# Spec: [Name] **Date:** YYYY-MM-DD **Author:** [who requested] ## Problem What's broken or missing (1-3 sentences) ## Goal What we want to achieve (measurable outcome) ## Scope ### In Scope - Concrete behaviors / user stories - ... ### Out of Scope (not doing) - Clearly mark boundaries - ... ## Acceptance Criteria - [ ] Criterion 1 (verifiable) - [ ] Criterion 2 - [ ] Criterion 3 - [ ] ... ## Constraints - Technical limitations - Backward compatibility requirements - Performance requirements - Security requirements ## Non-Goals - What is explicitly NOT a goal - ...