Instant main tail control

Workflow runs for Instant main tail control

• test: measure main-only PCM tail variation on Windows

  completed successfully:
  Instant main tail control#2:Commitd4573cdpushedbyrichiemcilroy
  ci/fixproof-instant-mixer

  Oct 16, 20266m 33s
  More actions for workflow run 2

• test: trigger the isolated main tail control

  completed successfully:
  Instant main tail control#1:Commit05facc2pushedbyrichiemcilroy
  ci/fixproof-instant-mixer

  Oct 16, 20264m 25s
  More actions for workflow run 1