The xiaozhi server injects tool_call reminders and system prompts as
role=user messages into dialogue. These were being picked up as the
"last user message" and sent to Antaf bridge instead of the actual query.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Ant Afu returns internal reasoning/thinking process mixed with actual
response text, causing TTS to read out internal monologue. Also fixes
duplicate text chunks being sent repeatedly.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>