- Create label generation package with local NLP and AI support
- Add labels column to articles table with migration
- Add label settings to config (enabled, provider, API keys, show_in_list, max_count)
- Update Article model to include Labels field
- Add database methods for label operations
- Create label handlers for generate and update operations
- Register label API endpoints
- Update settings handlers to include label configuration

Co-authored-by: WCY-dt <55525165+WCY-dt@users.noreply.github.com>

- Add label-related i18n translations (EN/CN)
- Create LabelSettings component for configuration
- Update GeneralTab to include LabelSettings
- Add label fields to SettingsData type
- Add labels field to Article type
- Create useArticleLabels composable for label operations
- Create ArticleLabels component to display label badges
- Update ArticleItem to show labels when enabled
- Add label visibility toggle based on settings

Co-authored-by: WCY-dt <55525165+WCY-dt@users.noreply.github.com>

- Update ArticleTitle to display labels and generation button
- Add label generation functionality with loading states
- Add success/failed i18n translations
- Fix Tailwind CSS opacity class issue in ArticleLabels
- Successfully build frontend with no errors

Co-authored-by: WCY-dt <55525165+WCY-dt@users.noreply.github.com>

- Fix UTF-8 handling in normalizeLabel using rune slicing
- Improve error handling in getArticleContent to properly propagate errors
- Allow HTTP for localhost in HTTPS validation for development
- Add documentation for JSON label matching limitations
- Fix Vue prop mutation by removing direct prop modification
- All builds pass successfully

Co-authored-by: WCY-dt <55525165+WCY-dt@users.noreply.github.com>

…gement

- Add ClearAllLabels database method and /api/label/clear endpoint
- Rewrite useArticleLabels composable with IntersectionObserver pattern
- Update ArticleList to integrate label auto-generation on viewport entry
- Add label-settings-changed event handling in useSettingsAutoSave
- Remove manual generate button from ArticleTitle, labels auto-generate now
- Labels clear and regenerate when settings change (like translation)
- Labels display automatically in both list and detail views

Co-authored-by: WCY-dt <55525165+WCY-dt@users.noreply.github.com>