feat: ai问答

pages/plant-detail/index.wxml

@@ -7,14 +7,20 @@
     </view>
     
     <view class="header-gallery">
-      <t-swiper
-        current="{{activeImageIndex}}"
-        autoplay="{{false}}"
-        navigation="{{ { type: '' } }}"
-        list="{{swiperImages}}"
-        bind:change="onSwiperChange"
-        height="500rpx"
-      />
+      <block wx:if="{{swiperImages.length > 0}}">
+        <t-swiper
+          current="{{activeImageIndex}}"
+          autoplay="{{false}}"
+          navigation="{{ { type: '' } }}"
+          list="{{swiperImages}}"
+          bind:change="onSwiperChange"
+          height="500rpx"
+        />
+      </block>
+      <view wx:else class="header-empty-placeholder">
+        <text class="empty-plant-emoji">🌱</text>
+        <text class="empty-photo-hint">去编辑页添加照片吧</text>
+      </view>
       <view class="header-gradient"></view>
       
       <!-- Image Counter -->
@@ -177,12 +183,11 @@
             <view wx:for="{{displayRecords}}" wx:key="id" class="timeline-item">
               <view class="timeline-dot"></view>
               <text class="timeline-date">{{item.date}}</text>
-              <view class="timeline-content-box">
+              <view class="timeline-content-box" style="border-left-color: {{item.iconColor || '#81C784'}};">
                 <view class="timeline-title">
-                  <t-icon wx:if="{{item.type === 'growth'}}" name="thumb-up" size="32rpx" color="#4CAF50" />
-                  <t-icon wx:elif="{{item.type === 'repot'}}" name="swap" size="32rpx" color="#FF9800" />
-                  <t-icon wx:elif="{{item.type === 'pest'}}" name="error-circle" size="32rpx" color="#F44336" />
-                  <t-icon wx:else name="file" size="32rpx" color="#2196F3" />
+                  <view class="timeline-type-badge" style="background: {{item.accentColor || '#E8F5E9'}};">
+                    <t-icon name="{{item.iconName || 'file'}}" size="28rpx" color="{{item.iconColor || '#4CAF50'}}" />
+                  </view>
                   <text>{{item.title}}</text>
                 </view>
                 <text class="timeline-desc">{{item.content}}</text>
@@ -190,7 +195,7 @@
                   wx:if="{{item.image}}" 
                   src="{{item.image}}" 
                   mode="aspectFill" 
-                  style="width: 220rpx; height: 220rpx; border-radius: 16rpx; margin-top: 16rpx;"
+                  style="width: 100%; height: 280rpx; border-radius: 20rpx; margin-top: 20rpx;"
                   class="timeline-img" 
                   bindtap="handlePreviewRecordImage" 
                   data-src="{{item.image}}"