infra/relay/src/agentActivity/AgentActivityRows.ts           |  34 ++++---
 infra/relay/src/agentActivity/ApnsClient.ts                  |  50 +++++----
 infra/relay/src/agentActivity/ApnsDeliveries.ts              |  14 ++-
 infra/relay/src/agentActivity/ApnsDeliveryQueue.ts           |  13 ++-
 infra/relay/src/agentActivity/DeliveryAttempts.ts            |  13 ++-
 infra/relay/src/agentActivity/Devices.ts                     |  35 ++++---
 infra/relay/src/agentActivity/LiveActivities.ts              |  34 ++++---
 infra/relay/src/agentActivity/apnsDeliveryJobs.ts            |  25 +++--
 infra/relay/src/auth/DpopProofs.ts                           |  15 ++-
 infra/relay/src/environments/EnvironmentConnector.ts         | 135 +++++++++++++++++++-----
 infra/relay/src/environments/EnvironmentCredentials.ts       |  35 ++++---
 infra/relay/src/environments/EnvironmentLinker.ts            |  31 ++++--
 infra/relay/src/environments/EnvironmentLinks.ts             |  68 ++++++++-----
 infra/relay/src/environments/EnvironmentPublishSignatures.ts |  40 +++++---
 infra/relay/src/environments/ManagedEndpointAllocations.ts   |  18 ++--
 infra/relay/src/environments/ManagedEndpointProvider.ts      |  70 ++++++++-----
 infra/relay/src/http/Api.ts                                  |  19 ++--
 infra/relay/src/observability.test.ts                        |  86 ++++++++++++++++
 infra/relay/src/observability.ts                             | 175 +++++++++++++++++++++++++++++---
 packages/contracts/src/relay.ts                              |  66 ++++++++++--
 20 files changed, 744 insertions(+), 232 deletions(-)