authentication authorization

apps/website/lib/services/policy/PolicyService.ts

@@ -0,0 +1,17 @@
+import type { FeatureState, PolicyApiClient, PolicySnapshotDto } from '../../api/policy/PolicyApiClient';
+
+export class PolicyService {
+  constructor(private readonly apiClient: PolicyApiClient) {}
+
+  getSnapshot(): Promise<PolicySnapshotDto> {
+    return this.apiClient.getSnapshot();
+  }
+
+  getCapabilityState(snapshot: PolicySnapshotDto, capabilityKey: string): FeatureState {
+    return snapshot.capabilities[capabilityKey] ?? 'hidden';
+  }
+
+  isCapabilityEnabled(snapshot: PolicySnapshotDto, capabilityKey: string): boolean {
+    return this.getCapabilityState(snapshot, capabilityKey) === 'enabled';
+  }
+}