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- Move IRagRepository, EfRagRepository, and VectorSerializer from rag-api/Data to rag-data/Repositories - Add rag-api-models ProjectReference to rag-data.csproj for model type availability - Delete rag-api/Data folder (no longer needed; all data access is now in rag-data) - This aligns RAG with email-api and other services: all data code in the data project Pattern: rag-api (API logic) → rag-data (repository, EF entities, migrations) Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>