ci: run tests before extension packaging

.github/workflows/deploy.yml

@@ -14,7 +14,18 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Install deps
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+
+      - name: Install project dependencies
+        run: npm ci
+
+      - name: Test
+        run: npm test
+
+      - name: Install web-ext
         run: npm install -g web-ext
 
       - name: Lint

IMPLEMENTATION_PLAN.md

@@ -25,7 +25,7 @@ Constraints: local commits only; no push; no browser testing; one commit per fea
 
 - [x] Initialize and synchronize the disabled toolbar icon from background state.
 - [x] Correct shortcut, subtitle-nudge, live-update, and obsolete troubleshooting copy.
-- [ ] Run automated tests in the release workflow before packaging.
+- [x] Run automated tests in the release workflow before packaging.
 
 ## Verification