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/components/mode-card/mode-card.js

@@ -0,0 +1,14 @@
+Component({
+  properties: {
+    type: { type: String, value: 'takeout' },
+    icon: { type: String, value: '' },
+    title: { type: String, value: '' },
+    desc: { type: String, value: '' },
+    actionText: { type: String, value: '开盒' }
+  },
+  methods: {
+    onTap() {
+      this.triggerEvent('open', { type: this.data.type });
+    }
+  }
+});