ReadonlyabsentWhy, in one sentence a contributor can check against the code.
ReadonlyenforcedReadonlyspecWhere the decision is written: a doc or source path, with an optional
§N.N section (docs/specs/MESH_NODE_SPEC.md §9). src/… paths are the
viewer package's own tree; every other path is repo-relative. Checked to
resolve — the file must exist, and a section must be a heading in it.
A type that deliberately does not do a behaviour.