apps/mobile/src/Stack.tsx                                              |   8 +
 apps/mobile/src/components/AppSymbol.tsx                               |   2 +
 apps/mobile/src/features/settings/SettingsRouteScreen.tsx              |   1 +
 apps/mobile/src/features/settings/components/settings-sheet-targets.ts |   3 +-
 apps/mobile/src/features/usage/UsageDailyChart.ios.tsx                 |  50 ++++
 apps/mobile/src/features/usage/UsageDailyChart.tsx                     |  44 ++++
 apps/mobile/src/features/usage/UsageRouteScreen.tsx                    | 442 ++++++++++++++++++++++++++++++++
 apps/mobile/src/features/usage/usageChartData.ts                       |  41 +++
 apps/mobile/src/features/usage/usageProviders.ts                       |  25 ++
 apps/mobile/src/state/usage.ts                                         | 129 ++++++++++
 apps/web/src/components/usage/UsagePage.tsx                            |   2 +-
 apps/web/src/components/usage/UsageProviderChart.tsx                   |   4 +-
 apps/web/src/state/usage.ts                                            |   2 +-
 apps/web/src/usage/usageFormat.ts                                      | 107 --------
 apps/web/src/usage/usageMerge.test.ts                                  | 258 -------------------
 apps/web/src/usage/usageMerge.ts                                       | 353 -------------------------
 packages/shared/package.json                                           |   8 +
 packages/shared/src/usageFormat.ts                                     | 108 ++++++++
 packages/shared/src/usageMerge.test.ts                                 | 258 +++++++++++++++++++
 packages/shared/src/usageMerge.ts                                      | 353 +++++++++++++++++++++++++
 20 files changed, 1475 insertions(+), 723 deletions(-)