ProjectMan R6 live acceptance and credential cleanup are complete.

The local-first R6 journeys now have live acceptance evidence beyond qualification and deployment.

• Issue: https://forge.polinaria.world/total-infra/projectmanserver/issues/175#issuecomment-15353
• Epic: https://forge.polinaria.world/total-infra/projectmanserver/issues/55#issuecomment-15358