diff --git a/src/daemon/toolchain_handler.py b/src/daemon/toolchain_handler.py
index bcde084..55b9b11 100644
--- a/src/daemon/toolchain_handler.py
+++ b/src/daemon/toolchain_handler.py
@@ -51,17 +51,41 @@ class ToolchainContextSection:
     name: str = "toolchain_context"
     priority: int = 10
 
+    EVENT_LABELS_ZH: Dict[str, str] = {
+        "review_request": "Review 请求",
+        "review_result": "Review 结果",
+        "review_merged": "PR 合并",
+        "review_comment": "Review 评论",
+        "review_updated": "Review 更新",
+        "ci_failure": "CI 失败",
+        "deploy_failure": "部署失败",
+        "issue_assigned": "Issue 指派",
+        "mention": "@提及",
+    }
+
     def render(self, context: PromptContext) -> str:
         event_type = context.event_type
         event_data: Dict = context.event_data or {}
 
+        # 事件类型中文标签
+        event_label = self.EVENT_LABELS_ZH.get(event_type, event_type or '未知')
+
+        # from / to 信息
+        to_agent = context.agent_id or ''
+        from_agent = 'system'
+
         # Part 1: 事件信息(现有模板引擎)
         if event_type in _TEMPLATE_MAP:
             variables = {k: str(v) for k, v in event_data.items()}
             event_text = render_template(event_type, variables)
+            # 补充事件类型中文标签 + from/to
+            header = f"- **事件类型**: {event_label}\n- **来源**: {from_agent}\n- **指派**: {to_agent}\n"
+            event_text = header + "\n" + event_text
         else:
             lines = ["## 工具链事件", ""]
-            lines.append(f"- **事件类型**: {event_type or '未知'}")
+            lines.append(f"- **事件类型**: {event_label}")
+            lines.append(f"- **来源**: {from_agent}")
+            lines.append(f"- **指派**: {to_agent}")
             if event_data:
                 lines.append("- **事件详情**:")
                 for key, value in event_data.items():
diff --git a/src/frontend/src/components/ToolchainPanel.tsx b/src/frontend/src/components/ToolchainPanel.tsx
index 37c421d..c5e465f 100644
--- a/src/frontend/src/components/ToolchainPanel.tsx
+++ b/src/frontend/src/components/ToolchainPanel.tsx
@@ -4,6 +4,28 @@
  */
 import { useEffect, useState } from 'react';
 
+const AGENT_NAMES: Record<string, string> = {
+  'pangtong-fujunshi': '庞统',
+  'simayi-challenger': '司马懿',
+  'zhangfei-dev': '张飞',
+  'guanyu-dev': '关羽',
+  'zhaoyun-data': '赵云',
+  'jiangwei-infra': '姜维',
+  'system': '系统',
+};
+
+const EVENT_LABELS: Record<string, string> = {
+  'review_request': 'Review 请求',
+  'review_result': 'Review 结果',
+  'review_merged': 'PR 合并',
+  'review_comment': 'Review 评论',
+  'review_updated': 'Review 更新',
+  'ci_failure': 'CI 失败',
+  'deploy_failure': '部署失败',
+  'issue_assigned': 'Issue 指派',
+  'mention': '@提及',
+};
+
 const STATUS_COLORS: Record<string, string> = {
   pending: '#f59e0b22', claimed: '#6a9eff22', working: '#6a9eff22',
   review: '#818cf822', done: '#2ecc8a22', failed: '#ef444422',
@@ -36,6 +58,7 @@ export default function ToolchainPanel() {
   const [detail, setDetail] = useState<any>(null);
   const [searchQuery, setSearchQuery] = useState('');
   const [loading, setLoading] = useState(false);
+  const [filterMode, setFilterMode] = useState<'all' | 'pending'>('all');
 
   const loadTasks = async (q?: string) => {
     setLoading(true);
@@ -52,6 +75,10 @@ export default function ToolchainPanel() {
     setLoading(false);
   };
 
+  const displayed = filterMode === 'pending'
+    ? tasks.filter(t => !['done', 'failed', 'cancelled'].includes(t.status))
+    : tasks;
+
   useEffect(() => { loadTasks(); }, []);
 
   // 搜索防抖 300ms
@@ -120,7 +147,19 @@ export default function ToolchainPanel() {
             padding: '3px 8px', borderRadius: 4, fontSize: 10,
             border: '1px solid #2a3550', background: '#161b2e', color: '#8899aa', cursor: 'pointer',
           }}>🔄</button>
-          <span style={{ fontSize: 10, color: 'var(--muted)' }}>{tasks.length} 条</span>
+          <button onClick={() => setFilterMode('all')} style={{
+            padding: '3px 8px', borderRadius: 4, fontSize: 10,
+            border: `1px solid ${filterMode === 'all' ? 'var(--acc)' : '#2a3550'}`,
+            background: filterMode === 'all' ? 'var(--acc)22' : '#161b2e',
+            color: filterMode === 'all' ? 'var(--acc)' : '#8899aa', cursor: 'pointer',
+          }}>全部</button>
+          <button onClick={() => setFilterMode('pending')} style={{
+            padding: '3px 8px', borderRadius: 4, fontSize: 10,
+            border: `1px solid ${filterMode === 'pending' ? 'var(--acc)' : '#2a3550'}`,
+            background: filterMode === 'pending' ? 'var(--acc)22' : '#161b2e',
+            color: filterMode === 'pending' ? 'var(--acc)' : '#8899aa', cursor: 'pointer',
+          }}>未处理</button>
+          <span style={{ fontSize: 10, color: 'var(--muted)' }}>{filterMode === 'pending' ? displayed.length : tasks.length} 条</span>
         </div>
 
         {/* 事件列表 */}
@@ -130,7 +169,7 @@ export default function ToolchainPanel() {
               {loading ? '加载中...' : '暂无工具链事件'}
             </div>
           )}
-          {tasks.map((t: any) => (
+          {displayed.map((t: any) => (
             <div key={t.id} onClick={() => setSelectedId(t.id)} style={{
               padding: '10px 14px', borderBottom: '1px solid var(--line)',
               cursor: 'pointer', transition: 'background .15s',
@@ -151,6 +190,9 @@ export default function ToolchainPanel() {
                 fontSize: 12, fontWeight: 500, color: '#dde4f8',
                 overflow: 'hidden', textOverflow: 'ellipsis', whiteSpace: 'nowrap',
               }}>{t.title}</div>
+              <div style={{ fontSize: 10, color: 'var(--muted)', marginTop: 2 }}>
+                {AGENT_NAMES['system'] || '系统'} → {AGENT_NAMES[t.assignee] || t.assignee || '?'}
+              </div>
             </div>
           ))}
         </div>
@@ -174,6 +216,9 @@ export default function ToolchainPanel() {
                 <span style={{ fontSize: 10, color: 'var(--muted)' }}>{detail.id}</span>
               </div>
               <div style={{ fontSize: 18, fontWeight: 700, lineHeight: 1.3 }}>{detail.title}</div>
+              <div style={{ fontSize: 11, color: 'var(--muted)', marginTop: 4 }}>
+                {AGENT_NAMES['system'] || '系统'} → {AGENT_NAMES[detail.assignee] || detail.assignee || '?'}
+              </div>
               <div style={{ fontSize: 12, color: 'var(--muted)', marginTop: 6 }}>
                 {fmtTime(detail.created_at)}
               </div>