feat: 提交详情能看 diff，也能丢给 AI 审这一次改动。文件检查可单独排除路径，TODO 只认大写，避免把 todo 表和模块当成待办标记。

热力图按容器宽度铺满一年，不再横向滚动。托盘右键换成可换皮肤的弹层；更新下载显示进度，退出后再由脚本拉起安装器，避免还占着 exe。

frontend/src/App.vue

@@ -19,6 +19,7 @@ import TeamSwitcher from './components/TeamSwitcher.vue'
 import TitleBar from './components/TitleBar.vue'
 import CloudClaimModal from './components/CloudClaimModal.vue'
 import { call, isNative, on } from './api'
+import TrayPopup from './views/TrayPopup.vue'
 
 const route = useRoute()
 const router = useRouter()
@@ -30,7 +31,25 @@ const aboutOpen = ref(false)
 const exitOpen = ref(false)
 const updateInfo = ref(null)
 const updateBusy = ref(false)
+const updateProgress = ref({ received: 0, total: 0 })
 const appVersion = ref('1.0.0')
+const updatePercent = computed(() => {
+  const total = Number(updateProgress.value.total) || 0
+  const received = Number(updateProgress.value.received) || 0
+  if (total <= 0) return 0
+  return Math.min(100, Math.round(received / total * 100))
+})
+function fmtSize(n) {
+  n = Number(n) || 0
+  if (n < 1024) return `${n} B`
+  if (n < 1048576) return `${(n / 1024).toFixed(1)} KB`
+  return `${(n / 1048576).toFixed(1)} MB`
+}
+function errText(e) {
+  const code = String(e).split(':')[0].trim()
+  const key = 'errors.' + code
+  return t(key) !== key ? t(key) : String(e)
+}
 const displayedTask = ref(null)
 let off
 let offMenus = []
@@ -41,6 +60,7 @@ const visibleTask = computed(() => activeTask.value || displayedTask.value)
 const activeTaskProject = computed(() => visibleTask.value?.params?.project || store.projects.find(p => p.id === visibleTask.value?.projectId)?.name || '')
 const loadingStyle = computed(() => store.settings.loadingStyle === 'fullscreen' ? 'fullscreen-orbit' : (store.settings.loadingStyle || 'fullscreen-orbit'))
 const useFullscreenLoading = computed(() => loadingStyle.value !== 'bar')
+const isTrayWindow = document.documentElement.classList.contains('tray-window')
 
 async function updateSetting(key, value) {
   const next = await store.saveSettings({ [key]: value })
@@ -220,6 +240,14 @@ function onGlobalKey(e) {
   }
 }
 onMounted(async () => {
+  if (isTrayWindow) {
+    document.documentElement.classList.add('tray-window')
+    try {
+      store.applyAppearance(await call('GetSettings'))
+      locale.value = store.settings.locale || 'zh-CN'
+    } catch { /* 托盘弹层只需要外观，失败时沿用本地缓存 */ }
+    return
+  }
   addEventListener('keydown', onGlobalKey)
   addEventListener('click', onFlyoutAway)
   if (!native) return
@@ -241,6 +269,9 @@ onMounted(async () => {
     on('menu:set', p => p?.key && updateSetting(p.key, p.value)),
     on('app:update-available', p => {
       if (p && !p.upToDate && !p.skipped) updateInfo.value = p
+    }),
+    on('app:update-progress', p => {
+      if (p) updateProgress.value = { received: Number(p.received) || 0, total: Number(p.total) || 0 }
     })
   ]
   await store.boot()
@@ -248,15 +279,18 @@ onMounted(async () => {
   try { appVersion.value = await call('GetAppVersion') } catch { /* keep fallback */ }
 })
 async function installUpdate() {
+  if (updateBusy.value) return
   updateBusy.value = true
+  updateProgress.value = { received: 0, total: Number(updateInfo.value?.sizeBytes) || 0 }
   try {
     await call('DownloadAndInstallUpdate')
   } catch (e) {
-    store.showToast({ type: 'error', text: String(e) })
+    store.showToast({ type: 'error', text: errText(e) })
     updateBusy.value = false
   }
 }
 async function skipUpdate() {
+  if (updateBusy.value) return
   try { await call('SkipAppUpdate', updateInfo.value?.latest || '') } catch {}
   updateInfo.value = null
 }
@@ -285,7 +319,8 @@ watch(activeTask, task => {
 </script>
 
 <template>
-  <BrowserBlocked v-if="!native" />
+  <TrayPopup v-if="isTrayWindow" />
+  <BrowserBlocked v-else-if="!native" />
   <template v-else>
     <TitleBar :app-version="appVersion" :shortcuts="pinnedShortcuts" @about="aboutOpen = true" @manage-shortcuts="shortcutPicker = true" />
     <DatabaseSetup v-if="store.bootstrap.state !== 'ready' && store.bootstrap.state !== 'loading'" :status="store.bootstrap" class="with-titlebar" />
@@ -382,10 +417,15 @@ watch(activeTask, task => {
         <section class="modal exit-modal" @click.stop>
           <header class="modal-head">
             <h2>{{ t('appUpdateTitle') }}</h2>
-            <button type="button" class="nm-close" :title="t('close')" @click="skipUpdate"><X /></button>
+            <button type="button" class="nm-close" :title="t('close')" :disabled="updateBusy" @click="skipUpdate"><X /></button>
           </header>
           <p class="exit-hint">{{ t('appUpdateBody', { current: updateInfo.current, latest: updateInfo.latest }) }}</p>
           <pre v-if="updateInfo.changelog" style="white-space:pre-wrap;font-size:.85rem;opacity:.8;max-height:160px;overflow:auto">{{ updateInfo.changelog }}</pre>
+          <p class="exit-hint">{{ t('appUpdateHint') }}</p>
+          <template v-if="updateBusy">
+            <p class="exit-hint">{{ updateProgress.total > 0 ? t('appUpdateProgress', { received: fmtSize(updateProgress.received), total: fmtSize(updateProgress.total), percent: updatePercent }) : t('appUpdateDownloading') }}</p>
+            <div class="update-dl-bar" role="progressbar" :aria-valuenow="updatePercent" aria-valuemin="0" aria-valuemax="100"><i :style="{ width: updatePercent + '%' }"/></div>
+          </template>
           <div class="exit-actions">
             <button type="button" class="btn secondary" :disabled="updateBusy" @click="skipUpdate">{{ t('appUpdateSkip') }}</button>
             <button type="button" class="btn primary" :disabled="updateBusy" @click="installUpdate">{{ updateBusy ? t('appUpdateDownloading') : t('appUpdateInstall') }}</button>