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Vol. 01 ● Issue 04 ● April 2026
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fp-either-ref

Quick reference for Either type. Use when user needs error handling, validation, or operations that can fail with typed errors.

The full SKILL.md could not be loaded right now. You can still install it from the upstream repo.

— Field Manual

The 1,441 skills, demystified in one PDF.

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Long-form deep dives where this skill is referenced or applied. Skim the article, then come back here to install.