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diff --git a/packages/ui/docs/testing-client.md b/packages/ui/docs/testing-client.md
new file mode 100644
index 00000000..16f836dd
--- /dev/null
+++ b/packages/ui/docs/testing-client.md
@@ -0,0 +1,407 @@
+# Client E2E Testing Guide
+
+## Quick Start
+
+```bash
+# 1. Ensure both servers are running
+npm run dev       # Vite client  → http://localhost:8080
+npm run server    # Express API  → http://localhost:3333
+
+# 2. Run all tests (chromium only)
+npm test
+
+# 3. Run a single spec
+npx playwright test tests/my-test.spec.ts --project=chromium
+
+# 4. Interactive UI mode
+npm run test:ui
+
+# 5. Headed (see the browser)
+npm run test:headed
+
+# 6. Debug mode (step through)
+npm run test:debug
+
+# 7. View last HTML report
+npm run test:report
+```
+
+---
+
+## Prerequisites
+
+| Requirement | Details |
+|---|---|
+| **Node >= 18** | `node -v` |
+| **Playwright browsers** | `npx playwright install` (run once) |
+| **Client running** | `npm run dev` → `http://localhost:8080` |
+| **Server running** | `npm run server` → `http://localhost:3333` |
+| **`.env` populated** | credentials + `VITE_SERVER_IMAGE_API_URL` |
+
+### Building Local Dependencies
+
+pm-pics links to monorepo packages via `file:` references. If you change any of these, rebuild before running tests:
+
+```bash
+# @polymech/ecommerce
+cd ../polymech-mono/packages/ecommerce && npm run build:lib
+
+# @polymech/acl
+cd ../polymech-mono/packages/acl && npm run build
+```
+
+> [!TIP]
+> You only need to rebuild when the dependency source has changed. If you're only editing `pm-pics` code, skip this step.
+
+---
+
+## Environment & Config
+
+### `.env` (development)
+
+```env
+TEST_EMAIL="cgoflyn@gmail.com" ( admin user)
+TEST_PASSWORD="213,,asd"
+TEST_USER_ID="cgo"
+
+
+TEST_EMAIL_REGULAR="sales@plastic-hub.com" (regular user)
+TEST_PASSWORD_REGULAR="213,,asd"
+
+
+VITE_SUPABASE_URL="https://…supabase.co"
+VITE_SUPABASE_PUBLISHABLE_KEY="…"
+
+# ⭐ Server API base — client fetches go here
+VITE_SERVER_IMAGE_API_URL=http://192.168.1.14:3333
+```
+
+> **`VITE_SERVER_IMAGE_API_URL`** is the most relevant setting.
+> It controls server-side API base for image/media endpoints.
+> In production (`.env.production`) it points to `https://service.polymech.info`.
+
+### `playwright.config.ts`
+
+Key settings:
+
+```ts
+testDir: './tests',
+fullyParallel: false,
+timeout: 60_000,
+use: {
+  baseURL: process.env.TEST_URL || 'http://localhost:8080',
+  trace: 'on',
+  screenshot: 'only-on-failure',
+  video: 'retain-on-failure',
+},
+```
+
+Configured browser projects: `chromium' (only!).
+
+---
+
+## Shared Test Helpers — `tests/test-commons.ts`
+
+Every spec imports from here. Key exports:
+
+```ts
+import { loginUser, TEST_CONFIG } from './test-commons';
+```
+
+### `TEST_CONFIG`
+
+```ts
+TEST_CONFIG = {
+  USER: { EMAIL, PASSWORD, ID },   // from .env
+  BASE_URL,                         // VITE_SERVER_IMAGE_API_URL
+  APP_URL: 'http://localhost:8080',
+  TEST_PAGE:        { SLUG: 'test-page',           TITLE: 'Test Page' },
+  TEST_PAGE_STRIPE: { SLUG: 'polymech-controller', TITLE: 'Polymech Controller' },
+};
+```
+
+### `loginUser(page)`
+
+Navigates to `/auth`, fills email + password, submits, and waits for the profile button to appear (15 s timeout). Captures a screenshot on failure.
