kin: auto-commit after pipeline

core/models.py

@@ -103,7 +103,26 @@ def get_project(conn: sqlite3.Connection, id: str) -> dict | None:
 
 def delete_project(conn: sqlite3.Connection, id: str) -> None:
     """Delete a project and all its related data (modules, decisions, tasks, phases)."""
-    # Delete tables that have FK references to tasks BEFORE deleting tasks
+    # Delete child tables that reference pipelines/tasks without ON DELETE CASCADE,
+    # before their parents are deleted (FK constraint enforcement, foreign_keys=ON).
+    conn.execute(
+        "DELETE FROM department_handoffs WHERE task_id IN (SELECT id FROM tasks WHERE project_id = ?)",
+        (id,),
+    )
+    conn.execute(
+        "DELETE FROM department_handoffs WHERE pipeline_id IN (SELECT id FROM pipelines WHERE project_id = ?)",
+        (id,),
+    )
+    conn.execute(
+        "DELETE FROM pipeline_log WHERE pipeline_id IN (SELECT id FROM pipelines WHERE project_id = ?)",
+        (id,),
+    )
+    conn.execute("DELETE FROM audit_log WHERE project_id = ?", (id,))
+    conn.execute("DELETE FROM support_tickets WHERE project_id = ?", (id,))
+    conn.execute("DELETE FROM hook_logs WHERE project_id = ?", (id,))
+    conn.execute("DELETE FROM hooks WHERE project_id = ?", (id,))
+    conn.execute("DELETE FROM project_links WHERE from_project = ? OR to_project = ?", (id, id))
+    # Delete tables with direct project_id FK (order: FK children before parents)
     # project_environments must come before tasks (FK on project_id)
     for table in ("modules", "agent_logs", "decisions", "pipelines", "project_phases", "project_environments", "chat_messages", "tasks"):
         conn.execute(f"DELETE FROM {table} WHERE project_id = ?", (id,))