Adding OData Import

app/models/imported_part_config.py

@@ -0,0 +1,15 @@
+from sqlalchemy import String
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.core.database import Base
+
+
+class ImportedPartConfig(Base):
+    """Singleton (id=1) storing the OData source URL and credentials."""
+
+    __tablename__ = "imported_part_config"
+
+    id: Mapped[int] = mapped_column(primary_key=True, default=1)
+    odata_url: Mapped[str | None] = mapped_column(String, nullable=True, default=None)
+    username: Mapped[str | None] = mapped_column(String, nullable=True, default=None)
+    password: Mapped[str | None] = mapped_column(String, nullable=True, default=None)