Declare SCUM Run data targets

platform/validator/scum_live_data.go

@@ -95,6 +95,8 @@ func validateSCUMLiveDataManifest(prefix string, value domain.SCUMLiveDataManife
 		violations = append(violations, prefix+".probe requires declared remote.run.db.sqlite.probe capability")
 	}
 	probeTransportFound := false
+	probeDataTargetFound := false
+	expectedWorkspaceKey := "databases/" + strings.TrimPrefix(value.Probe.TargetKey, "databases/")
 	for _, transport := range runtimeProfiles.TransportProfiles {
 		if transport.Key != value.Probe.TargetKey && transport.TargetKey != value.Probe.TargetKey {
 			continue
@@ -107,6 +109,19 @@ func validateSCUMLiveDataManifest(prefix string, value domain.SCUMLiveDataManife
 	if !probeTransportFound {
 		violations = append(violations, prefix+".probe.targetKey must reference a declared transport")
 	}
+	for _, target := range runtimeProfiles.DataTargets {
+		if target.Key != value.Probe.TargetKey {
+			continue
+		}
+		probeDataTargetFound = true
+		transport, ok := transportByKey(runtimeProfiles.TransportProfiles, target.TransportKey)
+		if target.Kind != "sqlite.snapshot" || target.WorkspaceKey != expectedWorkspaceKey || !ok || transport.Kind != "sqlite" || !containsString(transport.Capabilities, domain.JobCapabilityRemoteRunDBSQLiteProbe) {
+			violations = append(violations, prefix+".probe.targetKey must reference a sqlite snapshot data target for the generated Run workspace")
+		}
+	}
+	if !probeDataTargetFound {
+		violations = append(violations, prefix+".probe.targetKey must reference a declared runtime data target")
+	}
 	violations = append(violations, validateSCUMSchemaProbeBounds(prefix+".probe.bounds", value.Probe.Bounds)...)
 	seen := map[domain.SCUMDataCapability]struct{}{}
 	for i, gate := range value.CapabilityGates {