feat: major update with network graphs, themes, todo extensions, and more

## New Features

### Network Graph Visualization (Contacts, Calendar, Todo)
- D3.js force simulation for physics-based layout
- Zoom & pan with mouse/touchpad
- Keyboard shortcuts: +/- zoom, 0 reset, Esc deselect, / search, F focus
- Filtering by tags, company/location/project, connection strength
- Shared components in @manacore/shared-ui

### Central Tags API (mana-core-auth)
- CRUD endpoints for tags
- Schema: tags table with userId, name, color, app
- Shared tag components in @manacore/shared-ui

### Custom Themes System
- Theme editor with live preview and color picker
- Community theme gallery
- Theme sharing (public, unlisted, private)
- Backend API in mana-core-auth

### Todo App Extensions
- Glass-pill design for task input and items
- Settings page with 20+ preferences
- Task edit modal with inline editing
- Statistics page with visualizations
- PWA support with offline capabilities
- Multiple kanban boards

### Contacts App Features
- Duplicate detection
- Photo upload
- Batch operations
- Enhanced favorites page with multiple view modes
- Alphabet view improvements
- Search modal

### Help System
- @manacore/shared-help-content
- @manacore/shared-help-ui
- @manacore/shared-help-types

### Other Features
- Themes page for all apps
- Referral system frontend
- CommandBar (global search)
- Skeleton loaders
- Settings page improvements

## Bug Fixes
- Network graph simulation initialization
- Database schema TEXT for user_id columns (Better Auth compatibility)
- Various styling fixes

## Documentation
- Daily report for 2025-12-10
- CI/CD deployment guide

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps-archived/uload/docs/SECURITY_BEST_PRACTICES.md

@@ -81,7 +81,7 @@ PUBLIC_POCKETBASE_URL=https://ulo.ad/api
 POCKETBASE_ADMIN_URL=http://localhost:8090  # Nur intern!
 ```
 
-### 3. Firewall Rules (in Hetzner)
+### 3. Firewall Rules (in Coolify/Hetzner)
 
 ```bash
 # Nur benötigte Ports öffnen
@@ -105,7 +105,7 @@ apt install fail2ban
 ### 2. Logs überwachen
 
 ```bash
-# In Monitoring einrichten für:
+# In Coolify Alerts einrichten für:
 - Fehlgeschlagene Admin-Logins
 - Ungewöhnlich viele API-Anfragen
 - 404 auf /_/ Route