diff --git a/TODO.md b/TODO.md
index c4dfba3..de97b77 100644
--- a/TODO.md
+++ b/TODO.md
@@ -15,7 +15,7 @@
 - [x] Add SQLite backend for `AllowanceStore` interface (single-node fallback)
 - [x] Config already supports YAML -- wire backend selection into config loader
 
-## Phase 3: Multi-Agent Coordination
+## Phase 3: Multi-Agent Coordination — `646cc02`
 
 ### 3.1 Agent Registry