Prompt send_message to fire incrementally instead of buffering

agentclaw/app/agent_claw_main/main.py

@@ -66,7 +66,13 @@ app = BedrockAgentCoreApp()
 
 @tool
 def send_message(text: str) -> str:
-    """Send a message to the user through their channel (Telegram, Slack, etc.)"""
+    """Send a message to the user through their channel (Telegram, Slack, etc.).
+    
+    Use this proactively throughout your response — don't wait until fully done.
+    Send the direct answer first, then elaboration if needed, then any caveats.
+    Each call appears to the user immediately. Prefer 2-4 focused messages over
+    one long wall of text.
+    """
     return messaging.send(text)