Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

Author: Gabrielsv01

web/frontend/src/i18n/locales/zh.json

@@ -706,8 +706,8 @@
       "mcp_enabled_hint": "开启或关闭 MCP 服务集成",
       "mcp_discovery_enabled": "启用 MCP 发现",
       "mcp_discovery_enabled_hint": "允许 MCP 发现工具检索已注册的 MCP 服务器",
-      "mcp_discovery_ttl": "发现缓存 TTL（分钟）",
-      "mcp_discovery_ttl_hint": "MCP 发现结果在缓存中的保留时长",
+      "mcp_discovery_ttl": "发现工具解锁保持轮数",
+      "mcp_discovery_ttl_hint": "已发现的工具保持解锁状态的对话轮数",
       "mcp_discovery_max_results": "发现最大结果数",
       "mcp_discovery_max_results_hint": "每次查询返回的 MCP 发现结果上限",
       "mcp_discovery_use_bm25": "使用 BM25 排序",