fix: add frontend build step to generate-contacts workflow

.github/workflows/generate-contacts.yml

@@ -14,7 +14,10 @@ jobs:
   generate:
     name: Generate Filtered Contact Lists
     runs-on: ubuntu-latest
-
+    permissions:
+      contents: write      # Required to push commits to new branch
+      pull-requests: write # Required to create PRs
+
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4
@@ -25,7 +28,18 @@ jobs:
       uses: actions/setup-go@v5
       with:
         go-version: '1.26.1'
-
+
+    - name: Set up Bun
+      uses: oven-sh/setup-bun@v1
+      with:
+        bun-version: latest
+
+    - name: Build frontend
+      run: |
+        cd frontend
+        bun install
+        bun run build
+
     - name: Cache RadioID.net contacts
       uses: actions/cache@v4
       id: cache-radioid
@@ -62,22 +76,38 @@ jobs:
           fi
         done
 
-    - name: Check for changes
-      id: check-changes
-      run: |
-        git add generated/
-        if git diff --cached --quiet; then
-          echo "No changes to commit"
-          echo "changed=false" >> $GITHUB_OUTPUT
-        else
-          echo "Changes detected"
-          echo "changed=true" >> $GITHUB_OUTPUT
-        fi
-
-    - name: Commit and push generated contacts
-      if: steps.check-changes.outputs.changed == 'true'
+    - name: Create Pull Request
+      id: create-pr
+      uses: peter-evans/create-pull-request@v6
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        commit-message: "Update filtered contact lists"
+        title: "Auto: Update filtered contact lists"
+        body: |
+          This PR was automatically generated by the contact list workflow.
+
+          ## Changes
+          - Updated contact lists based on filter files in `filters/`
+          - Source: RadioID.net user.csv
+          - Triggered by: ${{ github.event_name }}
+
+          ## Files Changed
+          Files in `generated/` directory have been updated.
+
+          ## Review Checklist
+          - [ ] Verify contact counts are reasonable
+          - [ ] Check for unexpected changes
+          - [ ] Confirm filter files are correct
+        branch: auto/update-contacts-${{ github.run_id }}
+        delete-branch: true
+        add-paths: |
+          generated/*.csv
+
+    - name: Summary
+      if: steps.create-pr.outputs.pull-request-number != ''
       run: |
-        git config --local user.email "github-actions[bot]@users.noreply.github.com"
-        git config --local user.name "github-actions[bot]"
-        git commit -m "Update filtered contact lists [skip ci]"
-        git push
+        echo "## Pull Request Created" >> $GITHUB_STEP_SUMMARY
+        echo "" >> $GITHUB_STEP_SUMMARY
+        echo "- **PR #${{ steps.create-pr.outputs.pull-request-number }}**: ${{ steps.create-pr.outputs.pull-request-url }}" >> $GITHUB_STEP_SUMMARY
+        echo "" >> $GITHUB_STEP_SUMMARY
+        echo "Please review the generated contact lists before merging."