- Add i18next internationalization with Chinese/English support
- Add Claude plugin sync alongside VS Code integration
- Extend provider presets with new models (DeepSeek-V3.2-Exp, Qwen3-Max, GLM-4.6)
- Support portable mode and single instance enforcement
- Add tray minimize and macOS Dock visibility management
- Improve Settings UI with scrollable layout and save icon
- Fix layout shifts and provider toggle consistency
- Remove unnecessary OpenAI auth requirement
- Update Windows MSI installer to target per-user LocalAppData
Update version across all package files and add comprehensive changelog for v3.3.0 release featuring VS Code integration, shared config snippets, enhanced Codex wizard, and cross-platform improvements.
- Add timestamped backup at `~/.cc-switch/config.v1.backup.<ts>.json`
- Keep provider files untouched; only cc-switch metadata is backed up
- Remove UI notification plan; backup only as requested
- Update CHANGELOG with migration backup notes
- Add typecheck script for TypeScript validation
- Add format and format:check scripts for code formatting
- Create comprehensive CHANGELOG documenting migration from Electron to Tauri
- Document all major changes, improvements, and migration notes for v3.0.0