+
+> [!TIP]
+> Always call `loginUser(page)` in `beforeEach` if your test requires authentication.
+
+---
+
+## NPM Test Scripts
+
+| Script | Command |
+|---|---|
+| `npm test` | all specs, chromium |
+| `npm run test:all` | all specs, all browsers |
+| `npm run test:ui` | Playwright UI mode |
+| `npm run test:headed` | headed chromium |
+| `npm run test:debug` | step-through debugger |
+| `npm run test:report` | open last HTML report |
+| `npm run test:pages-meta` | `pages-meta.spec.ts` only |
+| `npm run test:stripe` | `stripe-test.spec.ts` only |
+
+To add a convenience script for a new spec, edit `package.json`:
+
+```json
+"test:my-feature": "playwright test tests/my-feature.spec.ts --project=chromium --workers=1"
+```
+
+### Passing Extra Flags
+
+Use `--` to forward extra Playwright flags to **any** test script:
+
+```bash
+npm run test:pages-meta -- --ui        # open in UI mode
+npm run test:pages-meta -- --headed    # see the browser
+npm run test:pages-meta -- --debug     # step-through debugger
+npm run test:stripe -- --ui
+```
+
+---
+
+## App Architecture (for Writing Selectors)
+
+Understanding the component tree helps you target the right selectors:
+
+```
+src/App.tsx                 ← router, provides all context wrappers
+  └─ src/pages/Index.tsx    ← home feed ("/")
+  └─ src/pages/Auth.tsx     ← "/auth" login page
+  └─ src/pages/Profile.tsx  ← "/profile"
+  └─ ...
+  └─ src/modules/pages/UserPage.tsx     ← "/user/:userId/pages/:slug"
+       └─ src/modules/pages/editor/UserPageEdit.tsx  ← page editor (lazy-loaded)
+            └─ src/modules/pages/editor/ribbons/PageRibbonBar.tsx  ← ribbon toolbar
+```
+
+### Key Routes
+
+| Route | Page component |
+|---|---|
+| `/` | `src/pages/Index.tsx` — home feed |
+| `/auth` | `src/pages/Auth.tsx` |
+| `/user/:userId/pages/:slug` | `src/modules/pages/UserPage.tsx` |
+| `/profile` | `src/pages/Profile.tsx` |
+| `/post/:id` | `src/pages/Post.tsx` |
+| `/cart` | ecommerce cart |
+| `/purchases` | ecommerce purchases |
+| `/collections` | `src/pages/Collections.tsx` |
+
+### Entering Edit Mode
+
+`UserPage.tsx` renders a read view by default. To enter edit mode in tests:
+
+```ts
+const editButton = page.getByTestId('edit-mode-toggle');
+await editButton.waitFor({ state: 'visible', timeout: 15_000 });
+await editButton.click();
+// Verify ribbon is visible
+await expect(
+  page.locator('.tracking-widest', { hasText: 'DESIGN' })
+).toBeVisible({ timeout: 15_000 });
+```
+
+### Common `data-testid` Selectors
+
+(from existing specs — always prefer `getByTestId` over CSS selectors)
+
+| Test ID | Component | Notes |
+|---|---|---|
+| `edit-mode-toggle` | UserPage | Enters/exits edit mode |
+| `page-title-display` | PageRibbonBar | Page title (click to edit) |
+| `page-title-input` | PageRibbonBar | Title input (after click) |
+| `page-title-save` | PageRibbonBar | Save title button |
+| `page-visibility-toggle` | PageRibbonBar | Toggle visible/hidden |
+| `page-public-toggle` | PageRibbonBar | Toggle public/private |
+| `page-card` | PageCard | A page rendered in the feed grid |
+
+---
+
+## Data Fetching — How the Client Talks to the Server
+
+**The client never uses Supabase directly for data reads/writes** (except auth).
+All data goes through the Express server API via fetch wrappers.
