Apple AI as a real tool-calling agent: On-device Apple Intelligence (FoundationModels.Tool) handles UI automation requests like "take a photo using Photo Booth" locally — multi-step tool calls, zero cloud LLM tokens, falls through to the cloud LLM only on failure. SDEF + runtime app discovery: Bundle ID resolution is now zero-hardcoded. Apps in Agent/SDEFs/ plus every .app in /Applications, /Syste

