fix: Use correct field name 'text' in GeneratedDescription

app/routes/recommendations.py

@@ -60,8 +60,8 @@ async def get_recommendations(req: RecommendationRequest):
                 try:
                     gen_text = await genai_service.generate_description(product)
                     generated_description = GeneratedDescription(
+                        text=gen_text,  # Fixed: 'text' not 'generated'
                         original=product.description,
-                        generated=gen_text,
                     )
                 except Exception as gen_err:
                     logger.warning(f"⚠️ Failed to generate description: {gen_err}")