- Added 'send' action type that uses uiautomator XML to find the rightmost
clickable element in the bottom input bar (the send button)
- Added screen resolution (1080x2400) to LLM context for better coordinate estimation
- Updated system prompt to instruct model to use 'send' action instead of manual tap
- Updated scenarios with clearer step-by-step instructions
- Both send_message and multi_turn scenarios pass reliably