fix(agent-office): 코드 리뷰 이슈 수정

- 하드코딩된 claude 에이전트 참조 제거 (백엔드 에이전트 기반 동적 렌더링)
- TaskHistory에 rejected 상태 배지 추가

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/pages/agent-office/AgentOffice.jsx

@@ -73,7 +73,7 @@ export function Component() {
       </div>
 
       <div className="ao-toolbar">
-        {['stock', 'music', 'claude'].map(id => (
+        {Object.keys(agents).map(id => (
           <button key={id} className="ao-tool-btn"
             onClick={() => setShowHistory(prev => prev === id ? null : id)}>
             📋 {id} 이력

src/pages/agent-office/canvas/OfficeRenderer.js

@@ -20,7 +20,7 @@ export class OfficeRenderer {
     this._animId = null;
     this._onClick = null;
 
-    const agentIds = ['stock', 'music', 'claude'];
+    const agentIds = ['stock', 'music'];
     for (const id of agentIds) {
       this.agents[id] = new AgentSprite(id, mapData.waypoints);
     }

src/pages/agent-office/components/ChatPanel.jsx

@@ -9,9 +9,6 @@ const AGENT_COMMANDS = {
     { action: 'compose', label: '작곡 시작', icon: '🎵', needsInput: true },
     { action: 'credits', label: '크레딧 확인', icon: '💳' },
   ],
-  claude: [
-    { action: 'instruct', label: '지시하기', icon: '💬', needsInput: true },
-  ],
 };
 
 const ChatPanel = ({ agentId, agentState, onCommand, onApproval, onClose }) => {
@@ -44,7 +41,7 @@ const ChatPanel = ({ agentId, agentState, onCommand, onApproval, onClose }) => {
       <div className="ao-chat-header">
         <span className="ao-chat-title">
           {agentId === 'stock' ? '주식 트레이더' :
-           agentId === 'music' ? '음악 프로듀서' : 'Claude AI'}
+           agentId === 'music' ? '음악 프로듀서' : agentId}
         </span>
         <span className={`ao-chat-state ao-chat-state--${state.state || 'idle'}`}>
           {state.state || 'idle'}

src/pages/agent-office/components/TaskHistory.jsx

@@ -7,6 +7,7 @@ const STATUS_BADGE = {
   working: { label: '진행중', color: '#818cf8' },
   succeeded: { label: '완료', color: '#34d399' },
   failed: { label: '실패', color: '#f87171' },
+  rejected: { label: '거절됨', color: '#fb923c' },
 };
 
 const TaskHistory = ({ agentId, onClose }) => {