## Summary Immutable per-session cost records tracking token usage by model tier with budget limits and early failure. ## Context Identified in Harness Alpha competitive analysis (#107). Claude Code itself may add this natively. ## Effort Medium
Summary
Immutable per-session cost records tracking token usage by model tier with budget limits and early failure.
Context
Identified in Harness Alpha competitive analysis (#107). Claude Code itself may add this natively.
Effort
Medium