+
+### Client Fetch Modules
+
+| Module | Path | Endpoints |
+|---|---|---|
+| Categories | `src/modules/categories/client-categories.ts` | `/api/categories` |
+| Pages | `src/modules/pages/client-pages.ts` | `/api/pages/*` |
+| Posts | `src/modules/posts/client-posts.ts` | `/api/posts/*` |
+| Pictures | `src/modules/posts/client-pictures.ts` | `/api/pictures/*` |
+| User/Profile | `src/modules/user/client-user.ts` | `/api/profile/*` |
+| Layouts | `src/modules/layout/client-layouts.ts` | `/api/layouts/*` |
+| Search | `src/modules/search/client-search.ts` | `/api/search/*` |
+| Types | `src/modules/types/client-types.ts` | `/api/types/*` |
+| I18n | `src/modules/i18n/client-i18n.ts` | `/api/i18n/*` |
+| ACL | `src/modules/user/client-acl.ts` | `/api/acl/*` |
+| Ecommerce | `src/modules/ecommerce/client-ecommerce.ts` | `/api/ecommerce/*` |
+
+### Fetch Pattern (example from `client-categories.ts`)
+
+Every client module follows the same pattern:
+
+```ts
+const { data: sessionData } = await defaultSupabase.auth.getSession();
+const token = sessionData.session?.access_token;
+const headers: HeadersInit = {};
+if (token) headers['Authorization'] = `Bearer ${token}`;
+
+const res = await fetch(`/api/categories?${params}`, { headers });
+```
+
+1. Get the Supabase session token
+2. Attach it as `Authorization: Bearer <token>`
+3. Fetch from `/api/...` (proxied to server via Vite dev proxy or same origin in prod)
+
+### Server DB Modules (API handlers)
+
+Server-side code that backs those endpoints:
+
+| Module | Path |
+|---|---|
+| Categories | `server/src/products/serving/db/db-categories.ts` |
+| Users/Profiles | `server/src/products/serving/db/db-user.ts` |
+| Posts/Feed | `server/src/products/serving/db/db-posts.ts` |
+| Pages | `server/src/products/serving/pages/` |
+
+---
+
+## Writing a New Test — Step by Step
+
+### 1. Create the Spec File
+
+```
+tests/my-feature.spec.ts
+```
+
+### 2. Scaffold
+
+```ts
+import { test, expect } from '@playwright/test';
+import { loginUser, TEST_CONFIG } from './test-commons';
+
+test.describe('My Feature', () => {
+    test.beforeEach(async ({ page }) => {
+        await loginUser(page);
+    });
+
+    test('should do the thing', async ({ page }) => {
+        // Navigate
+        await page.goto(`${TEST_CONFIG.APP_URL}/some/route`);
+        await expect(page.locator('body')).toBeVisible({ timeout: 10_000 });
+
+        // Interact
+        await page.click('button:has-text("Action")');
+
+        // Assert
+        await expect(page.locator('text=Success')).toBeVisible();
+    });
+});
+```
+
+### 3. Add a Convenience Script (Optional)
+
+In `package.json`:
+
+```json
+"test:my-feature": "playwright test tests/my-feature.spec.ts --project=chromium --workers=1"
+```
+
+### 4. Run It
+
+```bash
+npx playwright test tests/my-feature.spec.ts --project=chromium
+```
+
+---
+
+## Concrete Examples
+
+### Example 1: Login + Navigate to a User Page
+
+```ts
+import { test, expect } from '@playwright/test';
+import { loginUser, TEST_CONFIG } from './test-commons';
+
+test.describe('User Page Navigation', () => {
+    test.beforeEach(async ({ page }) => {
+        await loginUser(page);
+    });
+
+    test('loads user page and shows title', async ({ page }) => {
+        const pageUrl = `${TEST_CONFIG.APP_URL}/user/${TEST_CONFIG.USER.ID}/pages/${TEST_CONFIG.TEST_PAGE.SLUG}`;
+        await page.goto(pageUrl);
+        await expect(page.locator('body')).toBeVisible({ timeout: 15_000 });
+
+        // Page title should be visible
+        await expect(page.locator('h1, [data-testid="page-title-display"]'))
