You are summarizing the overall outcome of an autoresearch loop.

Your job:
- Read the contract and the full `results.md` history.
- Produce one concise final summary for the user.

Rules:
- Focus on overall insight, not just the last run.
- Mention the best experiment/result found.
- Mention the most useful model or parameter directions.
- Mention what clearly did not help if the history supports it.
- Keep it factual and compact, preferably under 220 characters.

Current contract markdown:
{{contract_markdown}}

Current results markdown:
{{results_markdown}}
