# Project Docs AGENTS

This page is a project-docs landing note only.
The authoritative agent entry is the repository root `AGENTS.md`.

## What belongs here

- Docs-system notes
- Project documentation summaries
- Short commands and maintenance reminders

## What does not belong here

- Canonical policy overrides
- Alternate numbering rules
- `clockwise` / `anticlockwise` controls

## Stable rule reminder

- `1 = 内酯羰基碳`
- `2 = 相邻酯氧`
- `3..N = 从 2 位出发沿环唯一图遍历顺序继续编号`
- 16 元环镜像映射固定为 `p_mirror = ring_size - p + 3`