3.03 Registratura Termene Legale recipient registration, audit log, expiry tracking

- Added recipientRegNumber/recipientRegDate fields for outgoing docs (deadline triggers from recipient registration date)
- Added prelungire-CU deadline type in catalog (15 calendar days, tacit approval)
- CU category already first in catalog  verified
- DeadlineAuditEntry interface + audit log on TrackedDeadline (created/resolved entries)
- Document expiry tracking: expiryDate + expiryAlertDays with live countdown
- Web scraping prep fields: externalStatusUrl + externalTrackingId
- Dashboard: 6 stat cards (added missing recipient + expiring soon)
- Alert banners for missing recipient data and expiring documents
- Version bump to 0.2.0

src/modules/registratura/services/deadline-catalog.ts

@@ -15,6 +15,20 @@ export const DEADLINE_CATALOG: DeadlineTypeDef[] = [
     category: "certificat",
     legalReference: "Legea 50/1991, art. 6¹",
   },
+  {
+    id: "prelungire-cu",
+    label: "Cerere prelungire CU",
+    description:
+      "Cerere de prelungire a Certificatului de Urbanism. Se depune înainte de expirare.",
+    days: 15,
+    dayType: "calendar",
+    startDateLabel: "Data depunerii cererii de prelungire",
+    requiresCustomStartDate: true,
+    startDateHint: "Data la care s-a depus cererea de prelungire a CU",
+    tacitApprovalApplicable: true,
+    category: "certificat",
+    legalReference: "Legea 50/1991, art. 6¹",
+  },
 
   // ── Avize ──
   {