- Entity API Deep Dive: Content Entities vs. Config Entities. When to create a custom entity type vs. using Nodes.
- Field API & Typed Data: Understanding how data is stored and validated at the code level.
- Relationships & Scalability: Designing for 100,000+ records. Performance implications of complex Entity References.
- Migration Strategy: Introduction to the Migrate API—mapping legacy data sources (CSV/SQL) into your new Entity structures.