Feature: Add full support for handling, indexing, and saving chat message content to the knowledge base.

backend/schemas.py

@@ -13,6 +13,7 @@ class ChatAttachment(BaseModel):
     text: Optional[str] = None
 
 class Message(BaseModel):
+    message_id: Optional[str] = None
     role: str
     content: str
     sources: Optional[List[str]] = None
@@ -35,6 +36,12 @@ class ChatResponse(BaseModel):
 class HistoryResponse(BaseModel):
     messages: List[Message]
 
+
+class SaveMessageToKnowledgeRequest(BaseModel):
+    message_id: str
+    title: Optional[str] = None
+    content: Optional[str] = None
+
 class GenerateTitleRequest(BaseModel):
     session_id: str
     message: str