Remove send_message @tool def: was causing session-history duplicates

agentclaw/app/agent_claw_main/main.py

@@ -64,11 +64,7 @@ app = BedrockAgentCoreApp()
 
 # ── Tool definitions ──────────────────────────────────────────────────────
 
-@tool
-def send_message(text: str) -> str:
-    """Send a message to the user. Use multiple calls to send incrementally - send the direct answer first, then elaboration. Each call delivers immediately to the user."""
-    return messaging.send(text)
-
+# NOTE: send_message tool removed — delivery handled by agent-runner streaming consumer
 
 @tool
 def web_search(query: str) -> str: