feat!: client storage is read-only, storage.save and storage.delete removed

test/helpers/fakeGateway.ts

@@ -15,7 +15,6 @@ export interface RecordedRequest {
 export interface FakeGatewayState {
   storage: Map<string, StorageItem>;
   currencies: CatalogCurrency[];
-  /** Response per `module/fn`; falls back to `{ result: {} }`. */
   moduleCalls: Map<string, CallModuleFunctionClientResponse>;
 }
 
@@ -32,7 +31,6 @@ function json(body: unknown, status = 200): Response {
   });
 }
 
-const noContent = (): Response => new Response(null, { status: 204 });
 
 export function createFakeGateway(seed?: Partial<FakeGatewayState>): FakeGateway {
   const state: FakeGatewayState = {
@@ -79,19 +77,6 @@ export function createFakeGateway(seed?: Partial<FakeGatewayState>): FakeGateway
         );
         return json({ items, nextCursor: '' });
       }
-      if (method === 'PUT') {
-        const items = (body as { items?: StorageItem[] }).items ?? [];
-        for (const item of items) {
-          if (item.type) state.storage.set(item.type, { id: `id-${item.type}`, ...item });
-        }
-        return noContent();
-      }
-      if (method === 'DELETE') {
-        const type = query.get('type');
-        if (type) state.storage.delete(type);
-        else state.storage.clear();
-        return noContent();
-      }
     }
 
     return json({ error: `unhandled route: ${method} ${path}` }, 500);