refactor: AI搜索空状态文案改为可配置

src/components/search/AISearchResults.tsx

@@ -12,21 +12,19 @@ interface AISearchResult {
 interface AISearchResultsProps {
   results: AISearchResult[]
   locale: string
+  emptyText: string
   translations: {
     viewDetails: string
-    submitProjectTitle: string
-    submitProjectDescription: string
-    submitNow: string
   }
 }
 
-export function AISearchResults({ results, locale, translations }: AISearchResultsProps) {
+export function AISearchResults({ results, locale, emptyText, translations }: AISearchResultsProps) {
   if (results.length === 0) {
     return (
       <div className="text-center py-12 px-4 bg-surface-light dark:bg-surface-dark border-2 border-dashed border-gray-300 dark:border-gray-700 rounded-lg">
         <div className="text-4xl mb-4">🔍</div>
         <p className="text-gray-600 dark:text-gray-400 font-display">
-          未找到相关项目，试试其他描述吧
+          {emptyText}
         </p>
       </div>
     )