v4.3.0 — no code before the brief

Every task carries four fields the user has seen before the first line of code — job, why, guardrails, done means — drafted by the agent, confirmed by the user, and re-read as the acceptance test. SKILL.md carries the rule; README The task brief is the definition. Every project keeps SPEC.md at its root as the project-level brief; the checklists box it. The budgets held by trimming rationale sentences, the branch the 2026-08-18 decision left open. Reference synced at 883dcb8: 78 gates, exit 0.