fix: trigger screenshots on push to main and always commit results

- Add main branch to push triggers so screenshots generate immediately
- Remove tag-only gate on commit step
- Pass --config flag to Playwright so it finds the config
- Use [skip ci] in commit message to avoid infinite loops

Author: mpge

.github/workflows/screenshots.yml

@@ -2,6 +2,7 @@ name: Generate Screenshots
 
 on:
   push:
+    branches: [main]
     tags: ['v*']
   workflow_dispatch:
 
@@ -79,7 +80,7 @@ jobs:
       - name: Take Screenshots
         run: |
           cd $GITHUB_WORKSPACE
-          npx playwright test screenshots/wp-admin.spec.js --reporter=list
+          npx playwright test screenshots/wp-admin.spec.js --config=screenshots/playwright.config.js --reporter=list
 
       - name: Upload Screenshots
         uses: actions/upload-artifact@v4
@@ -88,10 +89,9 @@ jobs:
           path: screenshots/results/
 
       - name: Commit Screenshots
-        if: github.ref_type == 'tag'
         run: |
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
           git add screenshots/results/
-          git commit -m "docs: update wp-admin screenshots" || true
+          git diff --staged --quiet || git commit -m "docs: update wp-admin screenshots [skip ci]"
           git push origin HEAD:main || true