Fixes
- GUI not showing on Windows —
_ensure_qt()setQT_QPA_PLATFORM=offscreenfor headless CLI rendering, buttrcc guiinherited it and rendered to a hidden surface. Now cleared before GUI launch - Windows installer upgrade — closes running TRCC before upgrade (avoids locked file errors), cleans stale PyInstaller
_internal/from previous version. User data (~/.trcc/) is never touched