principle-migrate-callers-then-delete-legacy-apis

backnotprop/pstack/principle-migrate-callers-then-delete-legacy-apis

Apply when introducing a new internal API while old callers still exist. Migrate callers and delete the old API in the same wave instead of preserving compatibility layers.

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Installation

npx skills add https://github.com/backnotprop/pstack --skill principle-migrate-callers-then-delete-legacy-apis

技能文件

SKILL.md

最近同步 · 2026年10月20日

SKILL.md›

---
name: principle-migrate-callers-then-delete-legacy-apis
description: "Apply when introducing a new internal API while old callers still exist. Migrate callers and delete the old API in the same wave instead of preserving compatibility layers."
disable-model-invocation: true
---

# Migrate Callers Then Delete Legacy APIs

- Update tests to assert the new contract, and delete tests that only protect pre-refactor implementation details

**When this applies:**
- No external users depend on backward compatibility
- The project can absorb coordinated breaking changes
- The new API is part of a simplification or refactor initiative