功能：增加平台账号管理与管理员保护

backend/internal/handler/user.go

@@ -4,6 +4,7 @@ import (
 	"strconv"
 
 	"affiliate_dash/internal/middleware"
+	"affiliate_dash/internal/model"
 	"affiliate_dash/internal/pkg/response"
 	"affiliate_dash/internal/service"
 
@@ -22,11 +23,13 @@ func (h *UserHandler) List(c *gin.Context) {
 	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
 	size, _ := strconv.Atoi(c.DefaultQuery("size", "20"))
 	q := service.UserListQuery{
-		MerchantID: middleware.GetMerchantID(c),
-		Page:       page,
-		Size:       size,
-		Keyword:    c.Query("keyword"),
-		Role:       c.Query("role"),
+		Page:    page,
+		Size:    size,
+		Keyword: c.Query("keyword"),
+		Role:    c.Query("role"),
+	}
+	if middleware.GetRole(c) != model.RoleAdmin {
+		q.MerchantID = middleware.GetMerchantID(c)
 	}
 	if s := c.Query("status"); s != "" {
 		v, _ := strconv.Atoi(s)
@@ -78,3 +81,12 @@ func (h *UserHandler) UpdateStatus(c *gin.Context) {
 	}
 	response.OK(c, nil)
 }
+
+func (h *UserHandler) Delete(c *gin.Context) {
+	id, _ := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err := h.svc.Delete(uint(id), middleware.GetUserID(c)); err != nil {
+		response.BadRequest(c, err.Error())
+		return
+	}
+	response.OK(c, nil)
+}