Improved commit message for firmware build

.github/workflows/validate_esphome.yml

@@ -201,13 +201,24 @@ jobs:
           cp prebuilt/.esphome/build/nspanel/.pioenvs/nspanel/firmware.bin prebuilt/nspanel_esphome_prebuilt.bin || true
           cp prebuilt/.esphome/build/nspanel/.pioenvs/nspanel/firmware-factory.bin prebuilt/nspanel_esphome_prebuilt-factory.bin || true
 
-      - name: Commit and Push Firmware File
+      - name: Set Commit Message
+        id: set_commit_message
+        run: |
+          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
+            echo "COMMIT_MESSAGE=Pre-built firmware for NSPanel - ${{ github.event.pull_request.title }}" >> $GITHUB_ENV
+          elif [[ "${{ github.event_name }}" == "push" ]]; then
+            commit_message=$(git log -1 --pretty=format:'%s')
+            echo "COMMIT_MESSAGE=Pre-built firmware for NSPanel - $commit_message" >> $GITHUB_ENV
+          else
+            echo "COMMIT_MESSAGE=Pre-built firmware for NSPanel" >> $GITHUB_ENV
+          fi
+
+      - name: Commit and Push Firmware Files
         run: |
           git config --global user.name 'GitHub Actions'
           git config --global user.email 'actions@github.com'
-          commit_message="${{ github.event.pull_request.title || 'Actions' }}"
           git add prebuilt/*.bin
-          git commit -m "Pre-built firmware for NSPanel - $commit_message"
+          git commit -m "${{ env.COMMIT_MESSAGE }}"
           git push
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}