diff --git a/.sdlc/features/data-models/manifest.yaml b/.sdlc/features/data-models/manifest.yaml
index 73547f1..0e45aae 100644
--- a/.sdlc/features/data-models/manifest.yaml
+++ b/.sdlc/features/data-models/manifest.yaml
@@ -2,7 +2,7 @@ slug: data-models
 title: Core Data Models & Persistence
 created: 2026-02-09T21:04:37.081370329Z
 branch: feature/data-models
-phase: qa
+phase: merge
 phase_history:
     - phase: draft
       entered: 2026-02-09T21:04:37.081370329Z
@@ -27,6 +27,9 @@ phase_history:
       exited: 2026-02-09T21:09:42.19533108Z
     - phase: qa
       entered: 2026-02-09T21:09:42.19533108Z
+      exited: 2026-02-09T21:09:47.933570806Z
+    - phase: merge
+      entered: 2026-02-09T21:09:47.933570806Z
 artifacts:
     audit:
         status: passed
diff --git a/.sdlc/state.yaml b/.sdlc/state.yaml
index b3b4801..ad03a73 100644
--- a/.sdlc/state.yaml
+++ b/.sdlc/state.yaml
@@ -5,12 +5,12 @@ active_work:
     features:
         - slug: data-models
           branch: feature/data-models
-          phase: qa
+          phase: merge
         - slug: task-management-ui
           branch: feature/task-management-ui
           phase: ready
 blocked: []
-last_updated: 2026-02-09T21:09:42.201430217Z
+last_updated: 2026-02-09T21:09:47.934788688Z
 last_action: TRANSITION
 last_actor: cli
 history:
@@ -129,3 +129,8 @@ history:
       feature: data-models
       actor: cli
       result: success
+    - timestamp: 2026-02-09T21:09:47.934785853Z
+      action: TRANSITION
+      feature: data-models
+      actor: cli
+      result: success