diff --git a/src/pages/agent-office/hooks/useAgentManager.js b/src/pages/agent-office/hooks/useAgentManager.js
index 1291a07..1bc4282 100644
--- a/src/pages/agent-office/hooks/useAgentManager.js
+++ b/src/pages/agent-office/hooks/useAgentManager.js
@@ -1,81 +1,84 @@
+// src/pages/agent-office/hooks/useAgentManager.js
 import { useState, useEffect, useRef, useCallback } from 'react';
 
+const WS_RECONNECT_DELAY = 3000;
+
 export function useAgentManager() {
-  const [agents, setAgents] = useState({});
-  const [pendingTasks, setPendingTasks] = useState([]);
+  const [agents, setAgents] = useState({});           // { agentId: { state, detail, task_id } }
+  const [pendingTasks, setPendingTasks] = useState([]); // [{id, agent_id, task_type, input_data}]
+  const [notifications, setNotifications] = useState({}); // { agentId: count }
   const [connected, setConnected] = useState(false);
-  const [notifications, setNotifications] = useState({});
+  const [refreshTrigger, setRefreshTrigger] = useState(0); // 탭 데이터 리프레시용
+
   const wsRef = useRef(null);
-  const reconnectTimer = useRef(null);
+  const reconnectRef = useRef(null);
 
   const connect = useCallback(() => {
-    const protocol = window.location.protocol === 'https:' ? 'wss:' : 'ws:';
-    const wsUrl = `${protocol}//${window.location.host}/api/agent-office/ws`;
-
-    const ws = new WebSocket(wsUrl);
+    const protocol = window.location.protocol === 'https:' ? 'wss' : 'ws';
+    const ws = new WebSocket(`${protocol}://${window.location.host}/api/agent-office/ws`);
     wsRef.current = ws;
 
-    ws.onopen = () => {
-      setConnected(true);
-      if (reconnectTimer.current) clearTimeout(reconnectTimer.current);
-    };
+    ws.onopen = () => setConnected(true);
 
-    ws.onclose = () => {
-      setConnected(false);
-      reconnectTimer.current = setTimeout(connect, 3000);
-    };
-
-    ws.onerror = () => { ws.close(); };
-
-    ws.onmessage = (event) => {
-      const msg = JSON.parse(event.data);
+    ws.onmessage = (e) => {
+      const msg = JSON.parse(e.data);
 
       switch (msg.type) {
         case 'init': {
+          // 에이전트 초기 상태 세팅
           const agentMap = {};
           for (const a of msg.agents) {
-            agentMap[a.agent_id] = { state: a.state, detail: a.detail };
+            agentMap[a.agent_id] = { state: a.state, detail: a.detail || '', task_id: a.task_id };
           }
           setAgents(agentMap);
           setPendingTasks(msg.pending || []);
           break;
         }
+
         case 'agent_state':
           setAgents(prev => ({
             ...prev,
-            [msg.agent]: { state: msg.state, detail: msg.detail, taskId: msg.task_id },
+            [msg.agent]: { state: msg.state, detail: msg.detail || '', task_id: msg.task_id }
           }));
+          // idle 전환 시 데이터 리프레시
+          if (msg.state === 'idle') {
+            setRefreshTrigger(n => n + 1);
+          }
           break;
+
         case 'task_complete':
-          setAgents(prev => ({
-            ...prev,
-            [msg.agent]: { ...prev[msg.agent], lastResult: msg.result },
-          }));
-          setPendingTasks(prev => prev.filter(id => id !== msg.task_id));
-          break;
-        case 'command_result':
-          setAgents(prev => ({
-            ...prev,
-            [msg.agent]: { ...prev[msg.agent], lastCommand: msg.result },
-          }));
+          setRefreshTrigger(n => n + 1);
           break;
+
         case 'notification':
           setNotifications(prev => ({
             ...prev,
-            [msg.agent]: (prev[msg.agent] || 0) + 1,
+            [msg.agent]: (prev[msg.agent] || 0) + 1
           }));
           break;
+
+        case 'command_result':
+          // 사이드 패널에서 처리
+          break;
+
         default:
           break;
       }
     };
+
+    ws.onclose = () => {
+      setConnected(false);
+      reconnectRef.current = setTimeout(connect, WS_RECONNECT_DELAY);
+    };
+
+    ws.onerror = () => ws.close();
   }, []);
 
   useEffect(() => {
     connect();
     return () => {
       if (wsRef.current) wsRef.current.close();
-      if (reconnectTimer.current) clearTimeout(reconnectTimer.current);
+      if (reconnectRef.current) clearTimeout(reconnectRef.current);
     };
   }, [connect]);
 
@@ -92,12 +95,17 @@ export function useAgentManager() {
   }, []);
 
   const clearNotifications = useCallback((agentId) => {
-    setNotifications(prev => {
-      const next = { ...prev };
-      delete next[agentId];
-      return next;
-    });
+    setNotifications(prev => ({ ...prev, [agentId]: 0 }));
   }, []);
 
-  return { agents, pendingTasks, connected, notifications, sendCommand, sendApproval, clearNotifications };
+  return {
+    agents,
+    pendingTasks,
+    notifications,
+    connected,
+    refreshTrigger,
+    sendCommand,
+    sendApproval,
+    clearNotifications
+  };
 }