feat(report): make top regressions visibly expandable - #29
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The only cue that a regression row expands was an 11.5px dim caret, so the rows read as static. Each section's worst regression now starts open, every row carries a boxed caret and a "Show details" / "Hide details" hint (text dropped at phone width), and the header reacts on hover and shows a focus ring. Print expands every regression where the engine supports ::details-content. CSS only; the report still ships no JavaScript. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Summary
Nothing in the report's Top regressions list showed that a row could be opened. The only hint was a faint 11.5px
▸, and the row didn't react to hover, so it looked like a static line.loop.first). Seeing one open also tells readers the others open.details[open]. At phone width only the box shows.::details-content. Other browsers print the rows collapsed.Everything is CSS; the report still ships no JavaScript.
Testing
test_top_regressions_open_first_and_hint_expandable: it failed before the template change and passes after.pre-commit run --all-filespasses: ruff, ruff format,mypy --strict.pytest: 2447 pass, 1 fails.test_the_vendored_schema_matches_the_server_exportcompares this repo's schema copy with a siblingevalshift-servercheckout, and the two have drifted locally. It fails the same way onmainand is skipped in CI, where no sibling checkout exists.r_20260918_planner_31b276) in headless Chromium at 1320px and 390px wide and checked it by eye.🤖 Generated with Claude Code