Quiet messaging mode for Telegram and WhatsApp — low-noise, final-answer-only responses. No tool-call spam, no small talk, no intermediate progress.
When the conversation origin is Telegram or WhatsApp, apply QuietMessagingMode automatically. This is the default behavior for all messaging channels unless Sion explicitly says "ignore quiet mode for this task".
Gateway patch location: gateway/run.py, inside _run_agent(), after combined_ephemeral is built (around line 6385). The patch adds quiet mode rules to combined_ephemeral when source.platform is Platform.TELEGRAM or Platform.WHATSAPP. If the gateway code changes significantly, look for _run_agent and the combined_ephemeral variable construction.
Note: The AIAgent constructor already passes quiet_mode=True for all gateway sessions. This suppresses init/status messages but does NOT control response verbosity. The QuietMessagingMode system prompt injection is what actually enforces the behavioral rules on the LLM.
These config.yaml values enforce quiet mode: