如何给AI Agent添加网络搜索功能？需要注意什么

@Component
publicclassSearchToolimplementsAgentTool{

    @Autowired
    privateSearchService searchService;

    @Override
    publicToolSchemagetSchema(){
        returnToolSchema.builder()
        .name("web_search")
        .description("搜索网络信息获取最新数据")
        .parameter("query","搜索关键词",true)
        .parameter("maxResults","最大结果数量",false)
        .build();
    }

    @Override
    publicCompletableFuture<ToolResult>executeAsync(ToolContext context){
    String query = context.getParameter("query");
    Integer maxResults = context.getParameter("maxResults",5);

    returnCompletableFuture.supplyAsync(()->{
        try{
            List<SearchResult> results =performSearchWithFallback(query, maxResults);
            returnToolResult.success(processResults(results));
        }catch(Exception e){
            logger.error("搜索服务异常", e);
            returnToolResult.failure("搜索服务暂时不可用，请稍后重试");
        }
    });
}

privateSearchResultperformSearchWithFallback(String query,int maxResults){
    // 主搜索源
    try{
        return primarySearchService.search(query, maxResults);
    }catch(Exception e){
        logger.warn("Primary search failed: {}", e.getMessage());
    }

    // 备用搜索源
    try{
        return backupSearchService.search(query, maxResults);
    }catch(Exception e){
        logger.warn("Backup search failed: {}", e.getMessage());
    }

    // 本地知识库兜底
    return localKnowledgeBase.search(query);
}
}

publicclassSearchCacheManager{

    @Autowired
    privateRedisTemplate<String,Object> redisTemplate;

    publicStringgenerateCacheKey(String query){
        return"search:"+ query.toLowerCase()
        .replaceAll("[^\\w\\s]","")
        .trim()
        .replaceAll("\\s+","_");
    }

    publicList<SearchResult>getCachedResults(String query){
        String cacheKey =generateCacheKey(query);
        return(List<SearchResult>) redisTemplate.opsForValue().get(cacheKey);
    }

    publicvoidcacheResults(String query,List<SearchResult> results){
        String cacheKey =generateCacheKey(query);
        redisTemplate.opsForValue().set(cacheKey, results,Duration.ofHours(2));
    }
}

publicinterfaceAgentTool{
    ToolSchemagetSchema();
    CompletableFuture<ToolResult>executeAsync(ToolContext context);
    booleanisHealthy();

    defaultintgetPriority(){
        return0;
    }

    defaultbooleancanHandle(String query){
        returntrue;
    }
}