godbayHammer(entry, townKey): THE ONE-HAMMER LAW — seeded by ITEM IDENTITY
(godbay:<townKey>:<sku|slotId>:<dayFound>:<pricePaid>), NEVER by resolution day: a passed-in
item re-lists to the same result forever, so there is no retry farm anywhere in the economy
(the keeper's offer is a formula, the auction is one hammer per item per life). Fixed 4-draw
stream. Rolls: 15% passed in (comes home free) · hammer uniform across the item's band
(grail's open top = 2×low; unbanded alpha finds auction around pricePaid — honest, never
invented) · 12% bidding war ×1.5–2.0 · 12% commission, net floor $1. EV ≈ 0.8× band midpoint
— UNDER the asking-price EV of in-band stock: random flipping bleeds, only FINDS profit
(charter law #2 at the auction house); the keeper's half-of-low stays the instant floor, the
gavel the bounded ceiling (2×high×0.88). Band table imported from C's bible.js and PRNG from
core/prng.js — one authority each, no mirrors.
listings: optional on procity-save/1 (entry shape + listDay ≥ 1, the pulls/wants back-compat
law). listFind (identity — the entry LEAVES the crate, it cannot also sell at a counter) ·
resolveAuctions() runs in adopt() AND sleep(), so sleep, travel, and day-moving imports all
hammer what they pass · takeAuctionNews() drains the transient morning paper (NOT saved — the
ledger is cash/collection; the paper is a toast).
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