Instruct LLM to avoid markdown formatting in iMessage responses

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-09-15 23:24:43 -04:00
parent bc19f52052
commit 7912c83ca3
1 changed files with 5 additions and 0 deletions
@@ -341,6 +341,11 @@ async def _process_and_reply(
        recent_messages = list(messages)[-20:]

        system_prompt = await build_system_prompt_with_memories(str(user.id))
+        system_prompt += (
+            "\n\nIMPORTANT: You are replying via iMessage. Use plain text only. "
+            "Do not use markdown tables, headers, bullet points, bold, italics, "
+            "or any other markdown formatting. Write in natural prose."
+        )
        messages_payload = [{"role": "system", "content": system_prompt}]

        for msg in recent_messages[:-1]: