W0: 网关API封装+数据模型+CORS启用

gateway/src/IntegrationGateway.Host/Program.cs

@@ -27,7 +27,10 @@ builder.Services.AddHttpClient("VolPro", c =>
     MaxConnectionsPerServer = 10
 });
 
+builder.Services.AddCors(o => o.AddDefaultPolicy(p => p.AllowAnyOrigin().AllowAnyMethod().AllowAnyHeader()));
+
 var app = builder.Build();
+app.UseCors();
 
 // ── 读取配置 ──
 var gwCfg = app.Configuration.GetSection("Gateway");