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Bug report to fix prompt

Give your coding agent a reproducible bug, not a vague complaint

Convert symptoms and scattered notes into a focused investigation with reproduction steps, expected behavior, likely evidence, and a regression-test requirement.

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What changes

A useful brief makes the missing decisions visible.

  • Separates symptoms from causes
  • Makes reproduction explicit
  • Protects against regressions

Example output

Diagnostic brief

Task: diagnose and fix the mobile navigation remaining open after route changes.

Reproduce:
- test link navigation and browser back/forward on iPhone-sized viewports
- compare client-side navigation with a full page load
- record the route, menu state, and focus state after each action

Expected behavior:
The menu closes after successful navigation and keyboard focus moves predictably.

Constraints:
- find the cause before changing state logic
- preserve desktop navigation
- keep the menu accessible by keyboard and screen reader

Done when:
- the cause is documented
- the smallest fix is implemented
- a regression test covers the failing sequence

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