About
The Root Cause Tracing skill provides a structured methodology for debugging complex issues that manifest deep within an application's execution path. Instead of patching symptoms where errors occur, this skill guides users through a backward tracing process, instrumentation techniques using stack traces, and test bisection to pinpoint the exact source of invalid data or environmental pollution. It is particularly effective for troubleshooting directory errors, state leaks, and elusive bugs in large-scale TypeScript and Node.js projects, ensuring long-term code stability through defense-in-depth patterns.
