from pydantic import BaseModel, Field class JobListing(BaseModel): title: str | None = Field(None, description="Job title") company: str | None = Field(None, description="Company name") location: str | None = Field(None, description="Location") description: str | None = Field(None, description="Job description") salary: int | None = Field(None, description="Salary") business_id: str | None = Field(None, description="Business ID") url: str | None = Field(None, description="Job URL") apply_url: str | None = Field(None, description="Apply URL")