add membership features endpoint and use it in mobile

apps/mobile/src/api/membership.ts

@@ -51,6 +51,15 @@ interface UsersListResponse {
   }>;
 }
 
+interface MembershipFeaturesResponse {
+  success: boolean;
+  data: {
+    membershipType: MembershipType;
+    currentFeatures: MembershipFeatures;
+    plans: Record<MembershipType, MembershipFeatures>;
+  };
+}
+
 function isMembershipType(value: unknown): value is MembershipType {
   return value === "basic" || value === "premium" || value === "vip";
 }
@@ -85,3 +94,35 @@ export function getMembershipFeatures(
 ): MembershipFeatures {
   return MEMBERSHIP_FEATURES[membershipType];
 }
+
+export async function getCurrentMembershipFeaturesFromServer(
+  token: string | null,
+): Promise<{
+  membershipType: MembershipType;
+  features: MembershipFeatures;
+}> {
+  if (!token) {
+    return {
+      membershipType: "basic",
+      features: MEMBERSHIP_FEATURES.basic,
+    };
+  }
+
+  const response = await apiClient.get<MembershipFeaturesResponse>(
+    API_ENDPOINTS.MEMBERSHIP.FEATURES,
+    withAuth(token),
+  );
+
+  const data = response.data?.data;
+  if (!data) {
+    return {
+      membershipType: "basic",
+      features: MEMBERSHIP_FEATURES.basic,
+    };
+  }
+
+  return {
+    membershipType: data.membershipType,
+    features: data.currentFeatures,
+  };
+}