…topPropagation

- Remove SidebarHeader with burger/Goose label
- Add SidebarEdgeStrip: 6px clickable edge on sidebar right side
  - Hover reveals bg-border-strong/40, click toggles sidebar
  - Cursor changes: w-resize (expanded) / e-resize (collapsed)
- Action icons (+, pin, x) now inline with hover highlight
  - Added e.stopPropagation() to prevent parent toggle
  - Smaller padding (p-0.5), hover feedback on icons
  - Close button title simplified
- Remove unused useSidebar/SidebarHeader/SidebarTrigger from AppSidebar

- Always-visible 1px border-r on sidebar edge (border-border-default)
- Hover: thickens to 3px border-border-strong (clear visual feedback)
- Active: 3px border-border-accent (confirms interaction)
- Width bumped to w-2 (8px) for easier click targeting
- Cursor: w-resize (expanded) / e-resize (collapsed)

Replace static edge strip with interactive drag handle:
- Pointer capture drag to resize sidebar width (38px-192px)
- Snap threshold at 120px: drag past = expand, drag under = collapse
- Protruding tab handle (›/‹) visible on sidebar edge
- Click-to-toggle when no drag detected
- Invisible 20px hit zone for easy drag targeting
- Smooth CSS transitions (disabled during drag)
- Keyboard accessible (Enter/Space to toggle)

Change sidebar-wrapper from overflow-hidden to overflow-y-hidden + overflow-x-visible
so the protruding tab handle (›/‹) is visible outside the sidebar bounds.

… on hover

- Tab handle is invisible at rest (no border, no bg, no text)
- On hover: shows border-default, bg-muted, text-muted chevron
- On active: bg-active, text-default
- Smaller: 14x32px (was 18x44px)
- Tab is inside the drag zone (not a separate element)
- Maintains drag-to-resize and click-to-toggle behavior

1. Right-side sidebar support: inverts drag direction for side='right'
2. Touch safety: touch-none prevents browser gesture interference
3. pointercancel handling: endDrag() prevents stuck isDragging state
4. Robust sidebar selector: [data-slot='sidebar'][data-state] query
5. Auto-calculated snap threshold: (ICON + FULL) / 2 = 115px
6. group-hover/sidebar-drag: tab visible on drag zone hover
7. ARIA: aria-expanded on drag handle for screen readers

Also removes unused SNAP_THRESHOLD constant.

instances.ts is a hand-written A2A wrapper that was living in src/api/,
the output directory of @hey-api/openapi-ts. Every codegen run deleted it.

- Move src/api/instances.ts → src/lib/instances.ts
- Update all 7 consumer imports to new path
- Remove Justfile git-checkout workaround (no longer needed)
- Internal imports updated to reach ../api/ from new location

- SidebarMenuButton base: add icon-mode classes (size-8, p-2, span:hidden)
  so icons remain visible when sidebar is collapsed
- SidebarDragHandle: replace protruding tab with full-height 6px strip,
  hover:bg-border-default for contrast, wider invisible hit area for grab
- AppSidebar: add icon-only buttons for multi-item zones in collapsed mode,
  wrap full collapsible groups in group-data-[collapsible=icon]:hidden

- Default: 1px bg-border-default (subtle separator line, always visible)
- Hover: widens to 4px with bg-border-strong for clear affordance
- Dragging: 4px bg-border-strong with grabbing cursor
- Invisible 16px hit area maintained for easy grabbing

…snap animation

- SNAP_THRESHOLD at 30% (~84px) instead of 50% (~115px) — much easier to fold
- rubberBand() gives physical resistance when dragging past min/max edges
- Disable CSS transition during drag for real-time feedback
- Re-enable transition on release for smooth snap to final state
- e.preventDefault() on pointerDown to avoid text selection
- Proper cancel handling cleans up both --sidebar-width and transition

Remove all pointer drag logic (rubber-band, snap threshold, deadzone,
pointer capture) and replace with a simple SidebarToggleStrip:
- 6px always-visible strip (border-default/40) at sidebar edge
- Widens to 8px on hover with stronger contrast
- Click toggles sidebar open/collapsed
- Chevron indicator appears on hover
- Keyboard accessible (Enter/Space)
- ARIA expanded state

108 lines removed, 16 added — much simpler, cleaner UX.

- Remove standalone Home SidebarGroup with Collapsible wrapper
- Replace with 'New Chat' button + FolderPlus dropdown + flat SessionList
- General project group in SessionList naturally acts as home
- Remove unused isChatExpanded state
- Simpler structure: one section for sessions, separator, then nav zones

…ungrouped sessions

…erflow:hidden containers

…built into TooltipContent

…llapsed mode

…nvironmentBadge

…with stopPropagation

… on /pair when no session

Task 1: Replace Radix Tooltip in EnvironmentBadge with native title attr — eliminates
Maximum update depth exceeded error caused by Portal mount/unmount cycles.

Task 3: PromptBar now shows on /pair when no session is registered (ctx.session === null).
Removed redundant isOnPairRoute check from PromptBar — showPromptBar in context handles it.
Cleaned up unused useLocation import.

…o fix hit area

…ards

…antics