ci(e2e): harden workflow triggers and browser cache

Author: mikehardy

.github/workflows/e2e.yaml

@@ -4,7 +4,23 @@ on:
   push:
     branches:
       - main
+    paths:
+      - 'packages/**'
+      - 'examples/**'
+      - 'e2e/**'
+      - '.github/workflows/e2e.yaml'
+      - 'package.json'
+      - 'pnpm-lock.yaml'
+      - 'pnpm-workspace.yaml'
   pull_request:
+    paths:
+      - 'packages/**'
+      - 'examples/**'
+      - 'e2e/**'
+      - '.github/workflows/e2e.yaml'
+      - 'package.json'
+      - 'pnpm-lock.yaml'
+      - 'pnpm-workspace.yaml'
 
 permissions:
   contents: read
@@ -30,6 +46,20 @@ jobs:
       - name: Install dependencies
         run: pnpm install
 
+      - name: Resolve Playwright version
+        id: playwright-version
+        run: |
+          version="$(pnpm --filter=e2e exec node -p "require('@playwright/test/package.json').version")"
+          echo "playwright-version=${version}" >> "$GITHUB_OUTPUT"
+
+      - name: Cache Playwright browsers
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
+        with:
+          path: ~/.cache/ms-playwright
+          key: playwright-${{ runner.os }}-${{ steps.playwright-version.outputs.playwright-version }}
+          restore-keys: |
+            playwright-${{ runner.os }}-
+
       - name: Install Firebase CLI
         run: npm i -g firebase-tools@14.15.2
 
@@ -49,5 +79,5 @@ jobs:
       - name: Install Playwright browsers
         run: pnpm --filter=e2e exec playwright install --with-deps chromium
 
-      - name: Run UI e2e smoke (react, shadcn, nextjs, nextjs-ssr)
+      - name: Run UI e2e smoke
         run: pnpm test:e2e

developer-docs/work-queues/playwright-e2e-smoke.md

@@ -205,9 +205,9 @@ Update immediately after each step closes a gate. All items start `open` / `impl
 | 2b | 2b.2 fix NG0201 bootstrap | closed | closed | closed | test(angular): e2e test for angular example | — | — | fixed via peer-resolved injected workspace dependency + provider factory cleanup. |
 | 2b | 2b.3 wire angular into serial runner | closed | closed | closed | test(angular): e2e test for angular example | — | — | `pnpm test:e2e` = five UI examples, green locally. |
 | 2b | 2b.4 add angular to CI + verify | closed | closed | closed | test(angular): e2e test for angular example | — | — | workflow already runs `pnpm test:e2e`; next PR run verifies in GHA. |
-| 3 | 3.1 e2e workflow browser cache | open | open | open | — | implementation | area-focused | blocked on 2.5 CI baseline |
-| 3 | 3.2 broad path triggers | open | open | open | — | implementation | unit-focused | |
-| 4 | 4.1 custom-auth-server HTTP smoke (:4001) | open | open | open | — | implementation | area-focused | |
+| 3 | 3.1 e2e workflow browser cache | closed | closed | closed | ci(e2e): harden workflow triggers and browser cache | — | — | browser cache keyed by resolved `@playwright/test` version; static review green. |
+| 3 | 3.2 broad path triggers | closed | closed | closed | ci(e2e): harden workflow triggers and browser cache | — | — | AD-7 paths added for packages/examples/e2e/workflow/root manifests. |
+| 4 | 4.1 custom-auth-server HTTP smoke (:4001) | open | open | open | — | implementation | area-focused | **Next pickup.** |
 | 5 | 5.1 VITE_E2E skip oneTapSignIn | open | open | open | — | implementation | unit-focused | only if flaky |
 | 5 | 5.2 NEXT_PUBLIC_E2E skip autoAnonymousLogin | open | open | open | — | implementation | unit-focused | only if flaky |
 | 6 | 6.1 align example deps | open | open | open | — | implementation | area-focused | |