- Introduced a new NixOS VM configuration in `flake.nix` for testing purposes.
- Updated CI workflow to build the VM using the flake input for a more streamlined process.
- Added a new API endpoint `/search` in the collection API to search owned media by title, with optional filtering by media type.
- Refactored frontend components to utilize the new media search functionality, updating types and state management accordingly.
- Enhanced CSS for the map component to ensure proper rendering in various layouts.
- Introduced `/api/tmdb` and `/api/collection/missing-locations` endpoints to the backend for improved media management.
- Added a new `get_media_by_country` function in the collection API to fetch media items based on country codes.
- Updated configuration to allow overriding *arr base URLs via environment variables for better flexibility.
- Enhanced frontend with a new `MissingLocations` component and integrated it into the routing structure.
- Improved the `CollectionMap` component to handle country selection and display media items accordingly.
- Added testing dependencies in `requirements.txt` and updated frontend configuration for testing support.
- Removed direct pool checks and replaced them with a centralized database initialization method in `init_db`.
- Updated API endpoints in `admin.py`, `collection.py`, `pins.py`, and `watched.py` to ensure the database connection pool is initialized before usage.
- Enhanced error handling to raise HTTP exceptions if the database is unavailable.
- Improved the `init_db` function in `database.py` to prevent multiple simultaneous initializations using an asyncio lock.
