Add build scripts for project packaging and cleanup

- Add `build.sh` to orchestrate the entire build process including Python and Electron apps.
- Add `build-electron.sh` to handle installation and build of the Electron frontend.
- Add `clean.sh` to remove old build artifacts and dependencies.

scripts/build-electron.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+# scripts/build-electron.sh
+
+# 脚本出错时立即退出
+set -e
+
+# 进入 Electron 应用目录
+cd electron-app
+
+# --- 安装依赖 ---
+echo "--- 安装 Node.js 依赖 ---"
+npm install
+
+# --- 构建 Electron 应用 ---
+echo "--- 开始构建 Electron 应用 (macOS) ---"
+npm run build-mac
+
+echo "--- Electron 应用构建完成 ---"
+# 构建产物位于 electron-app/dist/ 目录

scripts/build.sh

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+#!/bin/bash
+# scripts/build.sh
+
+# 脚本出错时立即退出
+set -e
+
+# --- 步骤 1: 清理环境 ---
+echo ">>> 步骤 1/3: 清理旧的构建产物..."
+bash scripts/clean.sh
+
+# --- 步骤 2: 打包 Python 应用 ---
+echo ">>> 步骤 2/3: 打包 Python 后端..."
+bash scripts/build-python.sh
+
+# --- 步骤 3: 构建 Electron 应用 ---
+echo ">>> 步骤 3/3: 构建 Electron 前端..."
+bash scripts/build-electron.sh
+
+# --- 完成 ---
+echo "-------------------------------------"
+echo "✅ 构建成功!"
+echo "macOS 应用位于: electron-app/dist/"
+echo "-------------------------------------"

scripts/clean.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+# scripts/clean.sh
+
+echo "--- 开始清理项目 ---"
+
+# 删除 PyInstaller 构建相关的文件
+rm -rf ./dist
+rm -rf ./build/voice_dialogue
+
+# 删除 Electron 相关文件
+rm -rf ./electron-app/dist
+rm -rf ./electron-app/node_modules
+rm -rf ./electron-app/python-dist
+rm -f ./electron-app/package-lock.json
+
+echo "--- 清理完成 ---"