feat(tui-gateway): include per-MCP-server status in session.info payload

tui_gateway/server.py

@@ -588,6 +588,11 @@ def _session_info(agent) -> dict:
         info["skills"] = get_available_skills()
     except Exception:
         pass
+    try:
+        from tools.mcp_tool import get_mcp_status
+        info["mcp_servers"] = get_mcp_status()
+    except Exception:
+        info["mcp_servers"] = []
     try:
         from hermes_cli.banner import get_update_result
         from hermes_cli.config import recommended_update_command