The manifest the build wrote; it is saved again after output returns, with the preset's changes.
The preset's field of cell.config.ts (named like the preset), validated by Preset.options; {} when absent.
Absolute output directory.
Project root.
Reported like other build warnings (stderr, and warnings of --json).
Writes a file relative to the output directory and lists it in manifest.files; mode e.g. 0o755 for a start script.
Optionalmode: number
What Preset.output gets after the bundles are written.