docs(changelog): independent Result and Quarantined filters on run history

[samgutentag]

Changelog entry for the Flaky Tests run-history filter split (TRUNK-18225).

What shipped: the run history tab on a test's detail page now has separate Result (All / Pass / Fail) and Quarantined (Include / Exclude / Only) segmented controls, instead of one combined picker. Source: trunk-io/trunk2#3906.

Wired into all 4 sites:

• changelog/2026-05-07-flaky-tests-run-history-filters.mdx
• docs.json nav (2026 group)
• changelog/index.mdx (master index)
• flaky-tests/changelog.mdx (product index)

Date caveat: publish date is the Linear ticket creation date (2026-05-07) as a ship-time proxy — confirm before publishing.

Part of the changelog backlog sweep. Verification (/verify-docs-pr, /verify-docs-against-code) results posted below.

🤖 Generated with Claude Code

[samgutentag]

Verification status (2026-05-28): live

Verified: customers can use this. Ready to publish.

• Eng PR: trunk-io/trunk2#3906 (merged 2026-05-06, on main)
• Flag: none (ungated UI change)
• Signals: eng PR merged and merge commit intact on main; no feature flag in PR body or diff

Suggested next action: confirm the publish date, then mark ready for review.

[samgutentag]

Code verification (2026-05-28): 2 confirmed / 0 contradicted / 0 ambiguous / 0 unverifiable

Claim	Verdict	Source
Result filter values are All / Pass / Fail	confirmed	test-run-history-filters.tsx
Quarantined filter values are Include / Exclude / Only	confirmed	test-run-history-filters.tsx

Both segmented-control value sets match source exactly (same labels, same order). No contradictions. The source file path also confirms the feature lives on the test detail page's run history (.../test/[testId]/components/test-run-history-filters.tsx), matching the docs claim.

---

Source #1 — Result filter values (confirmed)

File: trunk-io/trunk2/.../components/test-run-history-filters.tsx

const RESULT_OPTIONS: { value: string; label: string }[] = [
  { value: "all", label: "All" },
  { value: "pass", label: "Pass" },
  { value: "fail", label: "Fail" },
];

Reasoning: The RESULT_OPTIONS array drives the Result segmented control. Its label fields are exactly All, Pass, Fail, matching the changelog entry. Introduced in trunk-io/trunk2#3906.

Source #2 — Quarantined filter values (confirmed)

File: trunk-io/trunk2/.../components/test-run-history-filters.tsx

const QUARANTINED_OPTIONS: { value: QuarantinedFilter; label: string }[] = [
  { value: "include", label: "Include" },
  { value: "exclude", label: "Exclude" },
  { value: "only", label: "Only" },
];

Reasoning: The QUARANTINED_OPTIONS array is a new, separate segmented control added in this PR (previously "Quarantined" was a single value folded into the result picker, visible in the diff as a removed { value: "quarantined", label: "Quarantined" } option). Its labels are exactly Include, Exclude, Only, confirming both the values and the "now independent" claim.

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