拍摄当前仿真状态快照并保存至内存。 可选 JSON 体：``{"label": "回放点A"}`` 返回快照摘要（不含完整请求列��以减小响应体积）。
()
| 1266 | @require_role('admin') |
| 1267 | @rate_limit(20, 60) |
| 1268 | def snapshot_save(): |
| 1269 | """拍摄当前仿真状态快照并保存至内存。 |
| 1270 | |
| 1271 | 可选 JSON 体：``{"label": "回放点A"}`` |
| 1272 | |
| 1273 | 返回快照摘要（不含完整请求列��以减小响应体积）。 |
| 1274 | """ |
| 1275 | body = request.get_json(silent=True) or {} |
| 1276 | label = str(body.get("label", ""))[:128] |
| 1277 | try: |
| 1278 | snap = simulation_engine.snapshot(label=label) |
| 1279 | except Exception: |
| 1280 | logger.exception("快照保存失败") |
| 1281 | return error_response("INTERNAL_ERROR") |
| 1282 | |
| 1283 | global _saved_snapshot |
| 1284 | _saved_snapshot = snap |
| 1285 | |
| 1286 | # 响应中仅返回摘要，完整快照可通过 /api/snapshot/export 下载 |
| 1287 | return ok({ |
| 1288 | "version": snap["version"], |
| 1289 | "saved_at": snap["saved_at"], |
| 1290 | "label": snap.get("label", ""), |
| 1291 | "current_time": snap["current_time"], |
| 1292 | "id_counter": snap.get("id_counter", 0), |
| 1293 | "active_request_count": len(snap.get("transmission_requests", [])), |
| 1294 | "history_count": len(snap.get("request_history", [])), |
| 1295 | }) |
| 1296 | |
| 1297 | |
| 1298 | @app.route('/api/snapshot/load', methods=['POST']) |
nothing calls this directly
no test coverage detected