完成 UI-01 应用外壳与设计令牌

src/renderer/src/App.tsx

@@ -2,6 +2,8 @@
 import { Sidebar } from './components/Sidebar'
 import ChatWindow from './components/ChatWindow'
 import { SettingsPanel } from './components/SettingsPanel'
+import { AppShell } from './components/layout/AppShell'
+import { AppPage } from './components/layout/navigation'
 import { Contact, Message } from '../../shared/types'
 
 function EyeIcon({ hidden }: { hidden: boolean }): React.ReactElement {
@@ -149,6 +151,7 @@ function App(): React.ReactElement {
   const [showDbKey, setShowDbKey] = useState(false)
   const [showMacKeyFaq, setShowMacKeyFaq] = useState(false)
   const [showSettings, setShowSettings] = useState(false)
+  const [activePage, setActivePage] = useState<AppPage>('archive')
   const [selfInfo, setSelfInfo] = useState<SelfInfo | null>(null)
   const [isNativeMonitorActive, setIsNativeMonitorActive] = useState(false)
   const [bootState, setBootState] = useState<'loading' | 'connecting' | 'login'>('loading')
@@ -830,6 +833,16 @@ function App(): React.ReactElement {
   }
 
   return (
+    <AppShell
+      activePage={activePage}
+      selfInfo={selfInfo}
+      dbReady={isAuthenticated}
+      onPageChange={setActivePage}
+      onOpenSettings={() => {
+        setActivePage('settings')
+        setShowSettings(true)
+      }}
+    >
       <div className="app-container">
         <Sidebar
           contacts={filteredContacts}
@@ -854,6 +867,7 @@ function App(): React.ReactElement {
           onRefresh={() => selectedContact && handleSelectContact(selectedContact)}
           onRefreshData={loadContacts}
         />
+      </div>
       <SettingsPanel
         open={showSettings}
         selfInfo={selfInfo}
@@ -866,7 +880,7 @@ function App(): React.ReactElement {
           void loadContacts()
         }}
       />
-    </div>
+    </AppShell>
   )
 }
 

src/renderer/src/assets/main.css

@@ -13,9 +13,9 @@
 body {
   margin: 0;
   padding: 0;
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
+  font-family: var(--wxex-font);
-  background-color: var(--bg-color);
+  background-color: var(--wxex-bg-app);
-  color: var(--text-color);
+  color: var(--wxex-text-primary);
   height: 100vh;
   overflow: hidden;
 }
@@ -25,10 +25,277 @@ body {
   display: flex;
 }
 
