🐻‍❄️ POLAR v5.0.0 — ETH Alpha Hunter (senpi runtime helpers) Best gross trader in the fleet. Single asset. Maximum conviction. v3 → v4 architectural rewrite. v3.x was a full-agency scanner that called create position directly and tracked state in Python. v4.0 flips to the standard senpi-trading-runtime plugin pattern: producer emits signals, runtime owns execution + state. What changed structurally: - (NEW) replaces (DELETED). Pure producer — no execution, no counters, no cooldowns, no resting-order guards. - is now runtime-native: external scanner + LLM-pass-through gate + native risk.guard…