fix(service-party-app): fix build script and remove icon requirement

- Rewrite build-windows.bat in English to avoid encoding issues
- Remove icon configuration from electron-builder.json (use default)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/mpc-system/services/service-party-app/build-windows.bat

@@ -3,117 +3,113 @@ chcp 65001 >nul
 setlocal enabledelayedexpansion
 
 echo ============================================
-echo   Service Party App - Windows 编译脚本
+echo   Service Party App - Windows Build Script
 echo ============================================
 echo.
 
 cd /d "%~dp0"
 
-:: 检查 Node.js
+:: Check Node.js
 where node >nul 2>nul
 if %errorlevel% neq 0 (
-    echo [错误] 未找到 Node.js，请先安装 Node.js 18+
-    echo 下载地址: https://nodejs.org/
+    echo [ERROR] Node.js not found. Please install Node.js 18+
+    echo Download: https://nodejs.org/
     goto :error
 )
 
-:: 检查 Go
+:: Check Go
 where go >nul 2>nul
 if %errorlevel% neq 0 (
-    echo [错误] 未找到 Go，请先安装 Go 1.21+
-    echo 下载地址: https://go.dev/dl/
+    echo [ERROR] Go not found. Please install Go 1.21+
+    echo Download: https://go.dev/dl/
     goto :error
 )
 
-:: 显示版本信息
-echo [信息] Node.js 版本:
+:: Show versions
+echo [INFO] Node.js version:
 node --version
-echo [信息] Go 版本:
+echo [INFO] Go version:
 go version
 echo.
 
-:: 步骤 1: 编译 TSS 子进程
+:: Step 1: Build TSS subprocess
 echo ============================================
-echo [1/4] 编译 TSS 子进程 (Go)...
+echo [1/4] Building TSS subprocess (Go)...
 echo ============================================
 
 cd tss-party
 if not exist "..\bin\win32-x64" mkdir "..\bin\win32-x64"
 
-echo 正在编译 tss-party.exe...
+echo Building tss-party.exe...
 go build -ldflags="-s -w" -o ..\bin\win32-x64\tss-party.exe .
 if %errorlevel% neq 0 (
-    echo [错误] TSS 子进程编译失败
+    echo [ERROR] TSS subprocess build failed
     goto :error
 )
-echo [成功] tss-party.exe 已生成
+echo [OK] tss-party.exe created
 cd ..
 echo.
 
-:: 步骤 2: 安装依赖
+:: Step 2: Install dependencies
 echo ============================================
-echo [2/4] 安装 npm 依赖...
+echo [2/4] Installing npm dependencies...
 echo ============================================
 
 if exist "node_modules" (
-    echo 依赖已存在，跳过安装 (如需重新安装请删除 node_modules 文件夹)
+    echo Dependencies exist, skipping install
 ) else (
     call npm install
     if %errorlevel% neq 0 (
-        echo [错误] npm install 失败
+        echo [ERROR] npm install failed
         goto :error
     )
 )
-echo [成功] 依赖安装完成
+echo [OK] Dependencies installed
 echo.
 
-:: 步骤 3: 创建图标 (如果不存在)
+:: Step 3: Check resources
 echo ============================================
-echo [3/4] 检查资源文件...
+echo [3/4] Checking resources...
 echo ============================================
 
 if not exist "build" mkdir "build"
-if not exist "build\icon.ico" (
-    echo [警告] 未找到 build\icon.ico，将使用默认图标
-    echo 如需自定义图标，请将 icon.ico (256x256) 放入 build 文件夹
-)
+if not exist "build\icon.ico" echo [WARN] build\icon.ico not found, using default icon
 echo.
 
-:: 步骤 4: 编译 Electron 应用
+:: Step 4: Build Electron app
 echo ============================================
-echo [4/4] 编译 Windows 应用...
+echo [4/4] Building Windows application...
 echo ============================================
 
-:: 编译 TypeScript 和 Vite
-echo 正在编译前端代码...
+echo Building frontend code...
 call npm run build:win
 if %errorlevel% neq 0 (
-    echo [错误] 应用编译失败
+    echo [ERROR] Application build failed
     goto :error
 )
 
 echo.
 echo ============================================
-echo   编译完成!
+echo   Build Complete!
 echo ============================================
 echo.
-echo 输出目录: %cd%\release\
+echo Output directory: %cd%\release\
 echo.
 
-:: 列出生成的文件
+:: List generated files
 if exist "release" (
-    echo 生成的文件:
+    echo Generated files:
     dir /b release\*.exe 2>nul
 )
 
 echo.
-echo 按任意键退出...
+echo Press any key to exit...
 pause >nul
 exit /b 0
 
 :error
 echo.
-echo 编译失败，请检查错误信息
+echo Build failed. Please check error messages.
 echo.
 pause
 exit /b 1

backend/mpc-system/services/service-party-app/electron-builder.json

@@ -25,7 +25,6 @@
         "arch": ["x64"]
       }
     ],
-    "icon": "build/icon.ico",
     "artifactName": "${productName}-${version}-${platform}-${arch}.${ext}"
   },
   "nsis": {