# Validation Checklist

- [ ] **Title & Metadata**: Is it clear _what_ this is and _when_ it was made?
- [ ] **Legend**: Can a stranger understand every shape/color?
- [ ] **Scope Consistency**: Does it stick to one level (Context/Container)?
- [ ] **Data Flow**: Is direction clear? (Request vs Response)
- [ ] **Labels**: Are arrows labeled with verbs? (e.g., "sends email" not "email")
- [ ] **Technology**: Are protocols/tech listed where relevant? (JSON/HTTPS, TCP)
- [ ] **External Systems**: Are they clearly distinguished from internal ones?
- [ ] **Security**: Are boundaries (Firewalls, VPCs, Auth) visible?
