Runtime vs generated

Runtime and generated mode are two delivery paths for the same lexer design.

Question	Runtime	Generated
Fastest edit/run loop?	Yes	No regeneration step
Smallest deployed dependency?	No	Standalone: yes
Easy to inspect output?	Specification and runtime	Ruby artifact
Recommended parity check?	Source of truth	Compare token stream

Use the runtime for development and tests, then generate and compare before deployment. Do not assume a generated file is safe merely because it is generated: actions remain Ruby code.