- user.last_activity updates on Hub page access (causes timer reset on refresh)
- server.last_activity only updates on actual JupyterLab activity
- Matches what jupyterhub-idle-culler uses for culling decisions
- Truncate requested hours to max available instead of returning error
- Add 'truncated' flag in API response with detailed message
- UI shows warning alert (yellow) when truncated, success (green) otherwise
- Warning displays 4 seconds vs 2 seconds for normal success
- Fixed extend button re-enable after successful extension
Session Extension Feature:
- Add JUPYTERHUB_IDLE_CULLER_MAX_EXTENSION env var (default 24h)
- Add SessionInfoHandler and ExtendSessionHandler API endpoints
- Add Session Status card to home page with countdown timer
- Extension tracking in spawner state (resets on server restart)
- Color-coded warnings (yellow <1h, red <30min)
Environment Settings Harmonization:
- Add all ENV defaults to Dockerfile
- Add idle culler settings to compose.yml
- Standardize logo as JUPYTERHUB_LOGO_URI with file:// prefix
- Update NVIDIA_IMAGE to nvidia/cuda:13.0.2-base-ubuntu24.04
- Move settings_dictionary.yml to services/jupyterhub/conf/
- Replace hardcoded word list with xkcdpass library
- Add JUPYTERHUB_AUTOGENERATED_PASSWORD_WORDS (default: 4)
- Add JUPYTERHUB_AUTOGENERATED_PASSWORD_DELIMITER (default: "-")
- Fix ENABLE_SIGNUP to JUPYTERHUB_SIGNUP_ENABLED in Dockerfile
- Add config/settings_dictionary.yml with category-based structure
- Categories as top-level keys (JupyterHub Core, Docker Spawner, etc.)
- Each setting has name, description, default, optional empty_display
- Update SettingsPageHandler to load from YAML file
- Add pyyaml to Dockerfile pip dependencies
- Refactor pip install to heredoc format with echo message
Add ability to send notifications to selected servers instead of all.
- New ActiveServersHandler at GET /api/notifications/active-servers
- BroadcastNotificationHandler accepts optional recipients array
- UI with "Send to all" checkbox and server selection list
- Select All/Deselect All buttons, dynamic button text
- Backward compatible - sends to all if recipients not specified
Use escapism library (same as DockerSpawner) to encode special
characters in usernames when constructing Docker volume and container
names. Fixes volume reset for users with dots in names (e.g., user.name).
- Add JUPYTERHUB_LOGO_FILE config for custom logo (served at /hub/logo)
- Fix CustomAuthorizationAreaHandler with @needs_scope decorator
- Import orm inside get() method to fix NameError
- Simplify page.html logo block (always use base_url/logo)
- Fix Add Users button to use stock btn-light colors (size only)
- Disable hover on expanded card tables via box-shadow override
- Add padding:0 to expanded user detail td cells
- Make collapse buttons more compact (0.2rem 0.3rem)
- Add left padding to username labels
- Add groups page styling (list items, card footer)
- Add notifications page styling (form, textarea, results table)
- Unify button font sizes to 0.8rem across all pages
- Set collapsed user card padding to 0
- Add subtle hover effect on admin user rows (0.015 alpha)
- Style Add Users form panel with dark mode support
- Style authorization and token pages consistently
- Add CERTIFICATE_DOMAIN_NAME to compose.yml (defaults to localhost)
- Update 00_generate_ssl_cert.sh to use env variable
- Allows custom domain names for self-signed certificates
Removed obsolete 01_nvidia-smi.sh (GPU detection handled in jupyterhub_config.py).
Renamed 02_ensure_groups.py to 01_ensure_groups.py for sequential ordering.
