- Expand onboarding tour from 8 to 11 steps: marquee drag-select,
drag card to sidebar folder, and the three context menus
(card / bulk / global); enrich bulk-mode step with range-select
and exit tips
- Add Replay Tutorial button to help modal Getting Started tab
- Add Shortcuts cheat-sheet tab to help modal, opened directly via
the '?' key when not typing
- Fix trigger-word tooltip to mention double-click to edit
- Keep checkpoint/embedding send tooltips truthful (no replace mode)
Sync new i18n keys to all locales (placeholders pending translation)