apps/server/src/orchestration-v2/EventSink.ts                  |   7 +-
 apps/server/src/orchestration-v2/FoundationPersistence.test.ts |  26 +++++
 apps/server/src/provider/EventNdjsonLogger.test.ts             | 122 ++++++++++++++++-----
 apps/server/src/provider/EventNdjsonLogger.ts                  | 182 +++++++++++++++++++-------------
 apps/server/src/serverRuntimeStartup.ts                        |  24 +++--
 docs/internals/performance-regressions.md                      |   6 ++
 docs/operations/observability.md                               |   3 +-
 packages/shared/src/logging.test.ts                            |  61 +++++++++++
 packages/shared/src/logging.ts                                 |  83 +++++++++++++++
 packages/shared/src/observability.test.ts                      |  76 +++++++++++--
 packages/shared/src/observability.ts                           | 138 ++++++++++++++----------
 11 files changed, 552 insertions(+), 176 deletions(-)