BFM-decomp/rules/G39.md

G39 -- A budget is part of the harness

Turn and cost caps are sized to the card, not fixed across cards; the cap on concurrent workflows is a budget, and a harvest workflow counts against it. Route drafters by a difficulty cliff measured on the project's own corpus and escalate sooner — a cheaper tier run into a wall costs twice. provenance: BFM R46 + memory "subagent model ladder"; 98 of 270 attempts ending at the cap; the tier that cost more per bank