<!-- v2.0: per ADR docs/adr/0001-execution-substrate.md (Option C, accepted 2026-05-23), interactive /hydra runs in THIS harness (Agent tool + codex-companion), so SKILL.md is the living product surface. Prompt-level v2.0 wins land here directly (Echo advisor; chairman grounding + suspicious-verdict gate). The Python core in hydra/ is scoped to the bench (deterministic citation-grounding + reproducible scoring) -- it does NOT replace this runtime. Design context: docs/sp
[Description truncada. Veja o README completo no GitHub.]