debug(ci): force Pack+upload to run regardless of previous step

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.gitea/workflows/build.yml

@@ -292,7 +292,7 @@ jobs:
           if ($code -ne 0) { exit $code }
 
       - name: Pack + upload publish.tar.gz
-        if: success()
+        if: always()   # debug: force-run even if previous step is marked failed
         shell: powershell
         env:
           REG_USER: ${{ secrets.REGISTRY_USER }}