Datenarchitektur LLM KI Data Lakehouse Governance Datenplattform Datenmodellierung Microsoft Fabric Data Catalog Kontext Semantic Model Data Governance Metadaten dbt Databricks Semantic Layer Data Warehouse Power BI DevOps Self Service BI FP&A Open Lakehouse Deployment Pipelines CI/CD AI Readiness Business Intelligence AI Agents Knowledge Engineering Data Contracts Git Variable Libraries Release Management Fachlogik Schichtenmodell Headless Semantic Layer Ontology SSIS Migration Cube Refactoring Mosaic Microstrategy Lift & Shift Replatforming Data Warehousing Migration