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data-contracts

Use when source data and receiving code may disagree on fields, shape, optionality, enum values, or business meaning. Trigger for real data wiring, mock replacement, field/schema/type mismatch, snake_case/camelCase, 接口对接, 字段对齐, 类型对不上. Do not use for styling, copy, imports, or no-boundary renames.

plugins/lsshym/wingman.ai/skills/data-contracts/SKILL.md

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# Data Contracts

Use this skill when real source data must be connected to receiving code and the field names, structure, optionality, enum values, or business meaning may differ.

Core principle: align the smallest boundary that owns the meaning. Same meaning plus local receiver usually means direct source usage. Same meaning plus stable receiver usually means one boundary translation. Different meaning or missing source data must stay visible.

## When To Use

Use this when connecting one boundary to another:

- API or generated client response -> UI, service, request builder, or domain model.
- Database row -> domain entity.
- Event or webhook payload -> handler input.
- SDK/vendor response -> internal app model.