systems design.

A markets-and-systems essay on why automated prop trading starts with compliance architecture, risk design, and testing discipline before it ever becomes a model-selection problem.

An AI-and-agents draft arguing that robust search for agents is really a routing, caching, and failure-mode design problem, not just a provider shopping problem.

An AI-and-agents draft arguing that once third-party harnesses lose subsidized premium-model access, the serious question becomes routing, sandboxing, and operational control rather than provider loyalty.

An AI-and-agents draft arguing that the hard part of an AI-run business is not just model intelligence but legal identity, payment rails, memory, and operational accountability.