diff --git a/conductor/tracks/gui_layout_refinement_20260223/plan.md b/conductor/tracks/gui_layout_refinement_20260223/plan.md
index 81c8645..b22abf8 100644
--- a/conductor/tracks/gui_layout_refinement_20260223/plan.md
+++ b/conductor/tracks/gui_layout_refinement_20260223/plan.md
@@ -22,7 +22,7 @@ Implement Arcade FX and increase information density.
 - [x] Task: Increase tactile density in diagnostic and context tables. c5d54cf
 - [x] Task: Conductor - User Manual Verification 'Phase 3: Visual and Tactile Enhancements' (Protocol in workflow.md) 4a4cf8c
 
-## Phase 4: Iterative Refinement and Final Audit
+## Phase 4: Iterative Refinement and Final Audit [checkpoint: 22f8943]
 Fine-tune the UI based on live usage and verify against product guidelines.
 
 - [x] Task: Perform a "live" walkthrough to identify friction points in the new layout. b3cf58a
@@ -33,4 +33,4 @@ Fine-tune the UI based on live usage and verify against product guidelines.
     - [x] Task: Implement Message/Response as tabs. ebd8158
     - [x] Task: Ensure all read-only text is selectable/copyable. ebd8158
     - [x] Task: Implement "Prior Session Log" viewer with tinted UI mode. ebd8158
-- [~] Task: Conductor - User Manual Verification 'Phase 4: Iterative Refinement and Final Audit' (Protocol in workflow.md)
+- [x] Task: Conductor - User Manual Verification 'Phase 4: Iterative Refinement and Final Audit' (Protocol in workflow.md) 22f8943