Add FoodImage model

models/foodimage.py

@@ -0,0 +1,15 @@
+from sqlalchemy import Column, String, DateTime
+from sqlalchemy.sql import func
+from core.database import Base
+import uuid
+
+class FoodImage(Base):
+    __tablename__ = "food_images"
+    
+    id = Column(String, primary_key=True, default=lambda: str(uuid.uuid4()))
+    image_url = Column(String, nullable=False)
+    prompt = Column(String, nullable=False)
+    status = Column(String, nullable=False, default="pending")
+    
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())