> **Languages:** [中文](../../dev/README.md) · English

# dev/ · Development and coding conventions

| Document | Contents |
|---|---|
| [Coding and testing conventions](coding-testing.md) | Build / why Python tests must use `-m` / full UTF-8 and the ★ entry-point self-guarantee / id contract v2 / Linux dual-stack verification |
| [Switch matrix](switch-matrix.md) | Retrieval and normalization env switches, defaults, adjudication history, and integration notes |

> Domain rules are in the [docs/ directory index](../README.md).