Merge main into kanban-scaling

Resolves merge conflicts while preserving:
- Kanban scaling improvements (window sizing, bounce prevention, debouncing)
- Main's sidebar refactoring into hooks
- Main's openInEditor functionality for VS Code integration

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/ui/src/components/views/board-view/kanban-board.tsx

@@ -3,7 +3,6 @@ import { SortableContext, verticalListSortingStrategy } from '@dnd-kit/sortable'
 import { Card, CardHeader, CardTitle, CardDescription } from '@/components/ui/card';
 import { Button } from '@/components/ui/button';
 import { HotkeyButton } from '@/components/ui/hotkey-button';
-import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from '@/components/ui/tooltip';
 import { KanbanColumn, KanbanCard } from './components';
 import { Feature } from '@/store/app-store';
 import { FastForward, Lightbulb, Archive } from 'lucide-react';