- Replace Flask url_for() with direct /static/ paths in all HTML templates
- Update CSS and JavaScript file references to use FastAPI static mount
- Convert Flask-specific template patterns to FastAPI-compatible syntax
- Update JavaScript API endpoints to match new FastAPI route structure:
* /api/series -> /api/v1/anime
* /api/search -> /api/v1/anime/search
* /api/rescan -> /api/v1/anime/rescan
- Add web interface routes for serving HTML templates
- Add template response endpoints for /app, /login, /setup, /queue
- Mark HTML template and JavaScript migration tasks as completed
- Maintain Jinja2 template compatibility with FastAPI