+.app-shell {
+  box-sizing: border-box;
+  display: flex;
+  width: 100%;
+  height: 100%;
+  min-height: 0;
+  min-width: 0;
+  overflow: hidden;
+  background: var(--wxex-bg-app);
+}
+
+.app-primary-rail {
+  box-sizing: border-box;
+  width: var(--wxex-nav-width);
+  flex: 0 0 var(--wxex-nav-width);
+  height: 100%;
+  min-height: 0;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  border-right: 1px solid var(--wxex-border);
+  background: var(--wxex-bg-sidebar);
+  padding: 12px 8px;
+  overflow: hidden;
+  -webkit-app-region: drag;
+}
+
+.app-brand {
+  box-sizing: border-box;
+  width: 42px;
+  height: 42px;
+  display: grid;
+  place-items: center;
+  border: 0;
+  border-radius: var(--wxex-radius-md);
+  background: var(--wxex-brand);
+  color: #ffffff;
+  -webkit-app-region: no-drag;
+}
+
+.app-brand svg {
+  width: 34px;
+  height: 34px;
+}
+
+.app-brand path {
+  fill: none;
+  stroke: currentColor;
+  stroke-width: 1.8;
+  stroke-linecap: round;
+  stroke-linejoin: round;
+}
+
+.app-brand circle {
+  fill: currentColor;
+}
+
+.primary-navigation {
+  box-sizing: border-box;
+  display: flex;
+  flex: 1;
+  flex-direction: column;
+  gap: 6px;
+  width: 100%;
+  margin-top: 18px;
+  -webkit-app-region: no-drag;
+}
+
+.primary-nav-item {
+  width: 100%;
+  height: 58px;
+  flex: 0 0 58px;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  gap: 4px;
+  border: 0;
+  border-radius: var(--wxex-radius-md);
+  background: transparent;
+  color: var(--wxex-text-secondary);
+  cursor: pointer;
+  font-family: var(--wxex-font);
+}
+
+.primary-nav-item:hover {
+  background: rgba(255, 255, 255, 0.46);
+  color: var(--wxex-text-primary);
+}
+
+.primary-nav-item.active {
+  background: var(--wxex-brand-soft);
+  color: var(--wxex-brand);
+}
+
+.primary-nav-mark {
+  width: 24px;
+  height: 24px;
+  display: grid;
+  place-items: center;
+}
+
+.primary-nav-mark svg {
+  width: 22px;
+  height: 22px;
+}
+
+.primary-nav-mark path,
+.primary-nav-mark circle {
+  fill: none;
+  stroke: currentColor;
+  stroke-width: 1.7;
+  stroke-linecap: round;
+  stroke-linejoin: round;
+}
+
+.primary-nav-label {
+  font-size: 12px;
+  line-height: 16px;
+  font-weight: 600;
+  white-space: nowrap;
+}
+
+.app-rail-account {
+  box-sizing: border-box;
+  width: 100%;
+  flex: 0 0 auto;
+  -webkit-app-region: no-drag;
+}
+
+.account-summary {
+  box-sizing: border-box;
+  width: 100%;
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  border: 0;
+  border-radius: var(--wxex-radius-md);
+  background: transparent;
+  color: var(--wxex-text-primary);
+  cursor: pointer;
+  font-family: var(--wxex-font);
+  text-align: left;
+}
+
+.account-summary:hover {
+  background: rgba(255, 255, 255, 0.72);
+}
+
+.account-summary.compact {
+  justify-content: center;
+  padding: 8px 0;
+}
+
+.account-summary-avatar {
+  box-sizing: border-box;
+  position: relative;
+  width: 38px;
+  height: 38px;
+  display: grid;
+  place-items: center;
+  flex: 0 0 auto;
+  border-radius: var(--wxex-radius-md);
+  background: var(--wxex-bg-elevated);
+  color: var(--wxex-brand);
+  font-size: 14px;
+  font-weight: 700;
+  overflow: hidden;
+}
+
+.account-summary-avatar img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+}
+
+.account-summary-status {
+  position: absolute;
+  right: 2px;
+  bottom: 2px;
+  width: 9px;
+  height: 9px;
+  border: 2px solid var(--wxex-bg-elevated);
+  border-radius: 999px;
+  background: var(--wxex-text-muted);
+}
+
+.account-summary-status.ready {
+  background: var(--wxex-success);
+}
+
+.account-summary-text {
+  min-width: 0;
+  display: flex;
+  flex-direction: column;
+}
+
+.account-summary-name {
+  overflow: hidden;
+  color: var(--wxex-text-primary);
+  font-size: 13px;
+  font-weight: 600;
+  line-height: 18px;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.account-summary-meta {
+  overflow: hidden;
+  color: var(--wxex-text-muted);
+  font-size: 12px;
+  line-height: 16px;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.app-shell-main {
+  box-sizing: border-box;
+  flex: 1;
+  min-width: 0;
+  min-height: 0;
+  height: 100%;
+  display: flex;
+  align-items: stretch;
+  overflow: hidden;
+  padding-top: var(--wxex-shell-content-top);
+  background: var(--wxex-bg-main);
+}
+
+.app-page-placeholder {
+  width: 100%;
+  height: 100%;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 24px;
+  color: var(--wxex-text-secondary);
+  text-align: center;
+}
+
+.app-page-placeholder-eyebrow {
+  margin-bottom: 8px;
+  color: var(--wxex-brand);
+  font-size: 11px;
+  font-weight: 700;
+  letter-spacing: 0;
+}
+
+.app-page-placeholder h2 {
+  margin: 0 0 8px;
+  color: var(--wxex-text-primary);
+  font-size: 20px;
+  font-weight: 600;
+  line-height: 28px;
+}
+
+.app-page-placeholder p {
+  margin: 0;
+  font-size: 13px;
+  line-height: 20px;
+}
+
 .app-container {
   display: flex;
   width: 100%;
   height: 100%;
+  min-height: 0;
+  min-width: 0;
+  align-items: stretch;
+  overflow: hidden;
 }
 
