- Define core entities: FeedItem, FeedSubscription, SearchHistoryItem
- Document entity relationships with diagram
- Create database schema with SQLite and FTS5
- Provide type mapping guide for Swift/Kotlin/C
- Define value types vs reference types
- Document enumeration types for all platforms
- Specify serialization/deserialization requirements
- Outline indexing strategy for performance
- Include memory considerations and future extensibility
- Document technology stack (Expo, TypeScript, Zustand, SQLite)
- Map out all data models and types
- Document service dependencies and architecture
- Create component dependency diagrams
- Document data flow for feed sync and search
- Provide migration checklist with priorities
- Identify pure TypeScript vs native-dependent services
This analysis provides the foundation for migrating business logic
from Expo/TypeScript to native platforms (iOS, Android, Linux).