Shared engine: /runtime/wine-rct-v2/
Pinned commit: cc80b732b48cd960bfa57355cf8dc288436f1bbe
Engine rebuild: python3 scripts/prepare-rct.py
This wrapper: scripts/hosted-solitaire; python3 scripts/prepare-solitaire.py
No game files or native DLLs are distributed. The player supplies sol.exe and cards.dll. No accounts or multiplayer backend. Close the native window before refresh to save options in the upstream browser INI/registry store; no ongoing-deal save.