* feat(middleware): add ConfigurableModelMiddleware for dynamic model resolution
- Introduced ConfigurableModelMiddleware to resolve chat models from RunnableConfig.configurable on each call.
- Updated middleware initialization to include ConfigurableModelMiddleware.
- Enhanced context editing middleware tests to verify presence of ConfigurableModelMiddleware.
- Implemented tests for ConfigurableModelMiddleware to ensure correct model overriding and caching behavior.
- Added tests for deepagents model-passthrough patch to verify configuration injection in async tasks.
* feat(async-subagent): update middleware handling to prevent deadlocks in async sub-agents
* style: Refactor code formatting for improved readability in patches and test files
* refactor: streamline middleware construction and improve async handling in ConfigurableModelMiddleware
* fix: remove unused request parameter from _read_model_override function
* refactor: improve async handling in _ClientProxy and enhance logging in ConfigurableModelMiddleware
test: add behavior test to ensure AskUserMiddleware is excluded in async subagent mode
* feat: Implement async sub-agent auto-notification system
- Added async notifier functionality to handle notifications for sub-agents reaching terminal states.
- Introduced `AsyncTaskNotification` dataclass for structured notification data.
- Implemented `watch_run_and_notify` to monitor agent runs and enqueue notifications.
- Created `spawn_watcher` to manage watcher tasks and ensure proper cancellation of previous watchers.
- Developed `consume_notifications` to process notifications, deduplicate them, and format messages for LLM.
- Added tests for notification handling, including draining, deduplication, and formatting.
- Patched deepagents to integrate the new watcher functionality into start and update tools.
* Enhance async notifier with per-thread notification routing and error handling
- Introduced `origin_cli_thread_id` to `AsyncTaskNotification` for routing notifications back to the originating CLI session.
- Implemented per-thread notification queues to handle notifications based on the originating thread.
- Updated `has_pending_notifications` and `drain_notifications` to respect thread-specific queues.
- Enhanced `watch_run_and_notify` to detect in-band error events from the SSE stream and handle clean exits.
- Modified tests to verify the new notification routing behavior and ensure proper handling of notifications across threads.
- Added a fixture to restore the async watcher patch state in tests to prevent state leakage.
- Updated deepagents patching to capture the main agent's CLI thread ID for notification routing.
* feat: Enhance async notifier with thread-specific watcher management and notification filtering
* test: Enhance notification draining logic for cleaner test setup
* refactor: Remove summary field from AsyncTaskNotification and update related tests
* feat: Enhance async notification handling with target thread ID support
* Refactor async notifier and middleware for improved task management
- Removed the no-op shutdown watcher loop from async_notifier.py as it is no longer needed.
- Updated watch_run_and_notify to clarify notification handling and race conditions.
- Cleaned up shutdown handling in commands.py, interactive.py, and tui_interactive.py by removing obsolete shutdown watcher calls.
- Deleted the deepagents async watcher patch from patches.py, transitioning to a new middleware approach.
- Introduced AsyncWatcherMiddleware to handle async task notifications directly during tool calls.
- Updated tests to validate the new middleware functionality and ensure proper watcher spawning and cancellation.
- Enhanced test coverage for async watcher middleware, including edge cases and error handling.
* feat(tests): add fixture to reset notifier state before each test
- Added blank lines for better separation of test cases in multiple test files.
- Reformatted event handling in tests for clarity and consistency.
- Ensured consistent use of multi-line formatting for dictionary arguments in event handling.
- Improved assertions and test descriptions for better understanding.
- Updated test cases across various modules including test_stream_state, test_stream_utils, test_summarization, test_thread_selector, test_tool_error_handler, test_tui_widgets, test_ui_runtime, and test_wechat_channel.
dinos