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backend/app/models/__init__.py

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+"""SQLAlchemy models - export Base and all models for create_all."""
+
+from app.models.database import Base, get_db, init_db, engine, async_session_maker
+from app.models.case import Case
+from app.models.screenshot import Screenshot
+from app.models.transaction import Transaction
+
+__all__ = ["Base", "Case", "Screenshot", "Transaction", "get_db", "init_db", "engine", "async_session_maker"]