New feature: click the floating ? button (bottom-right corner) to
enter help mode. Click any UI element to see a popover explaining
what it is and how to use it. Covers Dashboard + Sidebar + Watchlist.
- Floating button always visible above modals (z-index 999999)
- Click interception via capture phase prevents accidental actions
- Popover with smart positioning (right/left/below fallback)
- Arrow pointing to target element with accent highlight pulse
- "View full documentation" links navigate to the correct docs section
- Escape key dismisses popover or exits help mode
- Works inside modals (watchlist, artist config, global settings)
- 45+ contextual help entries covering sidebar nav, service cards,
stat cards, all 9 tool cards, watchlist modal buttons, artist
config options, content filters, and activity feed
- Separate helper.js file for maintainability