DOAX3 Scarlet PC port - local 1.08 candidate

Project launchers:
  Launch-DOAX3-Scarlet-Candidate.cmd - native 1080p at 30 FPS
  Launch-DOAX3-Scarlet-NR.cmd - native neural rendering, no frame generation

The optional packaged GUI is DOAX3 Scarlet.exe; its direct-play helper is
Play DOAX3 Scarlet.exe. This local build has no online update feed.
See the project SETUP.md for the validated game/runtime/save configuration.
Upstream attribution is preserved in LICENSE and docs/upstream.
