Module error 

The error catalogue (docs/07). Single source of truth (RULE-17): the enum, code strings, exit codes, meanings and remedies are all generated from the one table below. A test cross-checks it against the documentation.

Structs

RexactError

A located catalogue error. position is (line, column), 1-based, counted in Unicode scalar values (docs/07 rule 2).

Enums

ErrorCode

One variant per catalogue entry, one-to-one with docs/07.