feat: add global keyboard shortcuts for timer toggle and show app

Register CmdOrCtrl+Shift+T (toggle timer) and CmdOrCtrl+Shift+Z
(show app) via tauri-plugin-global-shortcut. Shortcut keys are
configurable in Settings Timer tab. Shortcuts re-register on change.

src/App.vue

@@ -4,9 +4,37 @@ import TitleBar from './components/TitleBar.vue'
 import NavRail from './components/NavRail.vue'
 import ToastNotification from './components/ToastNotification.vue'
 import { useSettingsStore } from './stores/settings'
+import { useTimerStore } from './stores/timer'
 
 const settingsStore = useSettingsStore()
 
+async function registerShortcuts() {
+  try {
+    const { unregisterAll, register } = await import('@tauri-apps/plugin-global-shortcut')
+    await unregisterAll()
+    const toggleKey = settingsStore.settings.shortcut_toggle_timer || 'CmdOrCtrl+Shift+T'
+    const showKey = settingsStore.settings.shortcut_show_app || 'CmdOrCtrl+Shift+Z'
+
+    await register(toggleKey, () => {
+      const timerStore = useTimerStore()
+      if (timerStore.isStopped) {
+        if (timerStore.selectedProjectId) timerStore.start()
+      } else {
+        timerStore.stop()
+      }
+    })
+
+    await register(showKey, async () => {
+      const { getCurrentWindow } = await import('@tauri-apps/api/window')
+      const win = getCurrentWindow()
+      await win.show()
+      await win.setFocus()
+    })
+  } catch (e) {
+    console.error('Failed to register shortcuts:', e)
+  }
+}
+
 function applyTheme() {
   const el = document.documentElement
   const mode = settingsStore.settings.theme_mode || 'dark'
@@ -29,6 +57,7 @@ onMounted(async () => {
     (app.style as any).zoom = `${zoom}%`
   }
   applyTheme()
+  registerShortcuts()
 
   window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', () => {
     if (settingsStore.settings.theme_mode === 'system') applyTheme()
@@ -38,6 +67,10 @@ onMounted(async () => {
 watch(() => [settingsStore.settings.theme_mode, settingsStore.settings.accent_color], () => {
   applyTheme()
 })
+
+watch(() => [settingsStore.settings.shortcut_toggle_timer, settingsStore.settings.shortcut_show_app], () => {
+  registerShortcuts()
+})
 </script>
 
 <template>

src/views/Settings.vue

@@ -230,6 +230,40 @@
               @update:model-value="saveSettings"
             />
           </div>
+
+          <!-- Divider -->
+          <div class="border-t border-border-subtle" />
+
+          <!-- Keyboard Shortcuts -->
+          <h3 class="text-[0.6875rem] text-text-tertiary uppercase tracking-[0.08em] font-medium">Keyboard Shortcuts</h3>
+
+          <div class="flex items-center justify-between">
+            <div>
+              <p class="text-[0.8125rem] text-text-primary">Toggle Timer</p>
+              <p class="text-[0.6875rem] text-text-tertiary mt-0.5">Start/stop the active timer</p>
+            </div>
+            <input
+              v-model="shortcutToggleTimer"
+              type="text"
+              class="w-48 px-3 py-1.5 bg-bg-inset border border-border-subtle rounded-lg text-[0.75rem] text-text-primary font-mono text-center focus:outline-none focus:border-border-visible"
+              placeholder="CmdOrCtrl+Shift+T"
+              @change="saveShortcutSettings"
+            />
+          </div>
+
+          <div class="flex items-center justify-between">
+            <div>
+              <p class="text-[0.8125rem] text-text-primary">Show App</p>
+              <p class="text-[0.6875rem] text-text-tertiary mt-0.5">Bring the app to front</p>
+            </div>
+            <input
+              v-model="shortcutShowApp"
+              type="text"
+              class="w-48 px-3 py-1.5 bg-bg-inset border border-border-subtle rounded-lg text-[0.75rem] text-text-primary font-mono text-center focus:outline-none focus:border-border-visible"
+              placeholder="CmdOrCtrl+Shift+Z"
+              @change="saveShortcutSettings"
+            />
+          </div>
         </div>
       </div>
 
