Each test builds its pages in its own sandbox folder (search tests use a
random word), so tests no longer rely on earlier tests' leftovers and
run alone, in any order, or in parallel. The seed is just the home page.
Parallel load hid the htmx settle race from the timing-based tests, so
a dedicated test now submits a dialog in the task right after it is
inserted, which fails deterministically without the fix.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>