preserving cohere response citations

 - this gets cohere specific response field that includes citations for the response text

Author: jason-raitz

willa/chatbot/graph_manager.py

@@ -23,6 +23,7 @@ class WillaChatbotState(TypedDict):
     search_query: NotRequired[str]
     tind_metadata: NotRequired[str]
     documents: NotRequired[list[Any]]
+    citations: NotRequired[list[dict[str, Any]]]
     context: NotRequired[dict[str, Any]]