feat(server): 优化 Swagger 配置，支持动态 host

- 移除 swagger.json/yaml 中硬编码的 host 字段
- 在 docs.go 中将 Host 设置为空字符串以支持动态检测
- 添加前端 /swagger 代理配置，支持开发环境访问 Swagger UI
- 在 main.go 中导入 docs 包注册 Swagger 文档

server/cmd/server/main.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 
+	_ "github.com/1024XEngineer/xinfra/server/docs"
 	"github.com/1024XEngineer/xinfra/server/internal/handler"
 	"github.com/1024XEngineer/xinfra/server/internal/middleware"
 	"github.com/gin-gonic/gin"
@@ -22,7 +23,6 @@ import (
 // @license.name  Apache 2.0
 // @license.url   http://www.apache.org/licenses/LICENSE-2.0.html
 
-// @host      localhost:8080
 // @BasePath  /api/v1
 
 // @securityDefinitions.apikey BearerAuth

server/docs/docs.go

@@ -350,7 +350,7 @@ const docTemplate = `{
 // SwaggerInfo holds exported Swagger Info so clients can modify it
 var SwaggerInfo = &swag.Spec{
 	Version:          "1.0",
-	Host:             "localhost:8080",
+	Host:             "",
 	BasePath:         "/api/v1",
 	Schemes:          []string{},
 	Title:            "xinfra API",

server/docs/swagger.json

@@ -15,7 +15,6 @@
         },
         "version": "1.0"
     },
-    "host": "localhost:8080",
     "basePath": "/api/v1",
     "paths": {
         "/ping": {

server/docs/swagger.yaml

@@ -20,7 +20,6 @@ definitions:
         description: 响应消息
         type: string
     type: object
-host: localhost:8080
 info:
   contact:
     email: support@swagger.io