fix: use real settings data boundaries

app/api/settings/join-requests/route.ts

@@ -1,6 +1,6 @@
 import { jsonSuccess } from "@/modules/core/server/api";
 import { requirePermission } from "@/modules/core/server/auth";
-import { readData } from "@/modules/core/server/store";
+import { listSettingsJoinRequests } from "@/modules/core/server/settings";
 
 export async function GET(): Promise<Response> {
   const auth = await requirePermission("account:read", {
@@ -12,12 +12,9 @@ export async function GET(): Promise<Response> {
     return auth.response;
   }
 
-  const data = await readData();
-  const organizationId = auth.context.organization?.id;
+  const organizationId = auth.context.account.platformRoleId ? undefined : auth.context.organization?.id;
 
   return jsonSuccess("加入申请已加载", {
-    joinRequests: organizationId
-      ? data.joinRequests.filter((request) => request.organizationId === organizationId)
-      : data.joinRequests,
+    joinRequests: await listSettingsJoinRequests(organizationId ? { organizationId } : {}),
   });
 }