game_required
`game.json` has no `game` address, which a real publish needs.
| Kind | disko command error |
disko exit code | 1 (problems) |
disko publish --dry-run builds and checks a project without a game field,
but a publish that uploads needs to know which game the release belongs to.
Without it, disko publish fails with game_required after the build and
exits with code 1. The output also lists a manifest_invalid problem for
game.json.
Wrong
game.json
Right
Create the game in the Creator Portal first, then set game to its
<namespace>/<slug> address.
game.json