 .sidebar {
@@ -37,11 +304,13 @@ body {
   display: flex;
   flex-direction: column;
   height: 100%;
+  min-height: 0;
   flex-shrink: 0;
   /* Prevent shrinking */
 }
 
 .sidebar-header {
+  flex: 0 0 auto;
   padding: 10px;
   border-bottom: 1px solid var(--border-color);
   -webkit-app-region: drag;
@@ -208,12 +477,15 @@ body {
   display: flex;
   flex-direction: column;
   background-color: var(--chat-bg);
+  height: 100%;
+  min-height: 0;
   min-width: 0;
   /* Allow flex item to shrink below content size */
 }
 
 .chat-header {
   height: 50px;
+  flex: 0 0 50px;
   border-bottom: 1px solid var(--border-color);
   display: flex;
   align-items: center;

src/renderer/src/components/account/AccountSummary.tsx

@@ -0,0 +1,50 @@
+import React from 'react'
+
+interface SelfInfo {
+  wxid: string
+  nickname: string
+  avatar?: string
+  accountRoot: string
+}
+
+interface AccountSummaryProps {
+  selfInfo: SelfInfo | null
+  dbReady: boolean
+  compact?: boolean
+  onClick?: () => void
+}
+
+export function AccountSummary({
+  selfInfo,
+  dbReady,
+  compact = false,
+  onClick
+}: AccountSummaryProps): React.ReactElement {
+  const displayName = dbReady && selfInfo ? selfInfo.nickname || selfInfo.wxid || '当前账号' : '未连接'
+  const subtitle = dbReady && selfInfo ? selfInfo.wxid : '打开设置'
+  const initial = (displayName || '?').charAt(0)
+
+  return (
+    <button
+      type="button"
+      className={`account-summary ${compact ? 'compact' : ''}`}
+      onClick={onClick}
+      title={compact ? `${displayName}\n${subtitle}` : undefined}
+    >
+      <span className="account-summary-avatar">
+        {selfInfo?.avatar ? (
+          <img src={selfInfo.avatar} alt={displayName} referrerPolicy="no-referrer" />
+        ) : (
+          initial
+        )}
+        <span className={`account-summary-status ${dbReady ? 'ready' : ''}`} aria-hidden />
+      </span>
+      {!compact && (
+        <span className="account-summary-text">
+          <span className="account-summary-name">{displayName}</span>
+          <span className="account-summary-meta">{subtitle}</span>
+        </span>
+      )}
+    </button>
+  )
+}

