check_compliance call — from the Action, the App, a full scan, or an MCP client —
records the model used and its token usage. LLM cost turns that into a running estimate
of what enforcement is actually costing.

Tiles
- LLM calls — how many evaluations ran in the selected period.
- Total tokens — prompt + completion tokens summed across those calls.
- Estimated cost — priced from a static table of common model rates. Shows — when nothing in the window matches a priced model.

