AI RESEARCH
Roles with Rails: Contract-Preserving Role Evolution in Multi-Agent Structured Reasoning
arXiv CS.CL
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ArXi:2605.28433v1 Announce Type: new Role-based LLM multi-agent systems need adaptive role pools, yet adapting such systems is not merely a matter of prompt optimization: roles often carry structural obligations, including capability coverage, message compatibility, validation, final-answer aggregation, and parser-compatible output protocols. Existing systems either fix the role inventory and lose adaptivity, or allow unconstrained generation to induce role drift, removing structurally necessary roles and breaking answer contracts.