chore(14-01): update spec headers + README for desktop profile, cosmetic CI step rename

- Updated calendar.spec.ts header to list all three profiles (iphone/pixel/desktop)
- Updated lists.spec.ts header to list all three profiles (iphone/pixel/desktop)
- Updated e2e/README.md preamble to add 'Desktop Chrome (1280x720)'
- Added --project=desktop example to README run-commands block
- Updated README full-suite command comment to name all three profiles
- Cosmetic: ci.yml step-name and comment updated to mention desktop (no plumbing change)
- Full suite verified: 85 passed, 5 skipped (3 desktop geometry + 2 parity guards), 0 failed

.gitea/workflows/ci.yml

@@ -252,7 +252,7 @@ jobs:
       # CI=true makes Playwright start Vite :5173 itself (reuseExistingServer=false), use
       # retries:2/workers:1, and apply reporter:'github' — which --reporter=list,html overrides
       # because Gitea does not render github annotations (Pitfall 5 / D-06). Both projects run.
-      - name: Run harness (start API + Playwright iphone + pixel)
+      - name: Run harness (start API + Playwright iphone + pixel + desktop)
         env:
           CI: 'true'
           # Use 127.0.0.1 (not localhost): the runner image resolves `localhost` to ::1 first,
@@ -284,7 +284,7 @@ jobs:
           done
           echo "API ready at :3000"
 
-          # Run the Phase 7 harness across both profiles; preserve its exit code, always kill the API.
+          # Run the Phase 7/14 harness across all three profiles (iphone, pixel, desktop); preserve its exit code, always kill the API.
           # Call the pwa test:e2e script DIRECTLY (single pnpm layer) and append --reporter without a
           # `--` separator: `pnpm <root> test:e2e -- <args>` double-forwards the `--` into
           # `playwright test -- <args>`, where playwright treats --reporter as a test-file filter →