- RAG & SPIN Specialist improvements

eveai_chat_workers/retrievers/retriever_typing.py

@@ -1,4 +1,4 @@
-from typing import Dict, Any
+from typing import Dict, Any, Optional
 
 from flask import current_app
 from pydantic import BaseModel, Field, model_validator
@@ -11,6 +11,7 @@ class RetrieverMetadata(BaseModel):
     document_id: int = Field(..., description="ID of the source document")
     version_id: int = Field(..., description="Version ID of the source document")
     document_name: str = Field(..., description="Name of the source document")
+    url: Optional[str] = Field(..., description="URL of the source document")
     user_metadata: Dict[str, Any] = Field(
         default_factory=dict,  # This will use an empty dict if None is provided
         description="User-defined metadata"