Build and validate multi-model Rails forms with nested attributes.
npx skills add https://github.com/nschneble/rails-superstack --skill form-agent-nschneble
Please help me install this Agent Skill. Skill: form-agent Source: https://github.com/nschneble/rails-superstack/tree/main/.agents/skills/form-agent Command: npx skills add https://github.com/nschneble/rails-superstack --skill form-agent-nschneble
Creates form objects for complex multi-model forms with validations, type coercion, and nested attributes. Use when building search forms, wizard forms, registration forms, or when user mentions form objects or virtual models.
Create an EntityRegistrationForm with valid attributes and call save to persist the entity and its contact info.
High-intent search queries and answers about installing and using this skill.
Multi-model Rails forms are handled by encapsulating multiple models and nested attributes in a single ActiveModel form object. This pattern applies transactional persistence with cross-model validations to ensure complex data submits atomically.
Rails form objects are ActiveModel-based classes that encapsulate multi-model persistence in a single, testable form. Use them for complex forms like registrations, wizard flows, or configurable entities where attributes live across multiple models requiring cross-model validations.
Yes, building these form objects requires Ruby 3.3+ and Rails 8.1+. This environment ensures proper ActiveModel integration and transactional persistence support for handling nested structures and virtual attributes.
The best way to test Rails form objects is through a testing-first workflow using RSpec-based form specs. This validates transactional persistence and cross-model validations before integrating the form object into your application.
Yes, you can use form objects for wizard flows, search forms, and registration forms in Rails. They handle virtual fields, nested structures, and type coercion while aligning with Rails conventions like app/forms and app/validators.
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