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/mine/mine.js

@@ -0,0 +1,45 @@
+const storage = require('../../utils/storage');
+
+Page({
+  data: {
+    avatarUrl: '',
+    nickname: '',
+    prefs: { taste: '都可以', priceRange: 'all', allergies: '' },
+    shoppingList: []
+  },
+  onShow() {
+    const prefs = storage.get('user_prefs', { taste: '都可以', priceRange: 'all', allergies: '' });
+    const shoppingList = storage.get('shopping_list', []);
+    this.setData({ prefs, shoppingList });
+  },
+  setPref(e) {
+    const { key, val } = e.currentTarget.dataset;
+    const prefs = { ...this.data.prefs, [key]: val };
+    this.setData({ prefs });
+    storage.set('user_prefs', prefs);
+  },
+  setAllergies(e) {
+    const prefs = { ...this.data.prefs, allergies: e.detail.value };
+    this.setData({ prefs });
+    storage.set('user_prefs', prefs);
+  },
+  toggleItem(e) {
+    const idx = e.currentTarget.dataset.index;
+    const list = this.data.shoppingList;
+    list[idx].checked = !list[idx].checked;
+    this.setData({ shoppingList: list });
+    storage.set('shopping_list', list);
+  },
+  clearShopping() {
+    wx.showModal({
+      title: '清空清单',
+      content: '确定清空所有购物清单吗？',
+      success: (res) => {
+        if (res.confirm) {
+          this.setData({ shoppingList: [] });
+          storage.set('shopping_list', []);
+        }
+      }
+    });
+  }
+});