feat: add MFA/TOTP auth, PII encryption, agents/leads/inquiries modules, and comprehensive tests

- Add TOTP-based MFA with setup, verify, disable, backup codes, and challenge flow
- Add PII field encryption middleware with AES-256-GCM and deterministic search hashes
- Add agents, inquiries, and leads domain modules with entities, events, value objects
- Add web dashboard pages for inquiries and leads with detail dialogs
- Add 30+ component tests (valuation, charts, listings, search, providers, UI)
- Add Prisma migrations for encryption hash columns and MFA TOTP support
- Fix all ESLint errors (unused imports, duplicate imports, lint auto-fixes)
- Update dependencies and lock file
- Clean up obsolete exploration/QA docs, add audit documentation

Co-Authored-By: Paperclip <noreply@paperclip.ing>

e2e/global-teardown.ts

@@ -45,7 +45,7 @@ export default async function globalTeardown() {
       -- Delete test-generated data in dependency order (FK-safe)
       DELETE FROM "NotificationLog" WHERE "userId" IN (${NON_SEED_USERS});
       DELETE FROM "NotificationPreference" WHERE "userId" IN (${NON_SEED_USERS});
-      DELETE FROM "Review" WHERE "reviewerId" IN (${NON_SEED_USERS});
+      DELETE FROM "Review" WHERE "userId" IN (${NON_SEED_USERS});
       DELETE FROM "Lead" WHERE "userId" IN (${NON_SEED_USERS});
       DELETE FROM "Inquiry" WHERE "userId" IN (${NON_SEED_USERS});
       DELETE FROM "Transaction" WHERE "sellerId" IN (${NON_SEED_USERS});