diff --git a/conductor/tracks/gui2_parity_20260224/plan.md b/conductor/tracks/gui2_parity_20260224/plan.md
index fab0e5a..3fb37df 100644
--- a/conductor/tracks/gui2_parity_20260224/plan.md
+++ b/conductor/tracks/gui2_parity_20260224/plan.md
@@ -20,14 +20,14 @@ Address all identified gaps and ensure functional equivalence.
 - [x] Task: Address any identified regressions or missing interactive elements. [2d8ee64]
 - [x] Task: Conductor - User Manual Verification 'Phase 2: Visual and Functional Parity Implementation' (Protocol in workflow.md) [ad84843]
 
-## Phase 3: Performance Optimization and Final Validation
+## Phase 3: Performance Optimization and Final Validation [checkpoint: d647251]
 Ensure `gui_2.py` meets performance requirements and passes all quality gates.
 
-- [x] Task: Conduct performance benchmarking (FPS, CPU, Frame Time) for both `gui.py` and `gui_2.py`.
-- [~] Task: Optimize rendering and docking logic in `gui_2.py` if performance targets are not met.
-- [ ] Task: Verify performance parity using `tests/test_gui2_performance.py`.
-- [ ] Task: Run full suite of automated GUI tests with `live_gui` fixture on `gui_2.py`.
-- [ ] Task: Conductor - User Manual Verification 'Phase 3: Performance Optimization and Final Validation' (Protocol in workflow.md)
+- [x] Task: Conduct performance benchmarking (FPS, CPU, Frame Time) for both `gui.py` and `gui_2.py`. [312b0ef]
+- [x] Task: Optimize rendering and docking logic in `gui_2.py` if performance targets are not met. [d647251]
+- [x] Task: Verify performance parity using `tests/test_gui2_performance.py`. [d647251]
+- [x] Task: Run full suite of automated GUI tests with `live_gui` fixture on `gui_2.py`. [d647251]
+- [~] Task: Conductor - User Manual Verification 'Phase 3: Performance Optimization and Final Validation' (Protocol in workflow.md)
 
 ## Phase 4: Deprecation and Cleanup
 Finalize the migration and decommission the original `gui.py`.