feat(phase-b): school/timetable wizards, graph nav panel, UI updates

New components:
- CCGraphNavPanel: Supabase-driven navigation tree (school/timetable/calendar/classes sections),
  role-aware setup buttons, lazy child loading, academic/generic calendar toggle
- SchoolCalendarWizard: 3-step admin-only school setup (details → term dates → daily periods)
- TeacherTimetableWizard: period grid with existing slot pre-loading, edit-mode title

Updated:
- CCNodeSnapshotPanel: saves via Supabase storage path + accessToken
- BasePanel: nav panel tab wired to CCGraphNavPanel
- CCFilesPanelEnhanced: auth context fixes
- CCDocumentIntelligence suite: accessToken threading, Supabase storage integration

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

src/utils/tldraw/ui-overrides/components/shared/navigation/CCNodeSnapshotPanel.tsx

@@ -4,7 +4,7 @@ import Save from '@mui/icons-material/Save';
 import Reset from '@mui/icons-material/RestartAlt';
 import { useEditor, useToasts, loadSnapshot } from '@tldraw/tldraw';
 import { useNavigationStore } from '../../../../../../stores/navigationStore';
-import { UserNeoDBService } from '../../../../../../services/graph/userNeoDBService';
+import { useAuth } from '../../../../../../contexts/AuthContext';
 import { PageComponent } from '../components/pageComponent';
 import { logger } from '../../../../../../debugConfig';
 import { useTLDraw } from '../../../../../../contexts/TLDrawContext';
@@ -68,6 +68,7 @@ export const CCNodeSnapshotPanel: React.FC = () => {
   const editor = useEditor();
   const { addToast } = useToasts();
   const { context: navigationContext, isLoading, error } = useNavigationStore();
+  const { accessToken } = useAuth();
   const { tldrawPreferences } = useTLDraw();
   const prefersDarkMode = useMediaQuery('(prefers-color-scheme: dark)');
   const [isSaving, setIsSaving] = useState(false);
@@ -131,8 +132,9 @@ export const CCNodeSnapshotPanel: React.FC = () => {
         type: navigationContext.node.type
       });
 
-      const dbName = UserNeoDBService.getNodeDatabaseName(navigationContext.node);
-      await NavigationSnapshotService.saveNodeSnapshotToDatabase(navigationContext.node.id, dbName, editor.store);
+      const storagePath = navigationContext.node.node_storage_path;
+      if (!storagePath) throw new Error('No storage path on current node');
+      await NavigationSnapshotService.saveNodeSnapshotToDatabase(storagePath, accessToken || '', editor.store);
 
       addToast({
         title: 'Snapshot saved',