fix(npm) :: install dependencies only once at root level

.github/workflows/ci.yml

@@ -201,9 +201,11 @@ jobs:
         with:
           node-version: 24
           cache: 'npm'
-          cache-dependency-path: ./tests/end-to-end/package-lock.json
+          cache-dependency-path: ./package-lock.json
       - run: sudo apt-get update && sudo apt-get install -y unixodbc-dev
-      - run: npm ci && npx playwright install --with-deps --only-shell chromium
+      - run: npm ci
+        working-directory: .
+      - run: npx playwright install --with-deps --only-shell chromium
       # The browser tests exercise the official site, but they do not need a
       # separate Rust build. Reuse the binary compiled and tested above.
       - name: Download Linux binary

.gitignore

@@ -12,3 +12,5 @@ xbed.sql
 node_modules/
 sqlpage/sqlpage.db
 tests_uploads/
+/test-results/
+/playwright-report/

CONTRIBUTING.md

@@ -109,8 +109,8 @@ cargo run
 In a separate terminal, run the tests:
 
 ```bash
-cd tests/end-to-end
 npm install
+cd tests/end-to-end
 npx playwright install chromium
 npm run test
 ```

package.json

@@ -13,5 +13,8 @@
   "license": "MIT",
   "devDependencies": {
     "@biomejs/biome": "^2.5.4"
-  }
+  },
+  "workspaces": [
+    "tests/end-to-end"
+  ]
 }