fix: improve extension publishing step to handle missing files

.gitea/workflows/ci.yml

@@ -59,12 +59,17 @@ jobs:
       - name: Publish to Mozilla Add-ons
         if: github.event_name == 'push' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/master')
         run: |
-          # Ensure dependencies are available (npm ci ran earlier in this job)
+          # Find the built extension file (zip/xpi) in dist/
+          EXT_FILE=$(find dist -maxdepth 1 -type f \( -name "*.zip" -o -name "*.xpi" \) | head -n 1)
+          if [ -z "$EXT_FILE" ]; then
+            echo "No extension package found in dist/"
+            exit 1
+          fi
           npx web-ext sign \
             --api-key ${{ secrets.MOZILLA_ADDON_API_KEY }} \
             --api-secret ${{ secrets.MOZILLA_ADDON_API_SECRET }} \
             --channel listed \
-            --source-dir dist \
+            --source-dir "$EXT_FILE" \
             --artifacts-dir dist
 
       - name: Push changes