apps/server/src/orchestration-v2/BackgroundWorkStop.integration.test.ts | 193 ++++++++++++++++++++
 apps/server/src/orchestration-v2/EffectWorker.test.ts                   |  39 +++-
 apps/server/src/orchestration-v2/EffectWorker.ts                        |   8 +
 apps/server/src/orchestration-v2/EventSink.ts                           |  11 +-
 apps/server/src/orchestration-v2/FoundationPersistence.test.ts          |  29 ++-
 apps/server/src/orchestration-v2/Orchestrator.ts                        | 305 ++++++++++++++++++++++++++++----
 apps/server/src/orchestration-v2/ProviderTurnControlService.ts          |  14 ++
 apps/server/src/orchestration-v2/RunExecutionService.test.ts            |  55 +++++-
 apps/server/src/orchestration-v2/RunExecutionService.ts                 |  13 +-
 apps/server/src/orchestration-v2/testkit/ProviderReplayHarness.ts       |   6 +-
 10 files changed, 623 insertions(+), 50 deletions(-)