fix: update default Hugging Face generate model ID to `NLP-Debater-Project/kpa-t5-improved`

config.py

@@ -18,7 +18,7 @@ PROJECT_ROOT = API_DIR.parent
 HUGGINGFACE_API_KEY = os.getenv("HUGGINGFACE_API_KEY", "")
 HUGGINGFACE_STANCE_MODEL_ID = os.getenv("HUGGINGFACE_STANCE_MODEL_ID")
 HUGGINGFACE_LABEL_MODEL_ID = os.getenv("HUGGINGFACE_LABEL_MODEL_ID")
-HUGGINGFACE_GENERATE_MODEL_ID = os.getenv("HUGGINGFACE_GENERATE_MODEL_ID", "YOUR_ORG/kpa-t5-improved")
+HUGGINGFACE_GENERATE_MODEL_ID = os.getenv("HUGGINGFACE_GENERATE_MODEL_ID", "NLP-Debater-Project/kpa-t5-improved")
 
 # Use Hugging Face model ID instead of local path
 STANCE_MODEL_ID = HUGGINGFACE_STANCE_MODEL_ID