whittle

Cut uncertainty away until one usable shape is left. A workflow, a file format, and a checker. The file is the artifact; the tree is a by-product of the work, never extra work.

Format spec and grammar: references/format.md. Checker and renderer: scripts/whittle.sh (bash scripts/whittle.sh check <file> / frontier <file> / tree <file>).

File

One decisions.md (any name) in the repo under discussion. Plain Markdown. Each item is a heading-level block: