feat(web): Product, How it works, Trust, Pricing and Docs pages, with a marketing e2e check

Pricing shows no plans, prices or free trial until decided. Docs search and articles without pages are shown but not linked. Disables the agent file that next dev generates.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014SdXCbrN5PtGExkpvMaMHx

e2e/playwright.marketing.config.ts

@@ -0,0 +1,16 @@
+import { defineConfig } from '@playwright/test';
+
+/** Marketing-site checks only: needs the web app, not the API. Run with `pnpm --filter @wursor/e2e test:marketing`. */
+export default defineConfig({
+  testDir: './tests',
+  testMatch: 'marketing.test.ts',
+  fullyParallel: true,
+  retries: 0,
+  use: { baseURL: 'http://localhost:5173', launchOptions: { executablePath: process.env.PLAYWRIGHT_CHROMIUM_PATH ?? undefined } },
+  webServer: {
+    command: 'pnpm --filter @wursor/web dev',
+    url: 'http://localhost:5173',
+    reuseExistingServer: !process.env.CI,
+    timeout: 120_000,
+  },
+});