autothread

Add `/topic` to the start of any message and the agent creates a topic/thread from it with an auto-generated title. Telegram and Nicegram: a forum topic is created via the Bot API and the original message is quoted inside it (media is forwarded). Discord: a public thread is created from the message and the quote is posted inside. Signal has no native topics or threads, so its adapter instead posts a titled digest message to the group (or as a DM to a phone number) — no topic object is created there. All credentials are read from the local OpenClaw config; nothing is sent anywhere except the ta