feat: add supervisor review node to validate Final Answer candidates before finalization

feat: improve agent precision and formatting rules

updated to print

normalizer added

feat: rate limit resilience + formatter safety + fail-safe hard-caps

feat: pause batch on high rate limit window

feat: handle rate limit streak and batch abort

feat: retry gaia task once after cooldown

fix 3 layer memory ststem

feat: enhance LLM formatting capabilities and improve logging in various components

feat: implement secure Python sandbox with process and Docker backends

review: ship all 15 quick-win fixes from REVIEW.md via TDD

feat: implement GAIA benchmark evaluation runner with strict output formatting and vision tool integration.