-- Diffusion auto-land (docs/diffusion.md §4.2, Andy's choice 2026-10-13):

-- whether this repository lands a bump itself once both halves of its pill

-- are green. `auto`, `propose`, or empty for propose (off by default); a

-- subrepo's `.oxymodules` entry (`land = auto | propose`) overrides it.

ALTER TABLE repositories ADD COLUMN diffusion_land TEXT NOT NULL DEFAULT '';