# Spec: (refs #) > SDD spec-anchored: this file is the source of truth for **intent**. > Code + tests enforce it. When requirements change, update the spec first. ## Problem / Why <1–2 short paragraphs: the user/developer problem and why it matters now.> ## Goal ## Acceptance Criteria (EARS) > Easy Approach to Requirements Syntax. One testable line each. - WHEN , THE SHALL . - WHILE , THE SHALL . - THE SHALL . ## Out of Scope > Bound the agent's exploration explicitly. - ## Verification (deterministic first) > How "done" is proven. - `cargo test -q ` - `scripts/preflight.sh fast` ## Links - Tracking issue: # - Plan: ./plan.md · Tasks: ./tasks.md - Contracts touched (if any): `docs/contracts/<...>-v1.md`