Data Product Changelog Generator is a versioned Zentra Foundry digital download. Data Product Changelog Generator packages CLI + doc generator into a buyer-ready Zentra product with source evidence, schemas, sample outputs, QA gates, pricing, forecasts, and pubWhat you receive An executable offline Node.js CLI, buyer-operated localhost API, OpenAPI contract, product-specific runtime, schemas, fixtures, automated test, implementation guide, and smoke-test checklist. One immutable ZIP with the product artifacts available for this edition. A buyer-readable README, sample records, JSON Schema, and Product Output Contract. Source/provenance, quality, health, smoke, licence, changelog, rollback, and SHA-256 checksum evidence. Edition: 1.0.0Product route: developer_toolsDelivery: immediate Gumroad download after a successful one-time purchase. No Zentra subscription or customer API account is required.Important limitationsDeveloper-tool setup: This is a self-hosted developer kit, not a hosted Zentra API. Run it locally or in buyer-owned infrastructure; authentication, TLS, deployment, optional third-party connections, source rights, and security review remain the buyer’s responsibility.Samples and schemas document the delivered format. Source-backed editions are bounded by their recorded capture and source terms; synthetic benchmark rows are explicitly labelled. The product does not guarantee business, legal, compliance, security, procurement, or model outcomes.Support: https://zentrafoundry.com/contact/Terms: https://zentrafoundry.com/terms/Refunds: Gumroad displays and processes the applicable 14-day policy at checkout. Statutory rights remain unaffected.