diff --git a/TASKS.md b/TASKS.md
index 4ae9f4f..d82359e 100644
--- a/TASKS.md
+++ b/TASKS.md
@@ -9,14 +9,11 @@
 
 ### 1. AI-Optimized Python Style Refactor
 **Track**: `conductor/tracks/python_style_refactor_20260227/`
-**Status**: IN_PROGRESS — Phase 3
+**Status**: COMPLETE
 **Completed**:
 - Phase 1: Research and Pilot Tooling [checkpoint: c75b926]
 - Phase 2: Core Refactor - Indentation and Newlines [checkpoint: db65162]
-**Remaining in Phase 3** (AI-Optimized Metadata and Final Cleanup):
-- [~] Type hints for UI modules: `gui_2.py`, `gui_legacy.py`
-- [ ] Update style guide documentation
-- [ ] User manual verification
+- Phase 3: AI-Optimized Metadata and Final Cleanup [checkpoint: 3216e87]
 
 ### 2. Robust Live Simulation Verification
 **Track**: `conductor/tracks/robust_live_simulation_verification/`
diff --git a/conductor/tracks/python_style_refactor_20260227/plan.md b/conductor/tracks/python_style_refactor_20260227/plan.md
index 6eeb44d..c171d62 100644
--- a/conductor/tracks/python_style_refactor_20260227/plan.md
+++ b/conductor/tracks/python_style_refactor_20260227/plan.md
@@ -12,7 +12,7 @@
 - [x] Task: Conductor - Refactor Remaining Utility and Support Modules (`events.py`, `file_cache.py`, `models.py`, `mma_prompts.py`). [db65162]
 - [x] Task: Conductor - User Manual Verification 'Phase 2: Indentation and Newline Refactor' (Protocol in workflow.md) [checkpoint: Phase2]
 
-## Phase 3: AI-Optimized Metadata and Final Cleanup
+## Phase 3: AI-Optimized Metadata and Final Cleanup [checkpoint: 3216e87]
 - [x] Task: Conductor - Implement Strict Type Hinting across the Entire Codebase. [c816f65]
     - [x] Engine Core (`ai_client.py`, `mcp_client.py`, `aggregate.py`, `shell_runner.py`)
     - [x] Develop/Integrate Surgical AST Tools in `mcp_client.py` and `tools.json`.