chimera context-curve

Did runs carrying more context do worse? Measured on THIS machine's own logs. Answers with "not enough data" until the pre-registered floors are met — see `bench/context_curve/PREREGISTRATION.md`, which fixed those floors before any data existed.

Options

--tracesstr
Path to traces.jsonl (default: CHIMERA_HOME).
--runsstr
Path to runs.jsonl (default: CHIMERA_HOME).
--jsonboolean
Print the raw result instead of a table.