updates to the paths

src/modules/bmm/workflows/workflow-status/paths/greenfield-level-1.yaml

@@ -41,7 +41,13 @@ phases:
   - phase: 4
     name: "Implementation"
     required: true
-    loop_type: "for_each_story"
+    phase_initialization:
+      - id: "sprint-planning"
+        required: true
+        agent: "sm"
+        command: "sprint-planning"
+        note: "Initialize sprint tracking - run once when entering Phase 4"
+    story_loop: "for_each_story"
     workflows:
       - id: "create-story"
         required: true