Feat: OIDC UI bridge, Microsoft SSO,, and schema session flaws

- OAuth Callback to Use Gatehouse UI to login instead of Backend Served dull ui
- Setup Autoregister of user + org, on oauth
- Microsoft Oauth Support
- OIDCRefreshToken.access_token_id  had a narrow Column increased to VAR(255) and remove FK to sessions.id which had no use
- client_id and client.id mismatch ,backup-code consumption

README.md

@@ -104,9 +104,18 @@ The API will be available at `http://localhost:5000`
 - `DELETE /api/v1/organizations/:id/members/:userId` - Remove member
 - `PATCH /api/v1/organizations/:id/members/:userId/role` - Update role
 
+
 ### Health
 - `GET /api/health` - Health check
 
+
+## O-auth Setup
+
+- Redirect URI
+
+```http://localhost:5000/api/v1/auth/external/[google|microsoft]/callback```
+
+
 ## API Response Format
 
 All API responses follow the standardized envelope format: