feat: centralize application framework primitives

packages/test/src/index.ts

@@ -181,15 +181,26 @@ export async function createHarness(
   };
 }
 
+/** Preferred full-stack name; retained alongside createHarness for compatibility. */
+export const createTestApp = createHarness;
+
 export {
   testRequest,
   testContext,
+  createTestContext,
   readJsonResponse,
   expectProblem,
   deferred,
   waitFor,
   MemoryCookieJar,
+  createFetchMock,
+} from "./advanced.ts";
+export type {
+  TestRequestOptions,
+  JsonResponse,
+  Deferred,
+  WaitForOptions,
+  FetchMock,
 } from "./advanced.ts";
-export type { TestRequestOptions, JsonResponse, Deferred, WaitForOptions } from "./advanced.ts";
 export { withDatabaseRollback, createFactory, captureBrowserArtifacts } from "./platform.ts";
 export type { TransactionalDatabase, BrowserArtifactPage } from "./platform.ts";