Added expert field mirror flow

src/helpers/tenant-scope.ts

@@ -87,6 +87,32 @@ export function assertClaimCaseForTenant(
   }
 }
 
+/**
+ * Returns true when a field expert (no clientKey) initiated this claim via an
+ * expert-initiated IN_PERSON blame file.
+ */
+export function claimCaseInitiatedByFieldExpert(
+  doc: any,
+  actor: { sub: string },
+): boolean {
+  return (
+    !!doc.initiatedByFieldExpertId &&
+    String(doc.initiatedByFieldExpertId) === String(actor.sub)
+  );
+}
+
+/**
+ * Authorization check that works for both damage experts (clientKey tenant
+ * scope) and field experts (initiatedByFieldExpertId ownership).
+ */
+export function assertClaimCaseForExpertActor(
+  doc: any,
+  actor: { sub: string; clientKey?: string },
+): void {
+  if (claimCaseInitiatedByFieldExpert(doc, actor)) return;
+  assertClaimCaseForTenant(doc, actor);
+}
+
 export function resolveGuiltyPartyClientId(doc: any): string | null {
   const parties: any[] = doc?.parties ?? [];