fix(ci): fetch-desktop-bin curl 加固(windows 外网 GFW 抖动)

wintun.net / github 下载偶发超时(curl 28)。retry 3→8、加 --retry-all-errors
+ --retry-connrefused + --connect-timeout 20,拉长重试窗口以命中可达时刻。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013nMthbVEmQquxBRKb9Fj8u

.gitea/workflows/deploy-client.yml

@@ -83,17 +83,19 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Download android artifact
+      # 一次性下所有 artifact(不带 name),避免同 job 内两次复用 download-artifact
+      # action → act 对其只读缓存 git 仓库做二次操作时 EACCES(pack idx 444)。
+      - name: Download all artifacts
         uses: actions/download-artifact@v3
         with:
-          name: android
-          path: dist/
+          path: dist-raw/
 
-      - name: Download windows artifact
-        uses: actions/download-artifact@v3
-        with:
-          name: windows
-          path: dist/
+      - name: Flatten artifacts into dist/
+        shell: bash
+        run: |
+          mkdir -p dist
+          find dist-raw -type f -exec cp {} dist/ \;
+          echo "dist/ 内容:"; ls -la dist/
 
       - name: Release → Forgejo
         env:

app/kernel/fetch-desktop-bin.sh

@@ -140,7 +140,7 @@ fi
 
 # ── 下载二进制压缩包 ──────────────────────────────────────────────────────────
 printf '==> 下载 %s…\n' "${ARCHIVE_FILE}"
-curl -fSL --retry 3 --retry-delay 2 \
+curl -fSL --retry 8 --retry-delay 5 --retry-connrefused --retry-all-errors --connect-timeout 20 \
     -o "${ARCHIVE_CACHE}" \
     "${ARCHIVE_URL}"
 
@@ -197,7 +197,7 @@ if [[ "${TARGET_OS}" == "windows" ]]; then
     if [[ "${FORCE}" == false && -f "${WINTUN_OUT}" ]]; then
         printf '✓ wintun.dll 已存在，跳过（传 --force 重新下载）\n'
     else
-        curl -fSL --retry 3 --retry-delay 2 \
+        curl -fSL --retry 8 --retry-delay 5 --retry-connrefused --retry-all-errors --connect-timeout 20 \
             -o "${WINTUN_ZIP_CACHE}" \
             "${WINTUN_URL}"