fix: update Lighthouse CI workflow to run on pull requests

.github/workflows/lighthouse_comment.yml

@@ -0,0 +1,54 @@
+name: Lighthouse CI
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pull-requests: write
+  issues: write
+
+jobs:
+  lighthouse:
+    runs-on: ubuntu-latest
+
+    steps:
+      # 1. Checkout code
+      - name: Checkout repo
+        uses: actions/checkout@v4
+
+      # 2. Setup Node
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 18
+
+      # 3. Install dependencies (if needed)
+      - name: Install dependencies
+        run: npm install
+
+      # 4. Build project (if React/Vite)
+      - name: Build project
+        run: npm run build
+
+      # 5. Run Lighthouse CI
+      - name: Run Lighthouse CI
+        uses: treosh/lighthouse-ci-action@v11
+        with:
+          urls: |
+            https://your-live-site-url.com
+          uploadArtifacts: true
+
+      # 6. Generate comment file
+      - name: Create Lighthouse comment
+        run: |
+          echo "## 🚀 Lighthouse Report" > lighthouse-comment.md
+          echo "Check performance report in artifacts." >> lighthouse-comment.md
+
+      # 7. Post comment on PR
+      - name: Post Lighthouse comment
+        uses: peter-evans/create-or-update-comment@v4
+        with:
+          issue-number: ${{ github.event.pull_request.number }}
+          body-path: lighthouse-comment.md
+          edit-mode: replace