fix(deploy): 初始化并校验公开 API 地址

update.ps1

@@ -177,6 +177,13 @@ if (-not (Test-Path ".env")) { Write-Err "未找到 .env，请先执行 start.ps
 . (Join-Path $scriptDir "scripts\Initialize-SecurityEnv.ps1")
 Initialize-SecurityEnv -Path (Join-Path $scriptDir ".env") -Mode "upgrade"
 
+# 在更新镜像和重建服务前迁移并校验后端公开 API 地址。
+. (Join-Path $scriptDir "scripts\Initialize-PublicApiBaseUrl.ps1")
+Initialize-PublicApiBaseUrl `
+    -Path (Join-Path $scriptDir ".env") `
+    -Mode "upgrade" `
+    -Override $env:DEPLOY_PUBLIC_API_BASE_URL
+
 # ==================== Docker 检查 ====================
 function Test-DockerInstalled {
     $docker = Get-Command docker -ErrorAction SilentlyContinue