src/renderer/src/components/layout/AppShell.tsx

@@ -0,0 +1,73 @@
+import React from 'react'
+import { AccountSummary } from '../account/AccountSummary'
+import { PrimaryNavigation } from './PrimaryNavigation'
+import { AppPage, PRIMARY_NAV_ITEMS } from './navigation'
+
+interface SelfInfo {
+  wxid: string
+  nickname: string
+  avatar?: string
+  accountRoot: string
+}
+
+interface AppShellProps {
+  activePage: AppPage
+  selfInfo: SelfInfo | null
+  dbReady: boolean
+  onPageChange: (page: AppPage) => void
+  onOpenSettings: () => void
+  children: React.ReactNode
+}
+
+function BrandLogo(): React.ReactElement {
+  return (
+    <div className="app-brand" title="WechatExplorer" aria-label="WechatExplorer">
+      <svg viewBox="0 0 40 40" aria-hidden="true" focusable="false">
+        <path d="M13 15.5 20 10l7 5.5" />
+        <path d="M13 24.5 20 30l7-5.5" />
+        <path d="M13 15.5v9" />
+        <path d="M27 15.5v9" />
+        <circle cx="20" cy="10" r="2.6" />
+        <circle cx="13" cy="15.5" r="2.6" />
+        <circle cx="27" cy="15.5" r="2.6" />
+        <circle cx="13" cy="24.5" r="2.6" />
+        <circle cx="27" cy="24.5" r="2.6" />
+        <circle cx="20" cy="30" r="2.6" />
+      </svg>
+    </div>
+  )
+}
+
+export function AppShell({
+  activePage,
+  selfInfo,
+  dbReady,
+  onPageChange,
+  onOpenSettings,
+  children
+}: AppShellProps): React.ReactElement {
+  const activeItem = PRIMARY_NAV_ITEMS.find((item) => item.id === activePage)
+
+  return (
+    <div className="app-shell">
+      <aside className="app-primary-rail">
+        <BrandLogo />
+        <PrimaryNavigation activePage={activePage} onPageChange={onPageChange} />
+        <div className="app-rail-account">
+          <AccountSummary selfInfo={selfInfo} dbReady={dbReady} compact onClick={onOpenSettings} />
+        </div>
+      </aside>
+      <main className="app-shell-main">
+        {activePage === 'archive' ? (
+          children
+        ) : (
+          <div className="app-page-placeholder">
+            <div className="app-page-placeholder-eyebrow">WechatExplorer</div>
+            <h2>{activeItem?.label || '工作区'}</h2>
+            <p>这个工作区会在后续 UI 重构阶段接入真实功能。</p>
+          </div>
+        )}
+      </main>
+    </div>
+  )
+}

