Implement platform management features

platform/validator/log_ingest.go

@@ -27,6 +27,14 @@ func ValidateLogBatchIngest(batch domain.LogBatchIngest) error {
 	if !validLogStreamSource(batch.Source) {
 		violations = append(violations, "source is invalid")
 	}
+	hasSessionID := strings.TrimSpace(batch.LogSessionID) != ""
+	hasSessionStart := !batch.SessionStartedAt.IsZero()
+	if hasSessionID != hasSessionStart {
+		violations = append(violations, "logSessionId and sessionStartedAt must be provided together")
+	}
+	if (hasSessionID || hasSessionStart) && batch.Source != domain.LogStreamSourceProcess {
+		violations = append(violations, "log session metadata is only valid for process streams")
+	}
 	if batch.FirstSeq == 0 || batch.LastSeq == 0 {
 		violations = append(violations, "sequence range must be positive")
 	}

platform/validator/resources.go

@@ -1667,6 +1667,14 @@ func ValidateLogStream(stream domain.LogStream) error {
 	if !validLogStorageBackend(stream.StorageBackend) {
 		violations = append(violations, "storageBackend is invalid")
 	}
+	hasSessionID := strings.TrimSpace(stream.LogSessionID) != ""
+	hasSessionStart := !stream.SessionStartedAt.IsZero()
+	if hasSessionID != hasSessionStart {
+		violations = append(violations, "logSessionId and sessionStartedAt must be provided together")
+	}
+	if (hasSessionID || hasSessionStart) && stream.Source != domain.LogStreamSourceProcess {
+		violations = append(violations, "log session metadata is only valid for process streams")
+	}
 	return finish(violations)
 }