Add documentation and scripts

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/fix-git-network.ps1

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+# Git 网络连接问题修复脚本
+# 用途：配置 Git 代理或切换到 SSH
+
+param(
+    [string]$ProxyHost = "127.0.0.1",
+    [int]$ProxyPort = 7890,
+    [switch]$UseSSH,
+    [switch]$RemoveProxy
+)
+
+Write-Host "=== Git 网络连接问题修复 ===" -ForegroundColor Cyan
+Write-Host ""
+
+if ($RemoveProxy) {
+    Write-Host "移除 Git 代理配置..." -ForegroundColor Yellow
+    git config --global --unset http.proxy 2>$null
+    git config --global --unset https.proxy 2>$null
+    git config --global --unset http.https://github.com.proxy 2>$null
+    git config --global --unset https.https://github.com.proxy 2>$null
+    Write-Host "✓ 代理配置已移除" -ForegroundColor Green
+    exit 0
+}
+
+if ($UseSSH) {
+    Write-Host "切换到 SSH 连接..." -ForegroundColor Yellow
+    Write-Host ""
+    
+    # 检查 SSH 密钥是否存在
+    $sshKeyPath = "$env:USERPROFILE\.ssh\id_ed25519.pub"
+    if (-not (Test-Path $sshKeyPath)) {
+        Write-Host "未找到 SSH 密钥，正在生成..." -ForegroundColor Yellow
+        ssh-keygen -t ed25519 -C "bujie9527@github.com" -f "$env:USERPROFILE\.ssh\id_ed25519" -N '""'
+        Write-Host "✓ SSH 密钥已生成" -ForegroundColor Green
+    }
+    
+    # 显示公钥
+    Write-Host ""
+    Write-Host "SSH 公钥内容（需要添加到 GitHub）:" -ForegroundColor Cyan
+    Write-Host "---"
+    Get-Content $sshKeyPath
+    Write-Host "---"
+    Write-Host ""
+    Write-Host "请执行以下步骤:" -ForegroundColor Yellow
+    Write-Host "1. 复制上面的公钥内容" -ForegroundColor Gray
+    Write-Host "2. 访问: https://github.com/settings/keys" -ForegroundColor Gray
+    Write-Host "3. 点击 'New SSH key'" -ForegroundColor Gray
+    Write-Host "4. 粘贴公钥并保存" -ForegroundColor Gray
+    Write-Host ""
+    
+    $continue = Read-Host "已添加 SSH 密钥到 GitHub? (y/n)"
+    if ($continue -eq "y" -or $continue -eq "Y") {
+        # 测试 SSH 连接
+        Write-Host "测试 SSH 连接..." -ForegroundColor Yellow
+        $testResult = ssh -T git@github.com 2>&1
+        if ($testResult -match "successfully authenticated") {
+            Write-Host "✓ SSH 连接成功" -ForegroundColor Green
+            
+            # 更改远程 URL
+            Write-Host "更改远程仓库 URL 为 SSH..." -ForegroundColor Yellow
+            git remote set-url origin git@github.com:bujie9527/wecom-ai-assistant.git
+            Write-Host "✓ 远程 URL 已更改为 SSH" -ForegroundColor Green
+            Write-Host ""
+            Write-Host "现在可以尝试推送:" -ForegroundColor Cyan
+            Write-Host "  git push -u origin main" -ForegroundColor Gray
+        } else {
+            Write-Host "✗ SSH 连接失败，请检查 SSH 密钥是否正确添加到 GitHub" -ForegroundColor Red
+        }
+    }
+} else {
+    Write-Host "配置 Git HTTP/HTTPS 代理..." -ForegroundColor Yellow
+    Write-Host ""
+    Write-Host "代理地址: http://${ProxyHost}:${ProxyPort}" -ForegroundColor Cyan
+    Write-Host ""
+    
+    # 仅针对 GitHub 设置代理
+    git config --global http.https://github.com.proxy "http://${ProxyHost}:${ProxyPort}"
+    git config --global https.https://github.com.proxy "http://${ProxyHost}:${ProxyPort}"
+    
+    Write-Host "✓ 代理已配置" -ForegroundColor Green
+    Write-Host ""
+    Write-Host "验证配置:" -ForegroundColor Yellow
+    git config --global --get http.https://github.com.proxy
+    git config --global --get https.https://github.com.proxy
+    Write-Host ""
+    Write-Host "现在可以尝试推送:" -ForegroundColor Cyan
+    Write-Host "  git push -u origin main" -ForegroundColor Gray
+    Write-Host ""
+    Write-Host "如果代理端口不同，请使用:" -ForegroundColor Yellow
+    Write-Host "  .\scripts\fix-git-network.ps1 -ProxyPort 你的端口号" -ForegroundColor Gray
+}
+
+Write-Host ""
+Write-Host "其他选项:" -ForegroundColor Cyan
+Write-Host "  - 切换到 SSH: .\scripts\fix-git-network.ps1 -UseSSH" -ForegroundColor Gray
+Write-Host "  - 移除代理: .\scripts\fix-git-network.ps1 -RemoveProxy" -ForegroundColor Gray