Add cross-platform support and clean up obsolete files

- Add electron-packager scripts for Windows, macOS, and Linux
- Include universal architecture support for macOS
- Add electron:package:all for building all platforms
- Remove obsolete start-backend.sh script (replaced by Electron auto-start)
- Improve ignore patterns to exclude repo-images folder
- Add platform-specific icon configurations

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

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

package.json

@@ -20,7 +20,11 @@
     "electron": "electron .",
     "electron:dev": "npm run build:backend && NODE_ENV=development electron .",
     "electron:build": "npm run build && electron-builder",
-    "electron:package": "npm run build && electron-packager . Termix --platform=win32 --arch=x64 --out=release --overwrite --ignore=\"^/src|^/public|^/node_modules\" --prune=true",
+    "electron:package": "npm run build && electron-packager . Termix --platform=win32 --arch=x64 --out=release --overwrite --ignore=\"^/src|^/public|^/node_modules|^/repo-images\" --prune=true --icon=public/favicon.ico",
+    "electron:package:win": "npm run build && electron-packager . Termix --platform=win32 --arch=x64 --out=release --overwrite --ignore=\"^/src|^/public|^/node_modules|^/repo-images\" --prune=true --icon=public/favicon.ico",
+    "electron:package:mac": "npm run build && electron-packager . Termix --platform=darwin --arch=universal --out=release --overwrite --ignore=\"^/src|^/public|^/node_modules|^/repo-images\" --prune=true --icon=public/icon.png",
+    "electron:package:linux": "npm run build && electron-packager . Termix --platform=linux --arch=x64 --out=release --overwrite --ignore=\"^/src|^/public|^/node_modules|^/repo-images\" --prune=true --icon=public/icon.png",
+    "electron:package:all": "npm run build && npm run electron:package:win && npm run electron:package:mac && npm run electron:package:linux",
     "dist": "npm run build && electron-builder --publish=never",
     "dist:win": "npm run dist -- --win",
     "dist:mac": "npm run dist -- --mac",

start-backend.sh

@@ -1,43 +0,0 @@
-#!/bin/bash
-
-echo "Starting Termix Backend Services..."
-
-# 设置环境变量
-export NODE_ENV=${NODE_ENV:-production}
-export DATA_PATH=${DATA_PATH:-./data}
-
-# 检查是否已经构建
-if [ ! -d "dist/backend" ]; then
-    echo "Building backend..."
-    npm run build:backend
-fi
-
-# 检查端口是否被占用的函数
-check_port() {
-    local port=$1
-    if lsof -Pi :$port -sTCP:LISTEN -t >/dev/null 2>&1; then
-        echo "Port $port is already in use"
-        return 1
-    fi
-    return 0
-}
-
-# 启动所有后端服务
-echo "Starting backend services..."
-echo "- Database API (8081)"
-echo "- WebSocket Terminal (8082)" 
-echo "- Tunnel Management (8083)"
-echo "- File Manager (8084)"
-echo "- Server Statistics (8085)"
-
-# 检查关键端口
-for port in 8081 8082 8083 8084 8085; do
-    if ! check_port $port; then
-        echo "Error: Port $port is in use. Please stop the conflicting service."
-        exit 1
-    fi
-done
-
-# 启动主服务（会自动启动所有其他服务）
-echo "Starting all services via starter.js..."
-node dist/backend/starter.js