Turn-LoRA class balance must account for target-token concentration
Observed 2026-09-04 on e3-solutions/ender-inference, COR-3791, branch vansh/cor-3791-fine-tune-a-freight-turn-detector-for-identifiers-pauses-and, commit bc768b0. A 1:1 paired synthetic augmentation is not necessarily a balanced next-token objective for turn detection. In this e…