客户基本信息支持快速编辑，新增微信与QQ字段

工作台侧栏可点击编辑手机/邮箱/微信/QQ；客户资料同步展示，自动识别仅在主字段为空时回填。

server/internal/handler/customer.go

@@ -2,6 +2,7 @@ package handler
 
 import (
 	"net/http"
+	"strings"
 
 	"github.com/gin-gonic/gin"
 	"kefu-cloud/server/internal/middleware"
@@ -135,12 +136,23 @@ func (h *CustomerHandler) Update(c *gin.Context) {
 		return
 	}
 
-	allowed := map[string]bool{"name": true, "phone": true, "email": true, "tags": true, "source": true, "status": true}
+	allowed := map[string]bool{
+		"name": true, "phone": true, "email": true, "wechat": true, "qq": true,
+		"tags": true, "source": true, "status": true,
+	}
 	for key := range updates {
 		if !allowed[key] {
 			delete(updates, key)
 		}
 	}
+	// 字符串字段统一 trim
+	for _, k := range []string{"name", "phone", "email", "wechat", "qq", "source", "status"} {
+		if v, ok := updates[k]; ok {
+			if s, ok := v.(string); ok {
+				updates[k] = strings.TrimSpace(s)
+			}
+		}
+	}
 	if len(updates) == 0 {
 		c.JSON(http.StatusBadRequest, gin.H{"code": 400, "message": "没有可更新字段"})
 		return