fix: new reranker2

app/core/config.py

@@ -26,7 +26,7 @@ class Settings(BaseSettings):
     S3_RERANKER_URL: Optional[str] = None
     
     RERANKER_MODEL_PATH: str = "data/best_expert_judge_cross_encoder.pt" # Or the exact name of your saved .pt file
-    RERANKER_MODEL_NAME: str = "bert-base-uncased" # The base model used in your training script
+    RERANKER_MODEL_NAME: str = "BAAI/bge-reranker-base" # The base model used in your training script
     RERANKER_SCORE_THRESHOLD: float = 0.3
 
     SEQUENCE_EXPANSION_THRESHOLD: float =0.68