Automatically detect model list

src/api/models/bedrock.py

@@ -38,7 +38,7 @@ from api.schema import (
     Embedding,
 
 )
-from api.setting import DEBUG, AWS_REGION, ENABLE_CROSS_REGION_INFERENCE
+from api.setting import DEBUG, AWS_REGION, ENABLE_CROSS_REGION_INFERENCE, DEFAULT_MODEL
 
 logger = logging.getLogger(__name__)
 
@@ -126,6 +126,12 @@ def list_bedrock_models() -> dict:
     except Exception as e:
         logger.error(f"Unable to list models: {str(e)}")
 
+    if not model_list:
+        # In case stack not updated.
+        model_list[DEFAULT_MODEL] = {
+            'modalities': ["TEXT", "IMAGE"]
+        }
+
     return model_list