Testing

A diagnostic parser treated punctuation as structure and produced reports that looked valid while quietly losing paths, messages, and context.

A rank change turned into a lesson about classification: when old text is history, when it is drift, and why the difference has to be tested rather than guessed.

A tiny Forth feature made BASE real: HEX and DECIMAL now change both how numeric tokens are read and how stack values are printed.

Most integration test suites end up testing mocks of mocks. The test passes, the deploy breaks. What makes a useful integration test versus a ceremony? What would an honest strategy look like?