feat: add secure agent and MCP extensions

frontend/src/features/agents/AgentRunListPage.tsx

@@ -22,7 +22,7 @@ export function AgentRunListPage() {
     { key: 'agent', header: 'Agent', cell: (item) => <div><p className="font-medium">{item.agent_name}</p><p className="font-mono text-xs text-muted-foreground">{item.public_id.slice(0, 8)}…</p></div> },
     { key: 'version', header: '版本', cell: (item) => <div className="flex gap-1"><Badge variant="outline">v{item.agent_version}</Badge>{item.sandbox ? <Badge variant="warning">沙箱</Badge> : <Badge variant="secondary">正式</Badge>}</div> },
     { key: 'status', header: '状态', cell: (item) => <StatusBadge status={item.status} /> },
-    { key: 'progress', header: '当前步骤', cell: (item) => <span className="text-muted-foreground">{item.current_step || '-'} · {item.total_steps} 步</span> },
+    { key: 'progress', header: '当前阶段', cell: (item) => <div><p className="text-foreground">{item.progress_message || item.current_step || '-'}</p><p className="text-xs text-muted-foreground">{item.current_step || '等待执行'} · {item.total_steps} 步{item.retry_count ? ` · 重试 ${item.retry_count}` : ''}</p></div> },
     { key: 'usage', header: 'Token / 耗时', cell: (item) => <span className="text-muted-foreground">{item.input_tokens + item.output_tokens} · {item.duration_ms} ms</span> },
     { key: 'created', header: '创建时间', cell: (item) => <span className="text-muted-foreground">{formatDateTime(item.created_at)}</span> }
   ]