feat(conductor): Implement abort checks in worker lifecycle and kill_worker method

tests/test_conductor_engine_abort.py

@@ -1,5 +1,7 @@
 import pytest
 from unittest.mock import MagicMock
+import threading
+import time
 from src.multi_agent_conductor import ConductorEngine
 from src.models import Track
 
@@ -17,3 +19,35 @@ def test_conductor_engine_initializes_empty_worker_and_abort_dicts() -> None:
  # Verify _active_workers and _abort_events are empty dictionaries
  assert engine._active_workers == {}
  assert engine._abort_events == {}
+
+def test_kill_worker_sets_abort_and_joins_thread() -> None:
+ """
+ Test kill_worker: mock a running thread in _active_workers, call kill_worker,
+ assert abort_event is set and thread is joined.
+ """
+ mock_track = MagicMock(spec=Track)
+ mock_track.tickets = []
+ engine = ConductorEngine(track=mock_track)
+ 
+ ticket_id = "test-ticket"
+ abort_event = threading.Event()
+ engine._abort_events[ticket_id] = abort_event
+ 
+ # Create a thread that waits for the abort event
+ def worker():
+  abort_event.wait(timeout=2.0)
+ 
+ thread = threading.Thread(target=worker)
+ thread.start()
+ 
+ with engine._workers_lock:
+  engine._active_workers[ticket_id] = thread
+ 
+ # Call kill_worker
+ engine.kill_worker(ticket_id)
+ 
+ # Assertions
+ assert abort_event.is_set()
+ assert not thread.is_alive()
+ with engine._workers_lock:
+  assert ticket_id not in engine._active_workers