feat: Per-run cost tracking, phase-level metering, and budget caps#907

Draft

ryaneggz wants to merge 3 commits intodevelopmentfrom

feat/cost-tracking

Commits on Mar 25, 2026

chore: add cost tracking spec and implementation plan

ryaneggz
and
claude
committed
feat: cost tracking backend — pricing table, metrics schemas, cost middleware

ryaneggz
and
claude
committed
fix: address cost tracking review — model name extraction, datetime, middleware ordering, pricing gaps

ryaneggz
and
claude
committed