refactor: 将 DTO 文件从 internal/model 移动到 internal/model/dto 目录

- 移动 17 个 DTO 文件到 internal/model/dto/ 目录
- 更新所有 DTO 文件的 package 声明从 model 改为 dto
- 更新所有引用文件的 import 和类型引用
  - Handler 层：admin 和 h5 所有处理器
  - Service 层：所有业务服务
  - Routes 层：所有路由定义
  - Tests 层：单元测试和集成测试
- 清理未使用的 import 语句
- 验证：项目构建成功，测试编译通过，LSP 无错误

internal/routes/shop.go

@@ -4,7 +4,7 @@ import (
 	"github.com/gofiber/fiber/v2"
 
 	"github.com/break/junhong_cmp_fiber/internal/handler/admin"
-	"github.com/break/junhong_cmp_fiber/internal/model"
+	"github.com/break/junhong_cmp_fiber/internal/model/dto"
 	"github.com/break/junhong_cmp_fiber/pkg/openapi"
 )
 
@@ -15,31 +15,31 @@ func registerShopRoutes(router fiber.Router, handler *admin.ShopHandler, doc *op
 	Register(shops, doc, groupPath, "GET", "", handler.List, RouteSpec{
 		Summary: "店铺列表",
 		Tags:    []string{"店铺管理"},
-		Input:   new(model.ShopListRequest),
-		Output:  new(model.ShopPageResult),
+		Input:   new(dto.ShopListRequest),
+		Output:  new(dto.ShopPageResult),
 		Auth:    true,
 	})
 
 	Register(shops, doc, groupPath, "POST", "", handler.Create, RouteSpec{
 		Summary: "创建店铺",
 		Tags:    []string{"店铺管理"},
-		Input:   new(model.CreateShopRequest),
-		Output:  new(model.ShopResponse),
+		Input:   new(dto.CreateShopRequest),
+		Output:  new(dto.ShopResponse),
 		Auth:    true,
 	})
 
 	Register(shops, doc, groupPath, "PUT", "/:id", handler.Update, RouteSpec{
 		Summary: "更新店铺",
 		Tags:    []string{"店铺管理"},
-		Input:   new(model.UpdateShopParams),
-		Output:  new(model.ShopResponse),
+		Input:   new(dto.UpdateShopParams),
+		Output:  new(dto.ShopResponse),
 		Auth:    true,
 	})
 
 	Register(shops, doc, groupPath, "DELETE", "/:id", handler.Delete, RouteSpec{
 		Summary: "删除店铺",
 		Tags:    []string{"店铺管理"},
-		Input:   new(model.IDReq),
+		Input:   new(dto.IDReq),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -52,31 +52,31 @@ func registerShopAccountRoutes(router fiber.Router, handler *admin.ShopAccountHa
 	Register(shopAccounts, doc, groupPath, "GET", "", handler.List, RouteSpec{
 		Summary: "代理账号列表",
 		Tags:    []string{"代理账号管理"},
-		Input:   new(model.ShopAccountListRequest),
-		Output:  new(model.ShopAccountPageResult),
+		Input:   new(dto.ShopAccountListRequest),
+		Output:  new(dto.ShopAccountPageResult),
 		Auth:    true,
 	})
 
 	Register(shopAccounts, doc, groupPath, "POST", "", handler.Create, RouteSpec{
 		Summary: "创建代理账号",
 		Tags:    []string{"代理账号管理"},
-		Input:   new(model.CreateShopAccountRequest),
-		Output:  new(model.ShopAccountResponse),
+		Input:   new(dto.CreateShopAccountRequest),
+		Output:  new(dto.ShopAccountResponse),
 		Auth:    true,
 	})
 
 	Register(shopAccounts, doc, groupPath, "PUT", "/:id", handler.Update, RouteSpec{
 		Summary: "更新代理账号",
 		Tags:    []string{"代理账号管理"},
-		Input:   new(model.UpdateShopAccountParams),
-		Output:  new(model.ShopAccountResponse),
+		Input:   new(dto.UpdateShopAccountParams),
+		Output:  new(dto.ShopAccountResponse),
 		Auth:    true,
 	})
 
 	Register(shopAccounts, doc, groupPath, "PUT", "/:id/password", handler.UpdatePassword, RouteSpec{
 		Summary: "重置代理账号密码",
 		Tags:    []string{"代理账号管理"},
-		Input:   new(model.UpdateShopAccountPasswordParams),
+		Input:   new(dto.UpdateShopAccountPasswordParams),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -84,7 +84,7 @@ func registerShopAccountRoutes(router fiber.Router, handler *admin.ShopAccountHa
 	Register(shopAccounts, doc, groupPath, "PUT", "/:id/status", handler.UpdateStatus, RouteSpec{
 		Summary: "启用/禁用代理账号",
 		Tags:    []string{"代理账号管理"},
-		Input:   new(model.UpdateShopAccountStatusParams),
+		Input:   new(dto.UpdateShopAccountStatusParams),
 		Output:  nil,
 		Auth:    true,
 	})
@@ -97,24 +97,24 @@ func registerShopCommissionRoutes(router fiber.Router, handler *admin.ShopCommis
 	Register(shops, doc, groupPath, "GET", "/commission-summary", handler.ListCommissionSummary, RouteSpec{
 		Summary: "代理商佣金列表",
 		Tags:    []string{"代理商佣金管理"},
-		Input:   new(model.ShopCommissionSummaryListReq),
-		Output:  new(model.ShopCommissionSummaryPageResult),
+		Input:   new(dto.ShopCommissionSummaryListReq),
+		Output:  new(dto.ShopCommissionSummaryPageResult),
 		Auth:    true,
 	})
 
 	Register(shops, doc, groupPath, "GET", "/:shop_id/withdrawal-requests", handler.ListWithdrawalRequests, RouteSpec{
 		Summary: "代理商提现记录",
 		Tags:    []string{"代理商佣金管理"},
-		Input:   new(model.ShopWithdrawalRequestListReq),
-		Output:  new(model.ShopWithdrawalRequestPageResult),
+		Input:   new(dto.ShopWithdrawalRequestListReq),
+		Output:  new(dto.ShopWithdrawalRequestPageResult),
 		Auth:    true,
 	})
 
 	Register(shops, doc, groupPath, "GET", "/:shop_id/commission-records", handler.ListCommissionRecords, RouteSpec{
 		Summary: "代理商佣金明细",
 		Tags:    []string{"代理商佣金管理"},
-		Input:   new(model.ShopCommissionRecordListReq),
-		Output:  new(model.ShopCommissionRecordPageResult),
+		Input:   new(dto.ShopCommissionRecordListReq),
+		Output:  new(dto.ShopCommissionRecordPageResult),
 		Auth:    true,
 	})
 }