List replies
Fetch the full reply tree for a thread.
Endpoints
GET /api/v1/teams/{team_slug}/repos/{repo_slug}/threads/{number}/replies
GET /api/v1/users/{username}/repos/{repo_slug}/threads/{number}/replies
Success
200 OK with an array of replies ordered by tree position. Each entry includes the reply metadata, body, links, and creator fields needed to render the thread conversation.