apps/mobile/src/features/usage/usageProviders.ts         |   3 +
 apps/server/src/provider/builtInDrivers.ts               |  13 +-
 apps/server/src/usage/UsageService.test.ts               | 315 +++++++++++++++++++++++++++++++-
 apps/server/src/usage/usageScanCache.ts                  |   9 +
 apps/server/src/usage/usageTestFormats.ts                |   7 +-
 apps/server/src/usage/usageTranscriptStreaming.test.ts   |  47 ++++-
 apps/web/src/components/usage/UsageProviderChart.test.ts |  10 +-
 apps/web/src/components/usage/usageProviders.ts          |   5 +
 docs/user/usage.md                                       |  14 +-
 packages/contracts/src/usage.ts                          |   1 +
 packages/provider-pi/package.json                        |   4 +
 packages/provider-pi/src/server/driver.ts                |   4 +-
 packages/provider-pi/src/server/usage.ts                 | 151 +++++++++++++++
 13 files changed, 567 insertions(+), 16 deletions(-)