@@ -272,6 +306,55 @@
             </button>
           </div>
 
+          <!-- Import Data -->
+          <div class="mb-8">
+            <h3 class="text-[0.8125rem] font-medium text-text-primary mb-4">Import Data</h3>
+
+            <div class="flex items-end gap-3 mb-4">
+              <div class="w-48">
+                <label class="block text-[0.6875rem] text-text-tertiary uppercase tracking-[0.08em] mb-1.5">Format</label>
+                <AppSelect
+                  v-model="importFormat"
+                  :options="importFormats"
+                  label-key="label"
+                  value-key="value"
+                />
+              </div>
+              <button
+                @click="handleImportFile"
+                class="flex items-center gap-2 px-4 py-2 border border-border-visible text-text-primary text-xs rounded-lg hover:bg-bg-elevated transition-colors duration-150"
+              >
+                <Upload class="w-3.5 h-3.5" />
+                Choose File
+              </button>
+            </div>
+
+            <div v-if="importFileName" class="mb-4">
+              <p class="text-[0.75rem] text-text-secondary mb-2">File: {{ importFileName }}</p>
+
+              <!-- CSV Preview -->
+              <div v-if="importPreview.length > 0" class="overflow-x-auto mb-3">
+                <table class="text-[0.6875rem]">
+                  <tr v-for="(row, i) in importPreview" :key="i" :class="i === 0 ? 'text-text-tertiary font-medium' : 'text-text-secondary'">
+                    <td v-for="(cell, j) in row" :key="j" class="pr-4 py-0.5 whitespace-nowrap">{{ cell }}</td>
+                  </tr>
+                </table>
+              </div>
+
+              <button
+                @click="executeImport"
+                :disabled="isImporting"
+                class="px-4 py-2 bg-accent text-bg-base text-xs font-medium rounded-lg hover:bg-accent-hover transition-colors duration-150 disabled:opacity-40"
+              >
+                {{ isImporting ? 'Importing...' : 'Import' }}
+              </button>
+            </div>
+
+            <p v-if="importStatus" class="text-[0.75rem] mt-2" :class="importStatus.startsWith('Error') ? 'text-status-error' : 'text-status-running'">
+              {{ importStatus }}
+            </p>
+          </div>
+
           <!-- Danger Zone -->
           <div class="mt-8 rounded-xl border border-status-error/20 p-5">
             <h3 class="text-xs text-status-error uppercase tracking-[0.08em] font-medium mb-4">Danger Zone</h3>
@@ -328,12 +411,13 @@
 <script setup lang="ts">
 import { ref, onMounted, markRaw } from 'vue'
 import { invoke } from '@tauri-apps/api/core'
-import { Settings as SettingsIcon, Clock, Receipt, Database, Plus, Minus } from 'lucide-vue-next'
+import { Settings as SettingsIcon, Clock, Receipt, Database, Plus, Minus, Upload } from 'lucide-vue-next'
 import { useSettingsStore } from '../stores/settings'
 import { useToastStore } from '../stores/toast'
 import AppNumberInput from '../components/AppNumberInput.vue'
 import AppSelect from '../components/AppSelect.vue'
 import { LOCALES, getCurrencies, getCurrencySymbol } from '../utils/locale'
+import { parseCSV, mapTogglCSV, mapGenericCSV, type ImportEntry } from '../utils/import'
 
 const settingsStore = useSettingsStore()
 const toastStore = useToastStore()
@@ -361,6 +445,8 @@ const currency = ref('USD')
 const currencyOptions = getCurrencies()
 const themeMode = ref('dark')
 const accentColor = ref('amber')
+const shortcutToggleTimer = ref('CmdOrCtrl+Shift+T')
+const shortcutShowApp = ref('CmdOrCtrl+Shift+Z')
 
 const themeModes = [
   { value: 'dark', label: 'Dark' },
@@ -387,6 +473,21 @@ const appTrackingModes = [
 // Dialog state
 const showClearDataDialog = ref(false)
 