+            .toContainText(TEST_CONFIG.TEST_PAGE.TITLE, { timeout: 10_000 });
+    });
+});
+```
+
+### Example 2: Enter Edit Mode + Ribbon Interaction
+
+(See existing test: `tests/pages-meta.spec.ts`)
+
+```ts
+test('toggle page visibility in editor', async ({ page }) => {
+    const pageUrl = `${TEST_CONFIG.APP_URL}/user/${TEST_CONFIG.USER.ID}/pages/${TEST_CONFIG.TEST_PAGE.SLUG}`;
+    await page.goto(pageUrl);
+
+    // Enter edit mode
+    const editBtn = page.getByTestId('edit-mode-toggle');
+    await editBtn.waitFor({ state: 'visible', timeout: 15_000 });
+    await editBtn.click();
+    await expect(page.locator('.tracking-widest', { hasText: 'DESIGN' }))
+        .toBeVisible({ timeout: 15_000 });
+
+    // Toggle visibility
+    const toggle = page.getByTestId('page-visibility-toggle');
+    await toggle.click();
+    await expect(toggle).toContainText('Hidden');
+    await toggle.click();
+    await expect(toggle).toContainText('Visible');
+});
+```
+
+### Example 3: Stripe E2E Checkout Flow
+
+Full reference: `tests/stripe-test.spec.ts`  
+Key patterns:
+- Uses `test.setTimeout(120_000)` for long flows
+- Navigates through product page → cart → checkout
+- Interacts with Stripe iframe via `page.frameLocator()`
+- Verifies purchase completion
+
+---
+
+## Best Practices
+
+1. **Always use `test-commons.ts`** — import `loginUser` and `TEST_CONFIG`
+2. **Prefer `getByTestId()`** over fragile CSS selectors
+3. **Use generous timeouts** for network-heavy operations (`15_000`+)
+4. **Set `test.setTimeout`** for long flows (checkout, uploads)
+5. **Clean up after yourself** — restore any data you mutate (see title rename test)
+6. **Screenshot on failure** — already configured in `playwright.config.ts`
+7. **Run with `--workers=1`** for tests that share server state
+8. **Don't call Supabase directly** — fetch through `/api/...` endpoints (same as the app does)
+
+---
+
+## Existing Test Specs
+
+| Spec | Tests | Script |
+|---|---|---|
+| `tests/home.spec.ts` | Home page feed, posts & pages | `npm run test:home` |
+| `tests/post.spec.ts` | Post page | `npm run test:post` |
+| `tests/responsive.spec.ts` | Mobile viewports | `npm run test:responsive` |
+| `tests/pages-meta.spec.ts` | Page editor meta fields | `npm run test:pages-meta` |
+| `tests/stripe-test.spec.ts` | Stripe checkout flow | `npm run test:stripe` |
+| `tests/wizard.spec.ts` | Wizard flow | `npm run test:wizard` |
+| `tests/cache.spec.ts` | Cache behavior | — |
+| `tests/example.spec.ts` | Screenshot captures | `npm run screenshots` |
diff --git a/packages/ui/src/modules/pages/PageCard.tsx b/packages/ui/src/modules/pages/PageCard.tsx
index 177ffcf4..4d9e8bb2 100644
--- a/packages/ui/src/modules/pages/PageCard.tsx
+++ b/packages/ui/src/modules/pages/PageCard.tsx
@@ -79,6 +79,7 @@ const PageCard: React.FC<PageCardProps> = ({
     if (variant === 'feed') {
         return (
             <div
+                data-testid="page-card"
                 className="group relative overflow-hidden transition-all duration-300 cursor-pointer w-full border rounded-lg mb-4"
                 onClick={handleCardClick}
             >
@@ -172,6 +173,7 @@ const PageCard: React.FC<PageCardProps> = ({
     // Grid Variant
     return (
         <div
+            data-testid="page-card"
             className={`group relative overflow-hidden bg-card transition-all duration-300 cursor-pointer w-full rounded-lg ${preset?.showTitle ? '' : (isPlaying && tikTokId ? 'aspect-[9/16]' : 'aspect-square')}`}
             onClick={(e) => {
                 if (isExternalVideo && !isPlaying) {