src/renderer/src/components/layout/PrimaryNavigation.tsx

@@ -0,0 +1,95 @@
+import React from 'react'
+import { AppPage, PRIMARY_NAV_ITEMS } from './navigation'
+
+interface NavIconProps {
+  page: AppPage
+}
+
+interface PrimaryNavigationProps {
+  activePage: AppPage
+  onPageChange: (page: AppPage) => void
+}
+
+function NavIcon({ page }: NavIconProps): React.ReactElement {
+  switch (page) {
+    case 'archive':
+      return (
+        <svg viewBox="0 0 24 24" aria-hidden="true" focusable="false">
+          <path d="M5 5.5h14v14H5z" />
+          <path d="M8 8.5h8" />
+          <path d="M8 12h8" />
+          <path d="M8 15.5h5" />
+        </svg>
+      )
+    case 'search':
+      return (
+        <svg viewBox="0 0 24 24" aria-hidden="true" focusable="false">
+          <circle cx="10.5" cy="10.5" r="5.5" />
+          <path d="m15 15 4 4" />
+        </svg>
+      )
+    case 'report':
+      return (
+        <svg viewBox="0 0 24 24" aria-hidden="true" focusable="false">
+          <path d="M7 4.5h7l3 3v12H7z" />
+          <path d="M14 4.5v3h3" />
+          <path d="M9.5 13.5h5" />
+          <path d="M9.5 16.5h4" />
+        </svg>
+      )
+    case 'export':
+      return (
+        <svg viewBox="0 0 24 24" aria-hidden="true" focusable="false">
+          <path d="M12 4.5v9" />
+          <path d="m8.5 10 3.5 3.5 3.5-3.5" />
+          <path d="M5.5 15.5v3h13v-3" />
+        </svg>
+      )
+    case 'api':
+      return (
+        <svg viewBox="0 0 24 24" aria-hidden="true" focusable="false">
+          <path d="M8 8.5 4.5 12 8 15.5" />
+          <path d="m16 8.5 3.5 3.5-3.5 3.5" />
+          <path d="m13.5 6.5-3 11" />
+        </svg>
+      )
+    case 'settings':
+      return (
+        <svg viewBox="0 0 24 24" aria-hidden="true" focusable="false">
+          <circle cx="12" cy="12" r="3" />
+          <path d="M12 4.5v2" />
+          <path d="M12 17.5v2" />
+          <path d="M4.5 12h2" />
+          <path d="M17.5 12h2" />
+          <path d="m6.8 6.8 1.4 1.4" />
+          <path d="m15.8 15.8 1.4 1.4" />
+          <path d="m17.2 6.8-1.4 1.4" />
+          <path d="m8.2 15.8-1.4 1.4" />
+        </svg>
+      )
+  }
+}
+
+export function PrimaryNavigation({
+  activePage,
+  onPageChange
+}: PrimaryNavigationProps): React.ReactElement {
+  return (
+    <nav className="primary-navigation" aria-label="一级导航">
+      {PRIMARY_NAV_ITEMS.map((item) => (
+        <button
+          key={item.id}
+          type="button"
+          className={`primary-nav-item ${activePage === item.id ? 'active' : ''}`}
+          onClick={() => onPageChange(item.id)}
+          title={item.label}
+        >
+          <span className="primary-nav-mark" aria-hidden>
+            <NavIcon page={item.id} />
+          </span>
+          <span className="primary-nav-label">{item.label}</span>
+        </button>
+      ))}
+    </nav>
+  )
+}

src/renderer/src/components/layout/navigation.ts

@@ -0,0 +1,15 @@
+export type AppPage = 'archive' | 'search' | 'report' | 'export' | 'api' | 'settings'
+
+export interface NavigationItem {
+  id: AppPage
+  label: string
+}
+
+export const PRIMARY_NAV_ITEMS: NavigationItem[] = [
+  { id: 'archive', label: '档案' },
+  { id: 'search', label: '检索' },
+  { id: 'report', label: '日报' },
+  { id: 'export', label: '导出' },
+  { id: 'api', label: 'API' },
+  { id: 'settings', label: '设置' }
+]

src/renderer/src/main.tsx

@@ -1,6 +1,7 @@
 import React from 'react'
 import ReactDOM from 'react-dom/client'
 import App from './App'
+import './styles/tokens.css'
 import './assets/main.css'
 
 ReactDOM.createRoot(document.getElementById('root') as HTMLElement).render(

src/renderer/src/styles/tokens.css

@@ -0,0 +1,26 @@
+:root {
+  --wxex-bg-app: #f4f6f5;
+  --wxex-bg-main: #fafbfa;
+  --wxex-bg-sidebar: #eef2f0;
+  --wxex-bg-elevated: #ffffff;
+  --wxex-text-primary: #202724;
+  --wxex-text-secondary: #66706b;
+  --wxex-text-muted: #929a96;
+  --wxex-border: #dde3e0;
+  --wxex-brand: #247a63;
+  --wxex-brand-hover: #1d6754;
+  --wxex-brand-soft: #ddede7;
+  --wxex-ai: #686edc;
+  --wxex-ai-soft: #eeeffd;
+  --wxex-success: #2e8b68;
+  --wxex-warning: #c68635;
+  --wxex-danger: #c85a5a;
+  --wxex-font:
+    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
+  --wxex-nav-width: 76px;
+  --wxex-shell-content-top: 12px;
+  --wxex-radius-sm: 4px;
+  --wxex-radius-md: 8px;
+  --wxex-radius-lg: 12px;
+  --wxex-shadow-popover: 0 4px 12px rgba(0, 0, 0, 0.08);
+}