rubber-duck-review

name	rubber-duck-review
description	Run the mandatory MoneyPulse Web rubber-duck review on a plan, spec, implementation, or fix before handoff or completion.

Use this skill before marking work complete.

Checklist:

1. State the exact problem.
2. State the smallest solving change.
3. State the invariant that must remain true.
4. State the validation that proves success.
5. State the next likely failure mode.

If any answer is unclear, continue refining the plan or implementation.