- Replace direct database connection establishment with shared `establish_pg_connection` utility
- Add "llm" to required components list in bootstrap manager
- Lower default RUST_LOG level from debug to info in VSCode config
- Clean up imports and connection error messages
- Remove hardcoded database URL strings in favor of centralized connection handling
The changes improve code maintainability by centralizing database connection logic and adding support for the new LLM component in the bootstrap process.
- Added `data_download_list` field to `ComponentConfig` struct in `component.rs`.
- Implemented processing of `data_download_list` in the `PackageManager` to download files asynchronously in `facade.rs`.
- Updated `installer.rs` to initialize `data_download_list` for various components.
- Refactored `download_file` function in `utils.rs` to return `anyhow::Error` for better error handling.
