---
title: "Reply scope defaults to thread-first"
version: "zh"
---

> Documentation Index
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# Reply scope defaults to thread-first

> Status: amended by ADR-0011

# Reply scope defaults to thread-first

By default a Bot answers inside a new Thread, falling back to root only when the model switches scope with the reply-scope tool or the operator changes the default. Threads keep busy group chats readable; the per-answer tool covers the cases where a direct reply is clearly better.

## Considered Options

- **Root-first** — rejected: replies from long tasks flood the group.
- **Always model-chosen, no default** — rejected: inconsistent behavior and no configurable policy.

Source: https://botharness.ai/zh/dev/adr/0009-reply-scope-defaults-to-thread-first/index.mdx