Smart Brevity 8: Train the decision point: when to stop thinking, which harness to borrow, which model to call

Train the decision point: when to stop thinking, which harness to borrow, which model to call; LoCo: same-prefix preference pairs teach a reasoning model when to stop; Harness-S: sibling harnesses rescue failed RL groups, then the skill moves into the policy; Route Anything: oracle headroom says routing pays in cost before quality; System-1 gate: predict, gate, execute, update, with savings set by how rare useful actions are; Pandora: separate what a simulated user feels from how they say it; Kling: captions as a contract and a trained prompt rewrite layer; Judge check: compare AI and human rankings at the top, not on average; Claude Mods: middleware hooks and the attenti