kin: auto-commit after pipeline

core/db.py

@@ -660,6 +660,14 @@ def _migrate(conn: sqlite3.Connection):
     )
     conn.commit()
 
+    # Fix orphaned dept_sub pipelines left in 'running' state due to double-create bug
+    # (KIN-ARCH-012): before the fix, _execute_department_head_step created a pipeline
+    # that was never updated, leaving ghost 'running' records in prod DB.
+    conn.execute(
+        "UPDATE pipelines SET status = 'failed' WHERE route_type = 'dept_sub' AND status = 'running'"
+    )
+    conn.commit()
+
 
 def _seed_default_hooks(conn: sqlite3.Connection):
     """Seed default hooks for the kin project (idempotent).