feat: call-desk refresh — disposition modal, active-call UI, worklist + perf updates

- Call-desk: active-call-card supervisor presence badges, incoming-call-card polish, transfer-dialog, call-log
- Disposition modal: auto-lock based on actions taken, not-interested split
- Forms: appointment-form + enquiry-form improvements (placeholder handling, phone format)
- Worklist-panel: pagination awareness, filter chips
- Pages: all-leads/patients/patient-360/missed-calls/team-performance/call-history/appointments polish
- SIP: sip-client reconnect, sip-provider + sip-manager state, agent-status-toggle spinner
- Hooks: use-agent-state supervisor SSE events, use-worklist, use-performance-alerts
- Types: entities.ts extended

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/providers/data-provider.tsx

@@ -116,6 +116,12 @@ export const DataProvider = ({ children }: DataProviderProps) => {
 
     useEffect(() => {
         fetchData();
+        // Poll every 30 seconds for fresh data (calls, leads, appointments)
+        const interval = setInterval(() => {
+            console.log('[DATA-PROVIDER] Polling for fresh data');
+            fetchData();
+        }, 30_000);
+        return () => clearInterval(interval);
     }, [fetchData]);
 
     const updateLead = (id: string, updates: Partial<Lead>) => {