Maintainer decision, 2026-11-02: the core implementation and basic live behavior are sufficient for this stage. The original exhaustive done checklist was not fully satisfied and the contract is not marked Final; unfinished verification and known failures remain visible as future work.
A quiet live Wayland desktop is not assumed to yield a reliable single-environment 7/7. Record that a purpose-built private compositor/XWayland harness may be needed and whether split-environment evidence suffices is open for review.
Settled decisions, scope and done checklist in wine-proton.md; execution ledger with batch amendments, the satisfied Phase 0 gate and the accepted Phase 1 handoff in wine-proton-phases.md.