+// Import state
+const importFormat = ref('toggl')
+const importFileContent = ref('')
+const importFileName = ref('')
+const importPreview = ref<string[][]>([])
+const importStatus = ref('')
+const isImporting = ref(false)
+
+const importFormats = [
+  { label: 'Toggl CSV', value: 'toggl' },
+  { label: 'Clockify CSV', value: 'clockify' },
+  { label: 'Generic CSV', value: 'generic' },
+  { label: 'ZeroClock JSON', value: 'json' },
+]
+
 // Zoom steps
 const zoomSteps = [80, 90, 100, 110, 120, 130, 150]
 
@@ -453,6 +554,74 @@ async function saveThemeSettings() {
   await settingsStore.updateSetting('accent_color', accentColor.value)
 }
 
+// Save shortcut settings
+async function saveShortcutSettings() {
+  await settingsStore.updateSetting('shortcut_toggle_timer', shortcutToggleTimer.value)
+  await settingsStore.updateSetting('shortcut_show_app', shortcutShowApp.value)
+}
+
+// Import file handling
+async function handleImportFile() {
+  try {
+    const { open } = await import('@tauri-apps/plugin-dialog')
+    const selected = await open({
+      filters: [
+        { name: 'Data Files', extensions: ['csv', 'json'] }
+      ]
+    })
+    if (!selected) return
+
+    const filePath = selected as string
+    // @ts-ignore - plugin-fs types are available at runtime
+    const { readTextFile } = await import('@tauri-apps/plugin-fs')
+    const content: string = await readTextFile(filePath)
+    importFileContent.value = content
+    importFileName.value = filePath.split(/[/\\]/).pop() || 'file'
+
+    if (importFormat.value === 'json') {
+      importPreview.value = []
+    } else {
+      importPreview.value = parseCSV(content).slice(0, 6)
+    }
+  } catch (e) {
+    console.error('Failed to read file:', e)
+  }
+}
+
+async function executeImport() {
+  if (!importFileContent.value) return
+  isImporting.value = true
+  importStatus.value = 'Importing...'
+
+  try {
+    if (importFormat.value === 'json') {
+      const data = JSON.parse(importFileContent.value)
+      await invoke('import_json_data', { data })
+      importStatus.value = 'Import complete!'
+    } else {
+      const rows = parseCSV(importFileContent.value)
+      let entries: ImportEntry[]
+
+      if (importFormat.value === 'toggl' || importFormat.value === 'clockify') {
+        entries = mapTogglCSV(rows)
+      } else {
+        entries = mapGenericCSV(rows, { project: 0, description: 1, start_time: 2, duration: 3, client: -1, task: -1 })
+      }
+
+      await invoke('import_entries', { entries })
+      importStatus.value = `Imported ${entries.length} entries!`
+    }
+
+    importFileContent.value = ''
+    importFileName.value = ''
+    importPreview.value = []
+  } catch (e) {
+    importStatus.value = `Error: ${e}`
+  } finally {
+    isImporting.value = false
+  }
+}
+
 // Export all data
 async function exportData() {
   try {
@@ -499,5 +668,7 @@ onMounted(async () => {
   currency.value = settingsStore.settings.currency || 'USD'
   themeMode.value = settingsStore.settings.theme_mode || 'dark'
   accentColor.value = settingsStore.settings.accent_color || 'amber'
+  shortcutToggleTimer.value = settingsStore.settings.shortcut_toggle_timer || 'CmdOrCtrl+Shift+T'
+  shortcutShowApp.value = settingsStore.settings.shortcut_show_app || 'CmdOrCtrl+Shift+Z'
 })
 </script>