diff --git a/conductor/tracks/manual_block_control_20260306/plan.md b/conductor/tracks/manual_block_control_20260306/plan.md
index 45db740..245a43c 100644
--- a/conductor/tracks/manual_block_control_20260306/plan.md
+++ b/conductor/tracks/manual_block_control_20260306/plan.md
@@ -48,7 +48,7 @@ Focus: Add block buttons to ticket display
 ## Phase 3: Cascade Integration
 Focus: Trigger cascade on block/unblock
 
-- [ ] Task 3.1: Call cascade_blocks after manual block
+- [x] Task 3.1: Call cascade_blocks after manual block (c6d0bc8)
     - WHERE: `src/gui_2.py` or `src/multi_agent_conductor.py`
     - WHAT: Update downstream tickets
     - HOW: `self.dag.cascade_blocks()`