# contract_diff — template (P0 · required per implement ECR)

# Copy to: docs/CONTRACT_DIFF/ECR-xxx.yaml
# Guardian / Reviewer: reject coding Approve if missing or breaking without migration notes.

ecr: ECR-XXX
capability: ""          # L0 id
bounded_context: ""     # L1 id
change:
  type: additive        # additive | breaking | deprecate
breaking_change: false
migration_required: false
compatibility_notes: ""

entities:
  - name: ExampleEntity
    before: null
    after:
      fields:
        - id
        - name

apis:
  - method: GET
    path: /api/v1/admin/example
    change: added       # added | modified | removed
    request_delta: null
    response_delta: null

security_impact:
  - "AdminAuth required"

observability_impact:
  - "writes AuditLog on mutate"