Illustrative example

By Specship · Last updated May 26, 2026 · Synthetic example, not a customer case study

Test-first bug fix example.

A support report says invoice filters reset after pagination. The useful first output is not code; it is a failing reproduction test that locks the bug in place.

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Direct answer: a reviewable AI coding agent output should contain the request, acceptance criteria, failing tests, scoped implementation notes, and PR evidence a human can verify.

Acceptance criteria

  • Selected filters persist across pagination changes.
  • Returning to page 1 restores the same filtered result set.
  • The URL query string remains shareable.
  • No regression to saved views or default table state.

Tests before code

  • Failing browser test reproduces pagination filter reset.
  • Unit test covers query-string state serialization.
  • Regression test confirms saved view state still wins on initial load.

Implementation notes

  • Move filter state persistence to the table controller.
  • Keep URL updates debounced to avoid history spam.
  • Do not change backend filtering semantics.

PR review evidence

  • PR shows the failing test turning green.
  • Implementation diff is scoped to table state management.
  • Reviewer can replay the reproduction path from the PR body.