gt-agent-company/openspec/changes/add-notification-entry-and-unread-reminder/tasks.md

1. API and session flow

• 1.1 Add typed notification models and list, unread-count, and single-read API methods from docs/通知.md.
• 1.2 Set a pending notification-reminder marker after a valid login session is stored.

2. Notification UI

• 2.1 Add the notification page and register it in src/pages.json.
• 2.2 Add the notification shortcut and unread badge to the top user-information card using src/static/icons/通知.png.
• 2.3 Render notification content without target resolution or controlled-resource navigation.
• 2.4 Show the newest unread notification in a post-login home-page reminder modal.
• 2.5 Mark each notification read when it becomes visible and remove the manual read action.

3. Verification

• 3.1 Run pnpm type-check.
• 3.2 Run the relevant ESLint and style checks.
• 3.3 Verify the login-to-home reminder, newest-first display, entry badge, and read-on-visible behavior.