models/mod.rs - Data Model Registry and Type Definitions

Requirements and Dataflow

• Provides centralized registry for all data model types and structures
• Organizes domain models by functional area (users, sessions, experiments, etc.)
• Enables consistent data serialization and API response formatting
• Supports type safety and validation across the application layer

Key Abstractions and Interfaces

• Domain model organization by functional boundaries
• Consistent serialization patterns for API responses
• Type definitions for database entities and API contracts
• Validation and transformation utilities for data models