The Validity Mirage
Compression-induced task drift in AI agents
Context compression can look valid while the governing task has drifted. This research program studies the structural failure, proves where each layer of reasoning breaks under memory pressure, and provides a tool (tropical-mcp) to detect and prevent it in real AI coding agents.
Key contribution: Formal definition of the validity mirage, empirical measurement across 164 degraded responses, and a tractable detection method.
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