Root Cause Tracing

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This skill provides a structured methodology for debugging complex errors that manifest deep within an application's execution path. Instead of patching symptoms, it guides users through a recursive process of identifying immediate causes, analyzing call chains, and implementing strategic instrumentation like stack traces and defense-in-depth validation. It includes specific strategies for identifying test pollution and ensures that fixes are applied at the source, preventing recurring issues in large-scale, interconnected systems like monorepos.

Características Principales

• Test pollution identification using bisection techniques
• Symptom vs. root cause differentiation logic
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• Systematic backward call stack tracing methodology
• Automated instrumentation and stack trace logging patterns
• Defense-in-depth validation layer implementation

Casos de Uso

• Debugging 'ghost' errors that only appear during large, concurrent test suites
• Identifying the source of invalid data passed through multiple architectural layers
• Solving file system or environment pollution issues in complex monorepo environments