- Added usage snapshot persistence in sqlite with hour-bucket upsert behavior.
- Added listUsageHistory query support with optional provider and sinceMs filters.
- Added usage CLI history mode with `--history` and `--days` and trend rendering.
- Added changelog documentation for usage trend inspection and no-history exit behavior.
- Added catalog-level host/model predicates and compat resolvers.
- Extended compatibility types and model schema with timeout and replay flags.
- Replaced provider-specific heuristics with shared resolver-based checks.
- Updated host/identity and resolver tests to validate the new behavior.
- Added per-account usage reporting in the `omp usage` command.
- Added `provider`, `json`, and `redact` options to customize usage output.
- Updated CLI wiring to route usage commands to the new per-account behavior.