- Add src/lib/platform.ts: cross-platform Claude CLI discovery
(candidate paths, .cmd/.bat shell handling, where/which fallback)
- Refactor claude-status route and claude-client to use shared platform utils
- Electron main: Windows process spawning (windowsHide), PATH construction
with AppData/npm dirs, titleBarOverlay, .ico icon support
- electron-builder.yml: add win/nsis build targets
- package.json: add electron:pack:win script
- FolderPicker: drive switcher dropdown for navigating between drives
- SkillsManager: fix duplicate key warning with filePath fallback
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>