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/recipe-detail/recipe-detail.js

@@ -0,0 +1,96 @@
+const api = require('../../utils/api');
+const storage = require('../../utils/storage');
+
+Page({
+  data: { loading: true, recipe: null, missingIngredients: [] },
+
+  onLoad(options) {
+    if (options.id) {
+      api.get('/api/recipe/' + options.id).then(data => {
+        this.setData({ loading: false, recipe: data });
+      }).catch(() => {
+        this.setData({ loading: false });
+        wx.showToast({ title: '加载失败', icon: 'none' });
+      });
+    }
+
+    if (options.missing) {
+      try {
+        this.setData({ missingIngredients: JSON.parse(decodeURIComponent(options.missing)) });
+      } catch (e) {
+        // ignore
+      }
+    }
+
+    // 启用分享
+    wx.showShareMenu({
+      withShareTicket: false,
+      menus: ['shareAppMessage', 'shareTimeline']
+    });
+  },
+
+  onShareAppMessage() {
+    const recipe = this.data.recipe;
+    if (!recipe) return {};
+    return {
+      title: '我用冰箱剩菜做出了「' + recipe.name + '」！你也来试试？',
+      path: '/pages/recipe-detail/recipe-detail?id=' + recipe.id,
+      imageUrl: recipe.imageUrl || ''
+    };
+  },
+
+  onShareTimeline() {
+    const recipe = this.data.recipe;
+    if (!recipe) return {};
+    return {
+      title: recipe.name + ' · 冰箱盲盒开出的好菜',
+      query: 'id=' + recipe.id,
+      imageUrl: recipe.imageUrl || ''
+    };
+  },
+
+  startTimer() {
+    wx.showToast({ title: '计时器功能开发中', icon: 'none' });
+  },
+
+  addToShopping() {
+    const recipe = this.data.recipe;
+    if (!recipe || !recipe.ingredients) return;
+
+    const raw = storage.get('shopping_list', []);
+    const existing = Array.isArray(raw) ? raw : [];
+    const names = new Set(existing.map(i => i.name));
+
+    // 只添加"缺少的食材"；若无缺失信息则提示而非加全部
+    const missing = this.data.missingIngredients;
+    if (!Array.isArray(missing) || missing.length === 0) {
+      wx.showToast({ title: '该菜谱食材已齐全', icon: 'none' });
+      return;
+    }
+
+    const targetNames = new Set(missing);
+    let added = 0;
+
+    recipe.ingredients.forEach(ing => {
+      if (!targetNames.has(ing.ingredientName)) return;
+      if (names.has(ing.ingredientName)) return;
+
+      existing.push({
+        name: ing.ingredientName,
+        amount: ing.amount || '',
+        from: recipe.name,
+        checked: false
+      });
+      names.add(ing.ingredientName);
+      added++;
+    });
+
+    storage.set('shopping_list', existing);
+
+    if (added === 0) {
+      wx.showToast({ title: '缺少食材已在清单中', icon: 'none' });
+    } else {
+      wx.showToast({ title: '已添加 ' + added + ' 项缺少食材', icon: 'success' });
+    }
+  }
+});