diff --git a/chat.proto b/chat.proto
index fc5ba00..79d2ce5 100644
--- a/chat.proto
+++ b/chat.proto
@@ -34,7 +34,9 @@ message Chat {
         google.protobuf.Timestamp   ctime             = 2;
         string                      content           = 3;
         Table                       table             = 4;
-        repeated ToolCall           toolcalls         = 5;
+        repeated ToolCall           ToolCalls         = 5;
+        string                      ContentFile       = 6;  // `autogenpb:unique` `autogenpb:sort`
+        string                      uuid              = 7;  // `autogenpb:unique` `autogenpb:sort`
 }
 
 message Chats {                                             // `autogenpb:marshal` `autogenpb:mutex`