feat: ship v0.9.0 with pomodoro, achievements, and injection history

Add pomodoro timer with goal notifications, writing streak milestones, and knowledge injection logging with UI previews across AI writing flows.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/renderer/components/settings/SettingsPage.tsx

@@ -1,6 +1,6 @@
 import { useState } from 'react'
 import { useTranslation } from 'react-i18next'
-import type { ThemeId, Language } from '@shared/types'
+import type { ThemeId, Language, PomodoroDuration } from '@shared/types'
 import { useSettingsStore } from '@renderer/stores/useSettingsStore'
 import { ShortcutEditor } from '@renderer/components/settings/ShortcutEditor'
 import { AiSettingsPage } from '@renderer/components/settings/AiSettingsPage'
@@ -159,6 +159,49 @@ export function SettingsPage(): React.JSX.Element {
                 {t('settings.knowledgeAutoExtract')}
               </label>
             </div>
+            <div className="setting-item">
+              <span>{t('settings.pomodoroDuration')}</span>
+              <select
+                data-testid="settings-pomodoro-duration"
+                className="form-control form-control--narrow"
+                value={settings.pomodoroDurationMinutes ?? 25}
+                onChange={(e) =>
+                  void settings.update({
+                    pomodoroDurationMinutes: Number(e.target.value) as PomodoroDuration
+                  })
+                }
+              >
+                <option value={15}>15</option>
+                <option value={25}>25</option>
+                <option value={45}>45</option>
+              </select>
+            </div>
+            <div className="setting-item">
+              <label style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
+                <input
+                  type="checkbox"
+                  data-testid="settings-system-notifications"
+                  checked={settings.enableSystemNotifications === true}
+                  onChange={(e) =>
+                    void settings.update({ enableSystemNotifications: e.target.checked })
+                  }
+                />
+                {t('settings.systemNotifications')}
+              </label>
+            </div>
+            <div className="setting-item">
+              <label style={{ display: 'flex', alignItems: 'center', gap: 8 }}>
+                <input
+                  type="checkbox"
+                  data-testid="settings-goal-notifications"
+                  checked={settings.enableGoalNotifications !== false}
+                  onChange={(e) =>
+                    void settings.update({ enableGoalNotifications: e.target.checked })
+                  }
+                />
+                {t('settings.goalNotifications')}
+              </label>
+            </div>
             <div className="setting-item">
               <span>{t('settings.extractThreshold')}</span>
               <input
@@ -185,7 +228,7 @@ export function SettingsPage(): React.JSX.Element {
         {section === 'shortcuts' && <ShortcutEditor />}
         {section === 'about' && (
           <p style={{ color: 'var(--text-secondary)', lineHeight: 1.8 }}>
-            {t('app.name')} v0.8.0
+            {t('app.name')} v0.9.0
             <br />
             {t('app.tagline')}
           </p>