Add sender_name to conversation messages for group chat support

- Add sender_name column to conversation_messages table
- Migrate existing messages to set sender_name='bensima'
- Show sender names in conversation context (e.g., 'bensima: hello')
- Pass userName when saving user messages in Telegram bot

1 files changed, 2 insertions, 2 deletions

diff --git a/Omni/Agent/Telegram.hs b/Omni/Agent/Telegram.hs
index b28405e..9142b4a 100644
--- a/Omni/Agent/Telegram.hs
+++ b/Omni/Agent/Telegram.hs
@@ -659,7 +659,7 @@ handleAuthorizedMessage tgConfig provider engineCfg msg uid userName chatId = do
            in prefix <> pdfText
         Nothing -> tmText msg
 
-  _ <- Memory.saveMessage uid chatId Memory.UserRole userMessage
+  _ <- Memory.saveMessage uid chatId Memory.UserRole (Just userName) userMessage
 
   (conversationContext, contextTokens) <- Memory.getConversationContext uid chatId maxConversationTokens
   putText <| "Conversation context: " <> tshow contextTokens <> " tokens"
@@ -725,7 +725,7 @@ handleAuthorizedMessage tgConfig provider engineCfg msg uid userName chatId = do
       let response = Engine.resultFinalMessage agentResult
       putText <| "Response text: " <> Text.take 200 response
 
-      _ <- Memory.saveMessage uid chatId Memory.AssistantRole response
+      _ <- Memory.saveMessage uid chatId Memory.AssistantRole Nothing response
 
       if Text.null response
         then do