Implement and verify design doc invariants by annotating tests and source code with [INV-*] / @spec tags, then driving tx spec coverage from BUILD toward HARDEN (100% FCI). Works with any design doc that has an invariants block.
$npx -y skills add jamesaphoenix/tx --skill verify-invariantsInstalls into the current project.
Run `npx skills use "https://github.com/jamesaphoenix/tx" --skill "jamesaphoenix/tx/verify-invariants"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/jamesaphoenix/tx" that are relevant to the current task. Run `npx skills add "https://github.com/jamesaphoenix/tx"` and select the relevant skills, then follow their instructions.