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/records/records.js

@@ -0,0 +1,8 @@
+Page({
+  data: { items: [] },
+  onShow() { this.loadRecords(); },
+  loadRecords() {
+    const history = wx.getStorageSync('box_history') || [];
+    this.setData({ items: history.reverse() });
+  }
+});