diff --git a/.sdlc/branches/feature/data-models.yaml b/.sdlc/branches/feature/data-models.yaml
new file mode 100644
index 0000000..daccd65
--- /dev/null
+++ b/.sdlc/branches/feature/data-models.yaml
@@ -0,0 +1,4 @@
+name: feature/data-models
+feature: data-models
+base_branch: main
+created_at: 2026-02-11T05:13:54.557713497Z
diff --git a/.sdlc/features/data-models/manifest.yaml b/.sdlc/features/data-models/manifest.yaml
index 07eae55..c5a6f61 100644
--- a/.sdlc/features/data-models/manifest.yaml
+++ b/.sdlc/features/data-models/manifest.yaml
@@ -1,6 +1,7 @@
 slug: data-models
 title: Core Data Models & Persistence
 created: 2026-02-11T04:57:27.301245673Z
+branch: feature/data-models
 phase: planned
 phase_history:
     - phase: draft