Improve cost/token extraction across Codex, Claude Code, Cursor, Copilot, and custom agents.\n\nAcceptance criteria:\n- Define a normalized usage schema in score.json.\n- Parse known JSON/stream output formats where available.\n- Document how custom agents can emit usage metadata.\n- Reports include cost per passing patch when data is available.
Improve cost/token extraction across Codex, Claude Code, Cursor, Copilot, and custom agents.\n\nAcceptance criteria:\n- Define a normalized usage schema in
score.json.\n- Parse known JSON/stream output formats where available.\n- Document how custom agents can emit usage metadata.\n- Reports include cost per passing patch when data is available.