form-object-patterns

Creates form objects for complex form handling with TDD. Use when building multi-model forms, search forms, wizard forms, or when user mentions form objects, complex forms, virtual models, or non-persisted forms.

Install with Tessl CLI

npx tessl i github:ThibautBaissac/rails_ai_agents --skill form-object-patterns

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Review — 88%

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Learn more

Evaluation — 100%

Agent success when using this skill

Validation — 9 / 11 Passed

Validation for skill structure

SKILL.md

Review

Evals

Evaluation results

100%

22%

SaaS Onboarding: Multi-Model Registration Form

Multi-model TDD form object

Criteria

Without context

With context

TDD process documented

100%

Correct file locations

100%

ApplicationForm includes ActiveModel::Model

100%

ApplicationForm includes ActiveModel::Attributes

100%

ApplicationForm model_name strips Form suffix

100%

ApplicationForm persisted? returns false

100%

ApplicationForm save rescues RecordInvalid

100%

Typed attribute declarations

100%

Transaction in persist!

100%

attr_reader for created records

100%

Controller render on failure

100%

Strong params with require

100%

View uses form_with model

100%

Spec tests association

100%

Without context: $0.3794 · 1m 44s · 13 turns · 62 in / 7,262 out tokens

With context: $0.8431 · 2m 32s · 29 turns · 78 in / 9,586 out tokens

100%

Product Catalogue Search and Filter

Search form object pattern

Criteria

Without context

With context

Correct file location

100%

Typed attribute declarations

100%

results method present

100%

Scope to account/tenant

100%

any_filters? method

100%

sanitize_like for text search

100%

Spec scoping test

100%

Spec any_filters? tested

100%

View uses form_with GET

100%

View Clear link conditional

100%

View uses form_with model

100%

Without context: $0.3710 · 1m 39s · 15 turns · 15 in / 6,246 out tokens

With context: $0.8014 · 2m 10s · 28 turns · 283 in / 8,727 out tokens

100%

48%

Job Application Wizard

Wizard multi-step form object

Criteria

Without context

With context

Wizard namespace location

100%

Wizard::BaseForm extends ApplicationForm

100%

self.steps raises NotImplementedError

100%

next_step navigation

50%

100%

previous_step navigation

62%

100%

first_step? and last_step?

87%

100%

progress_percentage formula

20%

100%

Step self.steps defined

100%

Step current_step defined

100%

Step attribute types

100%

Spec tests progress_percentage

50%

100%

Spec tests navigation helpers

90%

100%

wizard_data attribute

100%

Without context: $0.4531 · 2m 3s · 15 turns · 16 in / 8,219 out tokens

With context: $0.6496 · 2m 2s · 24 turns · 326 in / 7,521 out tokens

Evaluated: about 5 hours ago
Agent: Claude Code

Table of Contents

SaaS Onboarding: Multi-Model Registration Form Product Catalogue Search and Filter Job Application Wizard

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