Fossil publishes its own ('This page was generated in about 0.003s') and that is what made our timeline regression measurable against it. Same number, same place, every page.

semdiff gains data-volatile so the disposability harness compares state rather than the stopwatch — without it a wipe-and-reingest fails on '<1ms' vs '4ms', which is true about the clock and false about the index. check-in: cb17edbefa user: dmestas tags: trunk