feat: Registratura thread explorer, AC validity tracker, interactive I/O toggle + Password Vault rework

Registratura improvements:
- Thread Explorer: new 'Fire conversatie' tab with timeline view, search, stats, gap tracking (la noi/la institutie), export to text report
- Interactive I/O toggle: replaced direction dropdown with visual blue/orange button group (Intrat/Iesit with icons)
- Doc type UX: alphabetical sort + immediate selection after adding custom type
- AC Validity Tracker: full Autorizatie de Construire lifecycle workflow (12mo validity, execution phases, extension request, required docs checklist, monthly reminders, abandonment/expiry tracking)

Password Vault rework (renamed to 'Parole Uzuale' v0.3.0):
- New categories: WiFi, Portale Primarii, Avize Online, PIN Semnatura, Software, Hardware (replaced server/database/api)
- Category icons (lucide-react) throughout list and form
- WiFi QR code dialog with connection string copy
- Context-aware form (PIN vs password label, hide email for WiFi/PIN, hide URL for WiFi, hide generator for PIN)
- Dynamic stat cards showing top 3 categories by count
- Removed encryption banner
- Updated i18n, flags, config

src/modules/password-vault/config.ts

@@ -2,7 +2,7 @@ import type { ModuleConfig } from "@/core/module-registry/types";
 
 export const passwordVaultConfig: ModuleConfig = {
   id: "password-vault",
-  name: "Seif Parole",
+  name: "Parole Uzuale",
   description:
     "Manager securizat de parole și credențiale cu criptare AES-256-GCM",
   icon: "lock",
@@ -10,7 +10,7 @@ export const passwordVaultConfig: ModuleConfig = {
   category: "operations",
   featureFlag: "module.password-vault",
   visibility: "admin",
-  version: "0.2.0",
+  version: "0.3.0",
   dependencies: [],
   storageNamespace: "password-vault",
   navOrder: 11,