began to go through the files and organize imports and gui_2.py's new context defs

still a bunch to sift through after the last ai passes

src/dag_engine.py

@@ -27,9 +27,11 @@ See Also:
  - src/multi_agent_conductor.py for ConductorEngine integration
 """
 from typing import List
+
 from src.models import Ticket
 from src.performance_monitor import get_monitor
 
+
 class TrackDAG:
  """
  Manages a Directed Acyclic Graph of implementation tickets.