feat(sdlc): 新增 stage_confirm.dspy 需求/设计确认接口

wwwroot/api/stage_confirm.dspy

@@ -0,0 +1,18 @@
+# stage_confirm.dspy - 需求/设计人工确认节点（owner 确认通过/退回重做）
+
+user_id = await get_user()
+if not user_id:
+    return json.dumps({"success": False, "error": "未登录"}, ensure_ascii=False)
+
+human_task_id = (params_kw or {}).get('human_task_id', '').strip()
+confirmed = (params_kw or {}).get('confirmed', '')
+comment = (params_kw or {}).get('comment', '') or ''
+
+if not human_task_id:
+    return json.dumps({"success": False, "error": "缺少 human_task_id"}, ensure_ascii=False)
+
+cf = str(confirmed).lower() in ('1', 'true', 'yes', 'on', 'confirm')
+ok, msg = await confirm_stage_gate(human_task_id, cf, comment, operator_id=user_id)
+if ok:
+    return json.dumps({"success": True, "message": msg}, ensure_ascii=False)
+return json.dumps({"success": False, "error": msg}, ensure_ascii=False)