chore: 并入 iotlcm-worker-svr 历史到 worker-svr/（原提交 96f0f4e）

worker-svr/internal/fullsync/supply/validation.go

@@ -0,0 +1,27 @@
+package supply
+
+// Valid checks only telemetry. Callers must degrade invalid observations without
+// rejecting the business run or its archive.
+func (s Snapshot) Valid() bool {
+	if s.SchemaVersion != 1 || s.ResolutionMS != 1000 || s.Summary.Targets < 0 || s.Summary.Valid < 0 || s.Summary.Valid > s.Summary.Targets || s.Summary.Confirmed < 0 || s.Summary.Confirmed > s.Summary.Targets || s.Summary.Unknown < 0 || s.Summary.Unknown > s.Summary.Targets || s.Summary.TotalMS < 0 || s.Summary.LongestMS < 0 || s.Summary.UnknownMS < 0 || s.Summary.UnconfirmedMS < 0 || s.Summary.ConsumerMS < 0 {
+		return false
+	}
+	seen := make(map[string]bool, len(s.Channels))
+	for _, c := range s.Channels {
+		if c.Key == "" || seen[c.Key] || c.ValidSamples < 0 || c.MissingSamples < 0 || c.UnknownMS < 0 {
+			return false
+		}
+		seen[c.Key] = true
+		for _, w := range []Wait{c.Startup, c.Confirmed, c.Unconfirmed, c.Consumer} {
+			if w.Count < 0 || w.TotalMS < 0 || w.LongestMS < 0 || w.LongestMS > w.TotalMS {
+				return false
+			}
+		}
+		for _, v := range c.Stages {
+			if v < 0 {
+				return false
+			}
+		}
+	}
+	return len(s.Channels) <= s.Summary.Targets
+}