style: 统一代码格式化 (go fmt + 配置更新)

- 后端：应用 go fmt 自动格式化，统一代码风格
- 前端：更新 API 配置，完善类型安全
- 所有代码符合项目规范，准备生产部署

backend/internal/model/photomodel.go

@@ -3,8 +3,8 @@ package model
 import (
 	"context"
 	"fmt"
-	"strings"
 	"github.com/zeromicro/go-zero/core/stores/sqlx"
+	"strings"
 )
 
 var _ PhotoModel = (*customPhotoModel)(nil)
@@ -39,30 +39,30 @@ func (m *customPhotoModel) withSession(session sqlx.Session) PhotoModel {
 func (m *customPhotoModel) FindList(ctx context.Context, page, pageSize int, categoryId, userId int64, keyword string) ([]*Photo, error) {
 	var conditions []string
 	var args []interface{}
-	
+
 	if categoryId > 0 {
 		conditions = append(conditions, "`category_id` = ?")
 		args = append(args, categoryId)
 	}
-	
+
 	if userId > 0 {
 		conditions = append(conditions, "`user_id` = ?")
 		args = append(args, userId)
 	}
-	
+
 	if keyword != "" {
 		conditions = append(conditions, "(`title` LIKE ? OR `description` LIKE ?)")
 		args = append(args, "%"+keyword+"%", "%"+keyword+"%")
 	}
-	
+
 	whereClause := ""
 	if len(conditions) > 0 {
 		whereClause = " WHERE " + strings.Join(conditions, " AND ")
 	}
-	
+
 	offset := (page - 1) * pageSize
 	args = append(args, pageSize, offset)
-	
+
 	query := fmt.Sprintf("select %s from %s%s ORDER BY `created_at` DESC LIMIT ? OFFSET ?", photoRows, m.table, whereClause)
 	var resp []*Photo
 	err := m.conn.QueryRowsCtx(ctx, &resp, query, args...)
@@ -73,27 +73,27 @@ func (m *customPhotoModel) FindList(ctx context.Context, page, pageSize int, cat
 func (m *customPhotoModel) Count(ctx context.Context, categoryId, userId int64, keyword string) (int64, error) {
 	var conditions []string
 	var args []interface{}
-	
+
 	if categoryId > 0 {
 		conditions = append(conditions, "`category_id` = ?")
 		args = append(args, categoryId)
 	}
-	
+
 	if userId > 0 {
 		conditions = append(conditions, "`user_id` = ?")
 		args = append(args, userId)
 	}
-	
+
 	if keyword != "" {
 		conditions = append(conditions, "(`title` LIKE ? OR `description` LIKE ?)")
 		args = append(args, "%"+keyword+"%", "%"+keyword+"%")
 	}
-	
+
 	whereClause := ""
 	if len(conditions) > 0 {
 		whereClause = " WHERE " + strings.Join(conditions, " AND ")
 	}
-	
+
 	query := fmt.Sprintf("select count(*) from %s%s", m.table, whereClause)
 	var count int64
 	err := m.conn.QueryRowCtx(ctx, &count, query, args...)