feat(chat): improve log message display

backend/src/agent.py

@@ -131,6 +131,24 @@ class Agent:
                 chat_id=message.chat_id,
                 thread_id=message.thread_id,
                 content=stream,
+                kind="log",
+                subkind="reasoning",
+            )
+            run.emit_event('chat-message', {
+                'messageId': new_message['id'],
+                'chatId': message.chat_id,
+                'threadId': message.thread_id,
+            })
+
+        async def on_toolcall_event(stream):
+            print("[agent] run output " + repr(stream))
+            new_message = await self.app.send_chat_message(
+                sender=self.id,
+                chat_id=message.chat_id,
+                thread_id=message.thread_id,
+                content=stream,
+                kind="log",
+                subkind="reasoning",
             )
             run.emit_event('chat-message', {
                 'messageId': new_message['id'],
@@ -139,6 +157,8 @@ class Agent:
             })
 
         await run.on_async('reasoning', on_reasoning_event)
+        await run.on_async('output', on_output_event)
+        await run.on_async('tool-call', on_toolcall_event)
 
         await self.run(run)
         return run