- Add webBluetooth.ts with browser detection and compatibility checks
- Add WebBLEManager implementing IBLEManager for Web Bluetooth API
- Add BrowserNotSupported component showing clear error for Safari/Firefox
- Update services/ble/index.ts to use WebBLEManager on web platform
- Add comprehensive tests for browser detection and WebBLEManager
Works in Chrome/Edge/Opera, shows user-friendly error in unsupported browsers.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
