fix(updater): use separate yml files for Windows architectures

- Windows x64: uses default latest.yml
- Windows ARM64: uses channel 'arm64' -> latest-arm64.yml
- Removed complex merge script that was causing CI failures
- This ensures backward compatibility with older versions

Author: legeling

.github/workflows/release.yml

@@ -143,16 +143,11 @@ jobs:
         shell: bash
         run: echo "VERSION=${GITHUB_REF_NAME#v}" >> "$GITHUB_ENV"
 
-      - name: Merge Windows update metadata
+      - name: List artifacts for debugging
         shell: bash
         run: |
-          x64_yml=$(find artifacts -name "latest.yml" -path "*/win-x64-build/*" | head -1)
-          arm64_yml=$(find artifacts -name "latest-arm64.yml" -path "*/win-arm64-build/*" | head -1)
-          if [ -n "$x64_yml" ] && [ -n "$arm64_yml" ]; then
-            echo "Merging Windows ARM64 metadata into latest.yml..."
-            python3 -c "import sys, re; x, a = sys.argv[1:3]; xc = open(x).read(); ac = open(a).read(); m = re.search(r'(\s+-\s+url:.*?arm64\.exe.*?\n\s+sha512:.*?\n\s+size:.*?\n)', ac, re.S); open(x, 'w').write(re.sub(r'(files:\s*\n\s+-\s+url:.*?\n\s+sha512:.*?\n\s+size:.*?\n)', r'\1' + m.group(1), xc, flags=re.S)) if m else print('Warning: No ARM64 entry found')" "$x64_yml" "$arm64_yml"
-            rm -f "$arm64_yml"
-          fi
+          echo "=== Artifact structure ==="
+          find artifacts -type f -name "*.yml" -o -name "*.exe" -o -name "*.dmg" | head -50
 
       - name: Create Release
         uses: softprops/action-gh-release@v1

src/main/updater.ts

@@ -248,15 +248,22 @@ export function initUpdater(win: BrowserWindow) {
   autoUpdater.autoDownload = false;
   autoUpdater.autoInstallOnAppQuit = true;
 
-  // electron-updater default behavior (no channel override needed):
-  // electron-updater 默认行为（不需要覆盖 channel）：
-  // - Windows: looks for 'latest.yml'
-  // - macOS: looks for 'latest-mac.yml'
-  // - Linux: looks for 'latest-linux.yml'
+  // electron-updater channel configuration:
+  // electron-updater channel 配置：
+  // - Windows x64: uses default 'latest.yml'
+  // - Windows ARM64: uses 'arm64' channel -> 'latest-arm64.yml'
+  // - macOS: uses default 'latest-mac.yml'
+  // - Linux: uses default 'latest-linux.yml'
   //
-  // Our CI generates these files with the correct names.
-  // 我们的 CI 会生成这些正确命名的文件。
-  console.log(`[Updater] Platform: ${process.platform}, Arch: ${process.arch}`);
+  // This ensures backward compatibility with older versions that don't set channel.
+  // 这确保了与旧版本的向后兼容性（旧版本不设置 channel）。
+  if (process.platform === 'win32' && process.arch === 'arm64') {
+    autoUpdater.channel = 'arm64';
+    console.log(`[Updater] Windows ARM64 detected, using channel: arm64`);
+  } else {
+    console.log(`[Updater] Platform: ${process.platform}, Arch: ${process.arch}, using default channel`);
+  }
+
 
   // Update check error
   // 检查更新出错