Freeze SCUM log-source tailing run contract

platform/service/scum_live_data.go

@@ -14,6 +14,7 @@ const (
 	scumSQLiteTemplateExecutionKind  = "sqlite.template-query"
 	scumRCONTemplateExecutionKind    = "rcon.template-command"
 	scumGuardedMutationExecutionKind = "sqlite.guarded-mutation"
+	scumParsedLogBatchExecutionKind  = "log.parsed-events"
 )
 
 func (svc *CoreService) RequestSCUMSchemaProbeForSession(sessionID, serverInstanceID, idempotencyKey string) (domain.SCUMSchemaProbeRequest, domain.RemoteAdapterResult, error) {
@@ -217,6 +218,45 @@ func validateSCUMGuardedMutationResultForJob(job domain.Job, result domain.SCUMG
 	return nil
 }
 
+func validateSCUMParsedLogBatchResultForJob(job domain.Job, result domain.SCUMParsedLogBatchResult) error {
+	if err := validator.ValidateSCUMParsedLogBatchResult(result); err != nil {
+		return err
+	}
+	expected := job.ExecutionInput.LogSource
+	if expected == nil {
+		return validationError("parsed log batch request is missing from leased job")
+	}
+	if result.JobID != job.ID {
+		return validationError("parsed log batch result does not match leased job identity")
+	}
+	if result.Binding.ServerInstanceID != job.ServerInstanceID || result.Binding.RunEndpointID != job.RunEndpointID {
+		return validationError("parsed log batch result does not match leased server or Run endpoint")
+	}
+	if result.SourceKey != expected.Key || result.StreamKey != expected.StreamKey {
+		return validationError("parsed log batch result does not match leased log source identity")
+	}
+	for key, value := range map[string]string{
+		"parserKey":      result.ParserKey,
+		"parserVersion":  result.ParserVersion,
+		"parserDigest":   result.ParserDigest,
+		"adapterVersion": result.AdapterVersion,
+	} {
+		if expectedValue := strings.TrimSpace(job.ExecutionInput.Inputs[key]); expectedValue != "" && value != expectedValue {
+			return validationError("parsed log batch result does not match leased parser identity")
+		}
+	}
+	if job.ExecutionInput.PluginID != "" && result.Binding.PluginID != job.ExecutionInput.PluginID {
+		return validationError("parsed log batch result does not match leased plugin identity")
+	}
+	if job.ExecutionInput.TargetVersion != "" && result.Binding.PluginVersion != job.ExecutionInput.TargetVersion {
+		return validationError("parsed log batch result does not match leased plugin version")
+	}
+	if result.FirstCursor.SourceIdentityDigest != result.LastCursor.SourceIdentityDigest || result.FirstCursor.StreamGeneration != result.LastCursor.StreamGeneration {
+		return validationError("parsed log batch result crosses source identity or generation boundaries")
+	}
+	return nil
+}
+
 func sameSCUMSchemaProbeBinding(a, b domain.SCUMBindingIdentity) bool {
 	return a.ServerInstanceID == b.ServerInstanceID && a.RunBindingID == b.RunBindingID && a.RunEndpointID == b.RunEndpointID && a.PluginID == b.PluginID && a.PluginVersion == b.PluginVersion && a.AdapterVersion == b.AdapterVersion && a.GameVersion == b.GameVersion && a.DatabaseIdentity == b.DatabaseIdentity
 }