docs: make learning scaffold independently verifiable

docs/superpowers/plans/2026-07-17-stage-0-monorepo-foundation.md

@@ -475,6 +475,7 @@ Do not add generated `dist` contents.
 - Create: `apps/learning/.eslintrc.cjs`
 - Create: `apps/learning/vite.config.ts`
 - Create: `apps/learning/src/vite-env.d.ts`
+- Create: `apps/learning/src/test/setup.ts`
 - Create: `apps/learning/src/main.tsx`
 - Create: `apps/learning/src/router/RootLayout.tsx`
 - Create: `apps/learning/src/router/routes.tsx`
@@ -482,6 +483,7 @@ Do not add generated `dist` contents.
 - Create: `apps/learning/src/modules/library/routes.tsx`
 - Create: `apps/learning/src/modules/library/views/LibraryView.tsx`
 - Modify: root `package.json`
+- Modify: root `AGENTS.md`
 
 **Interfaces:**
 - Produces: package `@ebook/learning`, port 5173, output `dist/learning`.
@@ -501,7 +503,7 @@ Create `apps/learning/package.json`:
     "dev": "vite",
     "build": "tsc -b && vite build",
     "lint": "eslint . --ext ts,tsx --max-warnings 0",
-    "test": "vitest run",
+    "test": "vitest run --passWithNoTests",
     "test:watch": "vitest"
   },
   "dependencies": {
@@ -619,6 +621,12 @@ Create `apps/learning/src/vite-env.d.ts`:
 /// <reference types="vite/client" />
 ```
 
+Create `apps/learning/src/test/setup.ts`:
+
+```ts
+import '@testing-library/jest-dom/vitest'
+```
+
 Create `apps/learning/.eslintrc.cjs`:
 
 ```js
@@ -816,9 +824,11 @@ Run:
 ```bash
 pnpm install
 pnpm build:learning
+pnpm test:learning
+pnpm lint:learning
 ```
 
-Expected: dependency installation and the placeholder learning build both exit 0.
+Expected: dependency installation, the placeholder learning build, the no-tests test command, and lint all exit 0 without compatibility warnings. Update the root `AGENTS.md` command section so the newly created learning and combined workspace commands are listed as available rather than planned.
 
 - [ ] **Step 6: Commit the learning toolchain foundation**
 
@@ -832,7 +842,6 @@ git commit -m "feat: scaffold learning application foundation"
 ### Task 4: Prove URL-restorable state and React Query boundaries
 
 **Files:**
-- Create: `apps/learning/src/test/setup.ts`
 - Create: `apps/learning/src/modules/library/api.ts`
 - Create: `apps/learning/src/modules/library/query.ts`
 - Create: `apps/learning/src/modules/library/query-state.ts`
@@ -849,12 +858,6 @@ git commit -m "feat: scaffold learning application foundation"
 
 - [ ] **Step 1: Write failing nuqs state tests**
 
-Create `apps/learning/src/test/setup.ts`:
-
-```ts
-import '@testing-library/jest-dom/vitest'
-```
-
 Create `apps/learning/src/modules/library/query-state.test.tsx` using `renderHook`, `act`, and `withNuqsTestingAdapter` to assert:
 
 ```tsx