feat: 客服自动回复、历史消息修复、扫码兼容页与商家头像

- 新增 scriptService 对接话术接口，cs-chat 支持关键词自动回复
- chat-history 增加 waitChatImReady，修复私聊/群聊/客服历史加载
- 恢复 dashouduan/guanshiduan 兼容页跳转 fighter 保留旧二维码
- 商家我的页头像与标签挤压样式优化

Co-authored-by: Cursor <cursoragent@cursor.com>

pages/merchant/merchant.wxss

@@ -72,6 +72,21 @@ page {
   padding: 10rpx 30rpx;
 }
 
+.user-info > .flex {
+  align-items: flex-start;
+  width: 100%;
+}
+
+.user-info > .flex > .avatar {
+  flex-shrink: 0;
+}
+
+.user-info > .flex > view:not(.avatar) {
+  flex: 1;
+  min-width: 0;
+  overflow: hidden;
+}
+
 .avatar {
   width: 110rpx;
   height: 110rpx;
@@ -90,7 +105,12 @@ page {
 .nickname-row {
   flex-wrap: wrap;
   align-items: center;
-  gap: 8rpx;
+  gap: 6rpx;
+  max-width: 100%;
+}
+
+.sj-identity-tag {
+  flex-shrink: 0;
 }
 
 .nickname-edit-btn {
@@ -124,7 +144,7 @@ page {
 }
 
 .badge-zone {
-  padding: 0 24rpx 8rpx;
+  padding: 0 24rpx 4rpx;
 }
 
 .badge-scroll {
@@ -134,19 +154,21 @@ page {
 
 .badge-tag-wrap {
   display: inline-block;
-  transform: scale(0.72);
+  transform: scale(0.65);
   transform-origin: left center;
-  margin-right: -8rpx;
+  margin-right: -12rpx;
 }
 
 .identity-tags-row {
   flex-wrap: wrap;
-  gap: 4rpx;
-  margin-top: 8rpx;
+  gap: 2rpx;
+  margin-top: 6rpx;
+  max-width: 100%;
 }
 
 .identity-tags-row .badge-tag-wrap {
-  transform: scale(0.68);
+  transform: scale(0.62);
+  margin-right: -14rpx;
 }
 
 .wallet-btns .sj-btn-outline {