feat: Add OpenAI and Azure AI API endpoints with connection testing functionality

app/api/diagnostic.py

@@ -31,12 +31,15 @@ async def diagnostic_settings(request: Request, current_user: dict = Depends(get
             "email": bool(getattr(settings, 'email_host', None)),
             "s3": bool(getattr(settings, 's3_bucket_name', None)),
             "dropbox": bool(getattr(settings, 'dropbox_refresh_token', None)),
+            "onedrive": bool(getattr(settings, 'onedrive_refresh_token', None)),
             "nextcloud": bool(getattr(settings, 'nextcloud_upload_url', None)),
             "sftp": bool(getattr(settings, 'sftp_host', None)),
             "paperless": bool(getattr(settings, 'paperless_host', None)),
             "google_drive": bool(getattr(settings, 'google_drive_credentials_json', None)),
             "uptime_kuma": bool(getattr(settings, 'uptime_kuma_url', None)),
             "auth": bool(getattr(settings, 'authentik_config_url', None)),
+            "openai": bool(getattr(settings, 'openai_api_key', None)),
+            "azure": bool(getattr(settings, 'azure_api_key', None) and getattr(settings, 'azure_endpoint', None)),
         },
         "imap_enabled": bool(getattr(settings, 'imap1_host', None) or getattr(settings, 'imap2_host', None)),
     }