export async function loadProfiles() {
             allTargets.filter(tgt => allStates[tgt.id]?.processing).map(tgt => tgt.id)
         );
         set_profilesCache(data.profiles);
+        const activeCount = data.profiles.filter(p => p.is_active).length;
+        updateTabBadge('profiles', activeCount);
         renderProfiles(data.profiles, runningTargetIds);
     } catch (error) {
         if (error.isAuth) return;