fix: launch.json修正とF5起動の完成 ...

- launch.jsonをNode type + dummy.js から runtimeExecutable使用に変更
- bun run dev を直接実行してTauriアプリが正しく起動・表示
- F5キーで統合ターミナルに出力しながらアプリウィンドウが表示されるように
- config.json、llama-server、SQLiteベクターDBすべて正常動作確認

chore: comprehensive project restructuring and cleanup ...

- Moved backend source to src/backend
- Consolidated build artifacts to root target/
- Organized assets to resources/ and documentation to document/
- Updated README with detailed architecture and simplified onboarding
- Fixed minor bug in lib.rs database initialization
- Cleaned up obsolete Electron-era files and test scripts

style: tidy project root and simplify onboarding commands

build: update dependencies and gitignore for Sidecar integration

chore: migrate to Tauri/Rust backend with SeaORM and add unit/integration tests ...

- Migrated Electron/Bun backend to Rust (Tauri v2).
- Integrated SeaORM with SQLite and sqlite-vec support.
- Implemented unit tests for LlamaClient and database initialization.
- Added integration tests for MCP handlers.
- Updated documentation (README.md, walkthrough, implementation plan).
- Improved dev environment with launch scripts and tasks.
- Followed user global rules for journaling and gitignore.

Add MCP server with llama.cpp integration and docs