Solutionunvalidated
Use a Pydantic `field_validator` (e.g., `@field_validator('categories')`) to transform the incoming list of Category objects into a list of strings by returning `[item.name for item in value]`.
b60f03e7-3feb-4468-a3c5-6f7df18fa2c1
Use a Pydantic field_validator (e.g., @field_validator('categories')) to transform the incoming list of Category objects into a list of strings by returning [item.name for item in value].