Systematic root-cause debugging: reproduce, investigate, hypothesize, fix with verification. Use when asked to "debug this", "fix this bug", "why is this failing", "troubleshoot", or mentions errors, stack traces, broken tests, flaky tests, regressions, or unexpected behavior.
$npx -y skills add iliaal/whetstone --skill debuggingInstalls into the current project.
Run `npx skills use "https://github.com/iliaal/whetstone" --skill "iliaal/whetstone/debugging"` 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/iliaal/whetstone" that are relevant to the current task. Run `npx skills add "https://github.com/iliaal/whetstone"` and select the relevant skills, then follow their instructions.