apps/server/src/usage/UsageService.test.ts          | 226 ++++++++++++++++++++++++++++++++
 apps/server/src/usage/UsageService.ts               | 165 +++++++++++++++++++----
 apps/server/src/usage/usageScanCache.test.ts        |  75 ++++++++++-
 apps/server/src/usage/usageScanCache.ts             | 176 +++++++++++++++++++------
 apps/server/src/usage/usageTranscriptReader.test.ts | 210 +++++++++++++++++++++++++++++
 apps/server/src/usage/usageTranscriptReader.ts      | 201 ++++++++++++++++++++++++----
 6 files changed, 963 insertions(+), 90 deletions(-)