3ac09475ad
- Add voice recording with transcribe endpoint (ASR) for multimodal input - Android: add RECORD_AUDIO and INTERNET permissions - Refactor tool naming: frontend tools use 'front.' prefix, backend tools use 'back.' - Migrate calendar tools: create_calendar_event -> back.mutate/list/delete events - Add calendar_event_list.v1 and calendar_operation.v1 UI card types - Update all Flutter and Python tests to match new tool naming conventions - Add record package dependency for voice recording