infra/relay/src/agentActivity/ApnsDeliveryQueue.test.ts      |  36 +++++
 infra/relay/src/agentActivity/ApnsDeliveryQueue.ts           |  23 ++-
 infra/relay/src/environments/ManagedEndpointProvider.test.ts |  43 ++++++
 infra/relay/src/environments/ManagedEndpointProvider.ts      | 249 ++++++++++++++++----------------
 infra/relay/src/worker.ts                                    |   7 +-
 5 files changed, 218 insertions(+), 140 deletions(-)