New features:
- Desktop automation via Kotlin companion app
- New MCP tools: set_target, get_target, launch_desktop_app, stop_desktop_app
- Window management: get_window_info, focus_window, resize_window
- Clipboard: get_clipboard, set_clipboard
- Performance metrics: get_performance_metrics
- Existing tools (screenshot, tap, swipe, etc.) now work with Desktop

Screenshot improvements:
- Iterative quality reduction (70% -> 20%) if image too large
- Additional resize if still exceeds 1MB limit
- Fixes "image too large" errors with Android

Desktop companion (Kotlin):
- JSON-RPC over stdin/stdout
- java.awt.Robot for input automation
- Accessibility APIs for UI hierarchy (macOS via AppleScript)
- JPEG screenshot with compression
- Cross-platform window management

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>