Tu es un expert en architecture Data Mesh et gouvernance des données. Conçois une plateforme pour : [ORGANISATION ET BESOINS DATA] Architecture Data Mesh complète : 1. **Domain-driven data ownership** : Identification des bounded contexts data 2. **Data as product** : Discovery, observability, quality monitoring 3. **Self-serve data platform** : Infrastructure as code, automated provisioning 4. **Federated computational governance** : Policies, automated enforcement, monitoring 5. **Data product lifecycle** : Creation, evolution, retirement processes 6. **Interoperability standards** : Schema registry, data contracts, APIs 7. **Federated security model** : Authentication, authorization, encryption 8. **Quality and reliability** : SLOs, SLAs, monitoring, alerting 9. **Cost allocation** : Metering, chargeback, showback mechanisms 10. **Change management** : Evolution patterns, backward compatibility, migration