feat: 添加全局 Error Boundary 和餐厅图片加载失败 fallback

- error.tsx: 路由级错误边界，提供重试和返回首页操作
- global-error.tsx: 根布局级兜底，纯内联样式避免依赖加载
- RestaurantImage: 可复用图片组件，加载失败显示餐具占位图标
- 替换 RestaurantCard、MatchResult、profile 中所有餐厅图片

src/app/profile/page.tsx

@@ -24,6 +24,7 @@ import {
   Heart,
 } from "lucide-react";
 import EmptyState from "@/components/EmptyState";
+import RestaurantImage from "@/components/RestaurantImage";
 import { getUserId, getCachedProfile, setCachedProfile, setCachedPreferences, logout } from "@/lib/userId";
 import { getAvatarBg, AVATARS } from "@/lib/avatars";
 import type { UserProfile, UserPreferences, DecisionRecord, FavoriteRecord, Restaurant } from "@/types";
@@ -556,11 +557,10 @@ export default function ProfilePage() {
                         className="flex gap-3 rounded-xl bg-elevated p-2.5 transition-colors active:bg-subtle"
                       >
                         {firstImage(d.restaurantData) && (
-                          <img
+                          <RestaurantImage
                             src={firstImage(d.restaurantData)}
                             alt={d.restaurantName}
                             className="h-12 w-12 shrink-0 rounded-lg object-cover"
-                            referrerPolicy="no-referrer"
                           />
                         )}
                         <div className="flex min-w-0 flex-1 flex-col justify-center">
@@ -638,11 +638,10 @@ export default function ProfilePage() {
                           className="flex gap-3 rounded-xl bg-elevated p-2.5"
                         >
                           {firstImage(r) && (
-                            <img
+                            <RestaurantImage
                               src={firstImage(r)}
                               alt={r.name}
                               className="h-12 w-12 shrink-0 rounded-lg object-cover"
-                              referrerPolicy="no-referrer"
                             />
                           )}
                           <div className="flex min-w-0 flex-1 flex-col justify-center">