chore：智能客服页面右上角改成齿轮图标，更多功能图标改为(...)

pages_tool/ai-chat/ai-chat-message.vue

@@ -183,7 +183,7 @@
     <view class="input-area">
       <view class="input-tools">
         <button class="tool-btn" @click="showMoreTools">
-          <text class="iconfont icon-plus">📌</text>
+          <text class="iconfont icon-plus">...</text>
         </button>
         <button class="tool-btn" @click="toggleVoiceInput">
           <text class="iconfont" :class="voiceInputing ? 'icon-stop' : 'icon-voice'">🎤</text>
@@ -2070,6 +2070,7 @@ $radius-lg: 36rpx;
     .input-tools {
       display: flex;
       margin-bottom: 16rpx;
+      align-items: flex-start;
       
       .tool-btn {
         width: 64rpx;
@@ -2077,6 +2078,7 @@ $radius-lg: 36rpx;
         border-radius: 50%;
         background-color: $bg-main;
         margin-right: 16rpx;
+        margin-top: -8rpx;
         display: flex;
         align-items: center;
         justify-content: center;

pages_tool/ai-chat/index.vue

@@ -14,7 +14,7 @@
       </view>
       <view class="header-right">
         <button class="menu-btn" v-show="showMenuButton" @click="showMenu">
-          <text class="iconfont icon-ellipsis"></text>
+          <text>⚙️</text>
         </button>
         <!-- 占位元素，确保布局平衡 -->
         <view v-show="!showMenuButton" class="placeholder"></view>