fix(ci): clone repo locally and zip with python zipfile

Clone from Gitea in-runner instead of actions/checkout; build media-assets.zip via stdlib zipfile.

Co-authored-by: Cursor <cursoragent@cursor.com>

.gitea/workflows/release.yml

@@ -15,16 +15,47 @@ jobs:
           pwd
           ls -la
 
+      - name: Clone repository
+        run: |
+          rm -rf repo
+          git clone --depth 1 "${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git" repo
+          cd repo
+          git rev-parse HEAD
+          ls -la
+
       - name: Build stable zip
+        working-directory: repo
         run: |
           rm -rf dist
           mkdir -p dist/media-assets
-          cp README.md manifest.json dist/media-assets/
-          cp -r music fonts watermark dist/media-assets/
-          cd dist
-          zip -r media-assets.zip media-assets
+
+          cp -R README.md dist/media-assets/
+          cp -R manifest.json dist/media-assets/
+          cp -R music dist/media-assets/
+          cp -R fonts dist/media-assets/
+          cp -R watermark dist/media-assets/
+
+          python3 - <<'PY'
+          from pathlib import Path
+          from zipfile import ZipFile, ZIP_DEFLATED
+
+          root = Path("dist/media-assets")
+          out = Path("dist/media-assets.zip")
+          if out.exists():
+              out.unlink()
+
+          with ZipFile(out, "w", ZIP_DEFLATED) as zf:
+              for path in root.rglob("*"):
+                  if path.is_file():
+                      zf.write(path, path.relative_to("dist"))
+
+          print(f"created {out} size={out.stat().st_size}")
+          PY
+
+          ls -lh dist
 
       - name: Publish stable release asset
+        working-directory: repo
         env:
           GITEA_SERVER_URL: https://git.jc2009.com
           GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}