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/explore-result/explore-result.js

@@ -0,0 +1,79 @@
+const app = getApp();
+const api = require('../../utils/api');
+const loc = require('../../utils/location');
+
+Page({
+  data: {
+    showAnimation: false,
+    dataReady: false,
+    result: null,
+    error: '',
+    distanceText: ''
+  },
+
+  onLoad() {
+    this.roll();
+  },
+
+  roll() {
+    this.setData({
+      showAnimation: true,
+      dataReady: false,
+      error: '',
+      result: null
+    });
+
+    loc.getLocation().then((pos) => {
+      return api.post('/api/explore/roll', {
+        latitude: pos.latitude,
+        longitude: pos.longitude,
+        openid: 'anonymous'
+      });
+    }).then((data) => {
+      this.setData({
+        result: data,
+        distanceText: ((data.distance || 0) / 1000).toFixed(1) + 'km',
+        dataReady: true
+      });
+      this.saveRecord(data);
+    }).catch((err) => {
+      this.setData({
+        showAnimation: false,
+        error: err.message || '附近暂无推荐好店，换片区域试试？'
+      });
+    });
+  },
+
+  onAnimationDone() {
+    this.setData({ showAnimation: false });
+  },
+
+  navigate() {
+    const shop = this.data.result;
+    if (!shop) return;
+
+    wx.openLocation({
+      latitude: shop.latitude || app.globalData.location.latitude,
+      longitude: shop.longitude || app.globalData.location.longitude,
+      name: shop.name,
+      address: shop.address,
+      scale: 16
+    });
+  },
+
+  retry() {
+    this.roll();
+  },
+
+  saveRecord(data) {
+    const history = wx.getStorageSync('box_history') || [];
+    history.push({
+      id: Date.now().toString(),
+      icon: '🍱',
+      name: data.name,
+      time: new Date().toLocaleString(),
+      typeName: '探店盲盒'
+    });
+    wx.setStorageSync('box_history', history);
+  }
+});