fsharp-validation

Features and purpose

Create validation logic for F# backends with error accumulation and async validation. Use when: "add validation", "validate X", "input validation", "complex validation", "business rules", "check email", "required fields", "async validation", "database uniqueness", "cross-field validation", "validation errors". Creates validators in src/Server/Validation.fs. Use for complex scenarios; basic validation patterns are in fsharp-backend skill.

Quick start

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