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44 lines
2.1 KiB
TeX
44 lines
2.1 KiB
TeX
\section{Conclusion}
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\label{sec:conclusion}
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We have presented the Unified Agent Harness (UAH), a vertically integrated
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seven-layer architecture for autonomous AI agents. The central argument of
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this paper is both empirical and architectural: the harness, not the model,
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is the product.
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The empirical case is demonstrated by the competitive analysis: the UAH
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achieves 74.3\% on SWE-bench Verified, 70.2\% better absolute performance
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than the next best multi-domain competitor, while maintaining competitive
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per-task cost. The performance advantage derives not from a superior
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underlying model but from cross-layer optimization enabled by vertical
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integration.
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The architectural case is established by Theorem~\ref{thm:dominance}: any
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system that separately optimizes individual layers will yield strictly
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suboptimal end-to-end performance compared to joint optimization over all
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layers---under the empirically verified condition that layer performances
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are non-separable. The seven cross-layer effects we document empirically
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confirm this non-separability in production.
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The broader implication is organizational as much as technical. As frontier
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model capabilities converge (closing the gap between providers that
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independently optimize LLMs), the durable competitive advantage in
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AI-powered products will come from the infrastructure layer: routing,
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tooling, compute, observability, and self-improvement. The AWS analogy
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holds: just as cloud infrastructure became the durable business layer above
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a commoditizing hardware market, the agent harness will become the durable
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business layer above a commoditizing model market.
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The UAH defines what a complete agent harness must contain. We release the
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architecture specification, the formal layer definitions, and the
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open-source components (\texttt{@hanzo/mcp}, \texttt{hanzo-agent},
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\texttt{hanzo-operative}) to the community, and invite the field to build
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upon, critique, and extend this foundation.
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% ============================================================================
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% APPENDIX
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% ============================================================================
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\appendix
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