feat: 更新钩子模板检查逻辑，支持基于唯一模式的命令匹配；在搜索元数据中添加回退模式字段

ccw/src/tools/smart-search.ts

@@ -244,6 +244,7 @@ interface SearchMetadata {
   warning?: string;
   note?: string;
   index_status?: 'indexed' | 'not_indexed' | 'partial';
+  fallback?: string;  // Fallback mode used (e.g., 'fuzzy')
   fallback_history?: string[];
   suggested_weights?: Record<string, number>;
   // Tokenization metadata (ripgrep mode)