dtcs 0.3.0

Reference implementation of the Data Transformation Contract Standard (DTCS)
Documentation 
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dtcsVersion: "1.0.0"
id: "metadata.example"
name: "Metadata Example"
version: "0.2.0"

metadata:
  description: "Contract with full metadata"
  tags: ["example", "metadata"]
  classification: internal
  governance:
    owner: "data-platform"
    steward: "analytics-team"
    approvalStatus: "approved"
    reviewDate: "2026-01-15"
    policyRefs:
      - "https://example.com/policies/data-governance"
      - "vendor:retention-policy"
  provenance:
    author: "platform-team"
    createdAt: "2026-01-10T09:00:00Z"
    modifiedAt: "2026-01-15T14:30:00Z"
    originatingSystem: "contract-editor"
  documentation:
    summary: "Demonstrates metadata categories"
    examples:
      - "See customer_normalize.dtcs.yaml"
  identity:
    identifier: "metadata.example"
    name: "Metadata Example"
    version: "0.2.0"
  vendor:customNote: "preserved extension metadata"

inputs:
  - id: "source"
    metadata:
      classification: internal
      description: "Primary input dataset"
    schema:
      fields:
        - name: "id"
          type: "string"
          nullable: false

outputs:
  - id: "result"
    schema:
      fields:
        - name: "id"
          type: "string"
          nullable: false

lineage:
  mappings:
    - output: "result"
      inputs: ["source"]