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/hooks/use-agent-state.ts

@@ -52,7 +52,7 @@ export const useAgentState = (agentId: string | null): { state: OzonetelState; s
                     localStorage.removeItem('helix_agent_config');
                     localStorage.removeItem('helix_user');
 
-                    import('@/state/sip-manager').then(({ disconnectSip }) => disconnectSip()).catch(() => {});
+                    import('@/state/sip-manager').then(({ disconnectSip }) => disconnectSip(false, 'agent-state-offline')).catch(() => {});
 
                     setTimeout(() => { window.location.href = '/login'; }, 1500);
                     return;