Mustache-driven render engine + verify for the template.* metatype (FR-004).

Base code generation framework for MetaObjects

MetaObjects for Model-driven development - ObjectManager

Spring Web MVC codegen target — emits @RestController per entity + DTO records + Repository interface (FR-008 §2.1). Targets Spring Boot 3.x / Java 21.

Kotlin codegen target — emits @Serializable data classes, Exposed Tables, FR-004 payload classes, and a startup-validator stub via KotlinPoet.

Idiomatic Kotlin facade over the Java metadata loader + FR-004 template + render engine.