Send a message to a specified group by group_id via customer_service APIs. Use when user asks topoclaw to post content into a group.
$npx -y skills add madeagents/topoclaw --skill send-group-messageInstalls into the current project.
Run `npx skills use "https://github.com/madeagents/topoclaw" --skill "madeagents/topoclaw/send-group-message"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/madeagents/topoclaw" that are relevant to the current task. Run `npx skills add "https://github.com/madeagents/topoclaw"` and select the relevant skills, then follow their instructions.