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

Helps developers clean up old code faster by switching everything to the new version at once instead of keeping both.

Installation

Run `npx skills add "https://github.com/backnotprop/pstack" --skill "principle-migrate-callers-then-delete-legacy-apis"` to install this skill, then follow its SKILL.md instructions for my next request.

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SKILL.mdShow the author's original 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

Mirrored from the author's public source. Install counts from the open skills registry.