diff --git a/conductor/tracks/mma_formalization_20260225/plan.md b/conductor/tracks/mma_formalization_20260225/plan.md
index 5529308..a0479dd 100644
--- a/conductor/tracks/mma_formalization_20260225/plan.md
+++ b/conductor/tracks/mma_formalization_20260225/plan.md
@@ -1,11 +1,11 @@
 # Implementation Plan: 4-Tier MMA Architecture Formalization
 
-## Phase 1: Tiered Skills Implementation
+## Phase 1: Tiered Skills Implementation [checkpoint: 6ce3ea7]
 - [x] Task: Create `mma-tier1-orchestrator` skill in `.gemini/skills/` [fe1862a]
 - [x] Task: Create `mma-tier2-tech-lead` skill in `.gemini/skills/` [fe1862a]
 - [x] Task: Create `mma-tier3-worker` skill in `.gemini/skills/` [fe1862a]
 - [x] Task: Create `mma-tier4-qa` skill in `.gemini/skills/` [fe1862a]
-- [ ] Task: Conductor - User Manual Verification 'Phase 1: Tiered Skills Implementation' (Protocol in workflow.md)
+- [x] Task: Conductor - User Manual Verification 'Phase 1: Tiered Skills Implementation' (Protocol in workflow.md) [6ce3ea7]
 
 ## Phase 2: `mma-exec` CLI - Core Scoping
 - [ ] Task: Scaffold `scripts/mma_exec.py` with basic CLI structure (argparse/click)