- Fix global scrollbar overflow by removing h-svh from html element
- Add h-full overflow-hidden to html/body for proper app-like layout
- Fix default button variant: add shadow-sm and hover:bg-primary/90
- Update sidebar create-issue button to bg-background with shadow
- Add WorkspaceAvatar component and search/new-issue actions to sidebar header
- Improve theme provider with TooltipProvider wrapper
- Polish various page layouts, pickers, modals, and code block styling
- Clean up custom.css unused styles
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Fix authorization bypass in DeleteSkillFile (missing workspace/role check)
- Extract skills page into features/skills/ module (thin route shell)
- Fix skill files disappearing after save (use API return values + merge in refreshSkills)
- Fix silently swallowed DB errors in ListAgents/GetAgent skill queries
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>