fix: 修复 VoiceController Map.of 兼容性 + ExploreController 参数不匹配

- VoiceController: Map.of() -> Collections.singletonMap() 兼容 Java 8
- ExploreController: 补齐 takeoutService.roll() 缺失的 taste/priceRange/allergies 参数

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

miniapp/pages/takeout-result/takeout-result.wxml

@@ -0,0 +1,41 @@
+<view class="takeout-page">
+  <!-- 错误态 -->
+  <view class="empty" wx:if="{{error}}">
+    <view class="empty-icon">😿</view>
+    <view>{{error}}</view>
+    <button class="btn-primary" style="margin-top:32rpx" bind:tap="retry">换个区域试试</button>
+  </view>
+
+  <!-- 结果区（动效结束后展示） -->
+  <view class="result-area" wx:if="{{!showAnimation && result}}">
+    <view class="result-title">🎉 你抽到的外卖是…</view>
+    <result-card
+      imageUrl="{{result.imageUrl}}"
+      name="{{result.name}}"
+      rating="{{result.rating}}"
+      avgPrice="{{result.avgPrice}}"
+      distance="{{distanceText}}"
+      extra="{{deliveryInfo}}"
+      recommendReason="{{result.recommendReason}}"
+      signatureDishes="{{result.signatureDishes}}"
+    />
+    <view class="actions">
+      <button class="btn-primary btn-main" bind:tap="goOrder">去下单</button>
+      <view class="btn-retry" bind:tap="retry">再开一个</view>
+    </view>
+  </view>
+
+  <!-- 开盒动效覆盖层 -->
+  <box-animation
+    show="{{showAnimation}}"
+    boxType="takeout"
+    dataReady="{{dataReady}}"
+    bind:done="onAnimationDone"
+  >
+    <view class="animation-result-preview" wx:if="{{result}}">
+      <view class="preview-emoji">🛵</view>
+      <view class="preview-text">{{result.name}}</view>
+      <view class="preview-sub" wx:if="{{result.rating}}">⭐ {{result.rating}}</view>
+    </view>
+  </box-animation>
+</view>