diff --git a/.sdlc/features/data-models/manifest.yaml b/.sdlc/features/data-models/manifest.yaml
index b6eb9d9..a66ab5d 100644
--- a/.sdlc/features/data-models/manifest.yaml
+++ b/.sdlc/features/data-models/manifest.yaml
@@ -1,7 +1,7 @@
 slug: data-models
 title: Core Data Models & Persistence
 created: 2026-02-09T13:49:20.497880778Z
-phase: qa
+phase: merge
 phase_history:
     - phase: draft
       entered: 2026-02-09T13:49:20.497880778Z
@@ -26,6 +26,9 @@ phase_history:
       exited: 2026-02-09T13:53:55.554737339Z
     - phase: qa
       entered: 2026-02-09T13:53:55.554737339Z
+      exited: 2026-02-09T13:54:00.637934845Z
+    - phase: merge
+      entered: 2026-02-09T13:54:00.637934845Z
 artifacts:
     audit:
         status: passed
diff --git a/.sdlc/state.yaml b/.sdlc/state.yaml
index 85fbe3f..559ac7c 100644
--- a/.sdlc/state.yaml
+++ b/.sdlc/state.yaml
@@ -4,11 +4,11 @@ project:
 active_work:
     features:
         - slug: data-models
-          phase: qa
+          phase: merge
         - slug: task-management-ui
           phase: ready
 blocked: []
-last_updated: 2026-02-09T13:53:55.556355624Z
+last_updated: 2026-02-09T13:54:00.639922136Z
 last_action: TRANSITION
 last_actor: cli
 history:
@@ -127,3 +127,8 @@ history:
       feature: data-models
       actor: cli
       result: success
+    - timestamp: 2026-02-09T13:54:00.639918789Z
+      action: TRANSITION
+      feature: data-models
+      actor: cli
+      result: success