New attachments recognized by GC (microsoft#277)

- Allows GC to recognize new attachments via user message.
- GC already setup to set user decision to update_outline as a result.
- Immediately moves on to updating outline with new attachment content.

Author: momuno

assistants/prospector-assistant/assistant/agents/document/gc_draft_outline_feedback_config.py

@@ -65,7 +65,7 @@ class ArtifactModel(BaseModel):
 a. At any time, if the user asks for a change to the outline, the conversation_status must be
 marked as user_completed. The user_decision must be marked as update_outline. The final_response
 must inform the user that a new outline is being generated based off the request.
-b. At any time, if the user has provided new attachments (detected via the filenames in the artifact),
+b. At any time, if the user has provided new attachments (detected via `Newly attached files:` in the user message),
 the conversation_status must be marked as user_completed. The user_decision must be marked as
 update_outline. The final_response must inform the user that a new outline is being generated based
 on the addition of new attachments.

assistants/prospector-assistant/assistant/agents/document_agent.py

@@ -941,6 +941,13 @@ async def _gc_outline_feedback(
                 user_message = None
             else:
                 user_message = message.content
+
+                # if any files attached with message, include in user_message for GC knowledge:
+                if len(message.filenames) != 0:
+                    user_message = user_message + " Newly attached files: "
+                    filenames = ", ".join(message.filenames)
+                    user_message = user_message + filenames
+
             response_message, conversation_status, next_step_name = await guided_conversation.step_conversation(
                 last_user_message=user_message,
             )