feat(scada): add calibrated monitoring and incident recovery

app/services/scada_replay_queries.py

@@ -12,14 +12,23 @@ def check_replay_window(context, start, end):
         raise HTTPException(422, f"回放查询需要明确时间范围，结束不得晚于 {cap.isoformat()}")
 
 
+def check_snapshot_start(run, start):
+    replay_start = datetime.fromisoformat(run["start_time"])
+    if start < replay_start:
+        baseline = run.get("baseline")
+        if not baseline:
+            raise HTTPException(422, "本轮回放未冻结历史对照，请新建回放后查询历史基线")
+        if start < datetime.fromisoformat(baseline["start_time"]):
+            raise HTTPException(422, "查询起点早于本轮已冻结的历史基线")
+
+
 async def replay_snapshot_rows(connection, project_id, context, device_ids, start, end, limit, offset=0):
     check_replay_window(context, start, end)
     repository = ScadaReplayRepository(connection, project_id)
     run = await repository.get(context["replay_id"])
     if not set(device_ids) <= set(run["config"]["device_ids"]):
         raise HTTPException(403, "设备或回放不属于当前调查")
-    if start < datetime.fromisoformat(run["start_time"]):
-        raise HTTPException(422, "当前调查证据接口仅返回本轮已处理观测，回放前基线已用于后台初始化")
+    check_snapshot_start(run, start)
     rows = await repository.detected_outputs(
         context["replay_id"], device_ids, start, end, context["batch_sequence"],
         limit=limit, offset=offset,
@@ -40,9 +49,7 @@ async def replay_burst_location_inputs(connection, project_id, context, args):
     repository = ScadaReplayRepository(connection, project_id)
     run = await repository.get(context["replay_id"])
     if run:
-        replay_start = datetime.fromisoformat(run["start_time"])
-        if args.scada_burst_start < replay_start or args.scada_normal_start < replay_start:
-            raise HTTPException(422, "定位窗口必须位于本轮已处理回放范围内")
+        check_snapshot_start(run, min(args.scada_burst_start, args.scada_normal_start))
         devices = {item["device_id"]: item for item in run.get("devices", [])}
         monitoring = run.get("monitoring_config") or {}
         pressure_devices = monitoring.get("pressure_device_ids", [])