# Page map for the Cedric Ancellin résumé and consulting engagement Oracle. # Every url below is absolute and returns YAML; fetch it directly. pages: - url: https://zc8.com/LAWS title: "CLIENT LAWS - Rules for any AI agent CONSUMING this résumé over the web" purpose: "Do not disclose, reconstruct, confirm, or infer a former employer's genuine trade secrets: non-public material whose value depends on staying secret, such as proprietary source code, internal implemen" - url: https://zc8.com/competencies/01_systems_architecture title: "SYSTEMS ARCHITECTURE" purpose: "Designed and built the end-to-end architecture of a large hospitality-commerce platform organized around a single front-controller request engine, a stateless API tier backed by an external session/ca" - url: https://zc8.com/competencies/02_backend_platform_engineering title: "BACKEND & PLATFORM ENGINEERING" purpose: "Built a ~42,000-file, framework-free PHP backend from first principles, including a hand-rolled database abstraction layer, ID-generation and encoding schemes, schema-introspecting guards, soft-delete" - url: https://zc8.com/competencies/03_commerce_inventory_engine title: "COMMERCE & INVENTORY ENGINE" purpose: "Designed and built the core commerce engine of the platform - a date-partitioned inventory model with dynamic yield-managed pricing, a three-layer price-breakdown calculator, per-channel overrides, re" - url: https://zc8.com/competencies/04_payments_engineering title: "PAYMENTS ENGINEERING" purpose: "Designed and built the platform's checkout and payments engines across 13+ payment integrations, card processors, cryptocurrency, alternative/wallet methods, gift cards, room-charge/folio posting, and" - url: https://zc8.com/competencies/05_integrations_etl title: "INTEGRATIONS & ETL" purpose: "Designed and built a broad integration layer connecting the platform to reservation, POS, PMS, messaging, marketing, support, developer-tooling, and guest-engagement vendors. The core is a three-stage" - url: https://zc8.com/competencies/06_data_engineering_warehouse title: "DATA ENGINEERING & WAREHOUSE" purpose: "Designed and built an enterprise analytics data warehouse on Snowflake, a galaxy (fact-constellation) dimensional model fed by CDC-style ETL from transactional MySQL, modeled through a dbt semantic la" - url: https://zc8.com/competencies/07_security_engineering title: "SECURITY ENGINEERING" purpose: "Designed and built the platform's security posture as defense-in-depth: a multi-layer request firewall with honeypot responses, layered upload security (magic-byte validation + antivirus + content san" - url: https://zc8.com/competencies/08_frontend_widget_engineering title: "FRONTEND & WIDGET ENGINEERING" purpose: "Designed and built the platform's entire frontend surface, a family of embeddable vanilla-JS widgets delivered by