**UPDATED ENDPOINTS (11 additional):**
- email/send.ts (CRITICAL: was using old auth)
- email/fetch-thread.ts (CRITICAL: was using old auth)
- email/fetch-thread-v2.ts (CRITICAL: was using old auth)
- email/generate-eoi-document.ts (CRITICAL: was using old auth)
- files/upload.ts (CRITICAL: was using old auth)
- files/list.ts (SECURITY ISSUE: had NO auth)
- files/download.ts (SECURITY ISSUE: had NO auth)
- files/delete.ts (SECURITY ISSUE: had NO auth)
- files/create-folder.ts (SECURITY ISSUE: had NO auth)
- files/preview.ts (SECURITY ISSUE: had NO auth)
- files/rename.ts (SECURITY ISSUE: had NO auth)
**AUTHENTICATION:** All now support dual auth:
- x-tag header (webhooks/external calls)
- Keycloak session (logged-in users)
**PROGRESS:** 28/47 endpoints completed (~60%)
**NEXT:** Continue with remaining proxy, test & debug endpoints
**CRITICAL SECURITY FIXES:** Found 6 file endpoints with NO authentication - major vulnerability patched!
Matt