fix: 搜索结果数量根据工具配置读取，不再固定5条

main_v2.py

@@ -839,19 +839,21 @@ async def websocket_endpoint(websocket: WebSocket, user_id: str):
                                 
                                 if search_result.get("results"):
                                     # 构建搜索上下文（给LLM）
+                                    max_for_llm = config.get('max_results', 5)
                                     search_context = "\n\n【搜索结果】\n"
-                                    for i, r in enumerate(search_result["results"][:5], 1):
+                                    for i, r in enumerate(search_result["results"][:max_for_llm], 1):
                                         search_context += f"{i}. {r.get('title', 'N/A')}\n   {r.get('content', r.get('snippet', 'N/A'))[:200]}\n   来源: {r.get('url', 'N/A')}\n"
-                                    logger.info(f"搜索完成: {len(search_result['results'])} 条结果")
+                                    logger.info(f"搜索完成: {len(search_result['results'])} 条结果，使用 {min(len(search_result['results']), max_for_llm)} 条")
                                     
-                                    # 发送搜索结果给前端
+                                    # 发送搜索结果给前端（按配置的数量）
+                                    max_display = config.get('max_results', 5)
                                     search_results_for_client = [
                                         {
                                             "title": r.get('title', 'N/A'),
                                             "snippet": r.get('content', r.get('snippet', ''))[:150],
                                             "url": r.get('url', 'N/A')
                                         }
-                                        for r in search_result["results"][:5]
+                                        for r in search_result["results"][:max_display]
                                     ]
                                     await websocket.send_json({
                                         "type": "search_results",