feat: improve agent management and speed up tests

web/display/src/App.tsx

@@ -10,7 +10,7 @@ export function App() {
       <header className="topbar">
         <div className="inner">
           <NavLink to="/" className="brand">
-            线路质量
+            MyMonitor
           </NavLink>
           <nav className="topnav">
             <NavLink to="/" end className={({ isActive }) => (isActive ? 'active' : '')}>

web/display/src/main.tsx

@@ -4,7 +4,7 @@ import { BrowserRouter } from 'react-router-dom'
 import '@shared/theme/base.css'
 import { configureSource } from '@shared/api/source'
 import { applyStoredTheme } from '@shared/hooks'
-import { ToastProvider } from '@shared/ui'
+import { ErrorBoundary, ToastProvider } from '@shared/ui'
 import { App } from './App'
 import './display.css'
 
@@ -14,9 +14,11 @@ applyStoredTheme()
 createRoot(document.getElementById('root')!).render(
   <StrictMode>
     <BrowserRouter basename={import.meta.env.BASE_URL}>
-      <ToastProvider>
-        <App />
-      </ToastProvider>
+      <ErrorBoundary>
+        <ToastProvider>
+          <App />
+        </ToastProvider>
+      </ErrorBoundary>
     </BrowserRouter>
   </StrictMode>,
 )

web/display/src/pages/Overview.tsx

@@ -146,7 +146,7 @@ export function Overview() {
   return (
     <main className="page">
       <section className="hero">
-        <h1>线路质量</h1>
+        <h1>MyMonitor</h1>
         <p className="sub">
           {data ? `${online} / ${cards.length} 台在线` : '加载中…'}
           <span className={`live-dot ${live ? 'on' : ''}`} title={live ? '实时更新中' : '实时连接中断，正在重连'} />