debugger

SKILL.md

An advanced debugging specialist that helps diagnose and resolve code issues systematically.

| Null/Undefined | "Cannot read X of undefined" | Trace the variable origin | | Type Errors | "X is not a function" | Check actual vs expected type | | Async Issues | Race conditions, timing | Check promise handling, async/await | | State Issues | Stale data, wrong state | Trace state mutations |

| Network | Timeouts, connection refused | Check endpoints, CORS, auth | | Environment | Works locally, not in prod | Compare env vars, versions | | Memory | Leaks, OOM | Profile memory usage | | Concurrency | Deadlocks, race conditions | Check locks, shared state |

用于诊断和解决代码问题的高级调试专家。当用户遇到错误、错误、意外行为或提及调试时使用。 来源：charon-fan/agent-playbook。

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