ดาวน์โหลด TermCanvas 0.16.3

Fixed
- Kill process group before removing PTY instance on resize error
- Restrict token and device-id file permissions to owner-only
- Resolve theme-related visual issues across multiple components
- Add 8px inset to terminal tiles within worktree containers
- Remove selection outline from terminal tiles
- Do not trigger onOpenFile when deselecting a memory graph node
- Register welcome drag listeners on step 4 instead of step 3
- Add try/catch to login() to prevent permanent loginPending lock
- Remove terminal tile border classes and inner padding
- Remove terminal tile border and light-only box-shadow
- Deduplicate SessionStart hook by script name to prevent dev/prod double registration
- Account for left sidebar in viewport centering calculations