UTILITY BID
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Each agent scores its candidate intents every think-tick and takes the argmax with hysteresis. Path recomputes only when the goal moves a cell, the route is invalidated, or the timer expires.
OVERLAY
Cost field: amber grit = move cost 1.35 (A* pays for it, bodies slow down).
CODEX
S skitter · flees to a vent, wounded packs rally and hunt
K stalker · hides, holds LOS-free cover, pounces
H howler · broadcasts your position to the pack; kill it to break coordination
◈ an agent's last knowledge of you — not the truth, a belief