feat(scada): require complete authorized investigation evidence

2026-11-07 21:15:01 +08:00
parent 2552a9b40d
commit 06d8539aa8
12 changed files with 498 additions and 30 deletions
@@ -0,0 +1,40 @@
+"""Require persisted complete SCADA input before final investigation conclusions."""
+
+from datetime import datetime
+
+from app.domain.domain_errors import require
+
+
+def require_complete_scada_evidence(task: dict, evidence: list[dict], refs: list[str]) -> None:
+    replay = task.get("source", {}).get("replay_context")
+    if task.get("workflow") != "scada_anomaly" and not replay:
+        return
+    target = datetime.fromisoformat(
+        replay["knowledge_cutoff"] if replay else task["trigger"]["occurred_at"]
+    )
+    for item in evidence:
+        if item["evidence_id"] not in refs:
+            continue
+        snapshot = item.get("data_snapshot") or {}
+        if snapshot.get("source") != "query_scada_readings" or snapshot.get("truncated"):
+            continue
+        result = snapshot.get("data") or {}
+        data = result.get("data") if isinstance(result, dict) else None
+        coverage = data.get("coverage") if isinstance(data, dict) else None
+        if not coverage or coverage.get("mode") != "all_scada" or coverage.get("query_complete") is not True:
+            continue
+        window = result.get("window") or {}
+        if not window.get("start") or not window.get("end"):
+            continue
+        start, end = (datetime.fromisoformat(window[key]) for key in ("start", "end"))
+        if not start <= target <= end:
+            continue
+        if replay and (coverage.get("replay_id") != replay["replay_id"]
+                       or coverage.get("batch_sequence") != replay["batch_sequence"]
+                       or end != target):
+            continue
+        return
+    require(False, "SCADA_COVERAGE_REQUIRED",
+            "最终SCADA报告必须引用本轮全量读取证据。调用query_scada_readings并省略device_ids，"
+            "在任务时间窗内读取全部授权设备、完整属性与观测，核对coverage和缺测清单后再发布。",
+            status=409)