ce-debug
Debug and Fix
Find root causes, then fix them. This skill investigates bugs systematically — tracing the full causal chain before proposing a fix — and optionally implements the fix with test-first discipline.
<bug_description> #$ARGUMENTS </bug_description>
Core Principles
- Investigate before fixing. Do not propose a fix until you can explain the full causal chain from trigger to symptom with no gaps. "Somehow X leads to Y" is a gap.
- Predictions for uncertain links. When the causal chain has uncertain or non-obvious links, form a prediction — something in a different code path or scenario that must also be true. If the prediction is wrong but a fix "works," you found a symptom, not the cause. When the chain is obvious (missing import, clear null reference), the chain explanation itself is sufficient.
- One change at a time. Test one hypothesis, change one thing. If you're changing multiple things to "see if it helps," stop — that is shotgun debugging.
- When stuck, diagnose why — don't just try harder.
Execution Flow
| Phase | Name | Purpose |
|---|---|---|
| 0 | Triage | Parse input, fetch issue if referenced, proceed to investigation |
| 1 | Investigate | Reproduce the bug, trace the code path |
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