Home / dev-toolings / superpowers-symfony · content/skills/form-types-validation/SKILL.md · GitHub

form-types-validation skillA

Name: form-types-validation
Author: dev-toolings

form-types-validation is agent-read markdown (skill) from dev-toolings/superpowers-symfony: Build Symfony forms with custom Form Types, validation constraints, HTTP 422 handling, and multi-step flows.

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

What the file says

# Form Types Validation (Symfony)

## Use when
- Hardening access-control or validation boundaries.
- Aligning voters/security expressions with domain rules.

## Default workflow
1. Map actor/resource/action decision matrix.
2. Implement voter/constraint logic at the right boundary.
3. Wire checks at controllers and API operations.
4. Test allowed/forbidden/invalid paths comprehensively.

## Guardrails
- Avoid policy logic duplication across layers.
- Do not leak privileged state via error detail.
- Preserve explicit deny behavior for sensitive actions.

## Progressive disclosure
- Use this file for execution posture and risk controls.
- Open references when deep implementation details are needed.

## Output contract
- Security boundary updates.
- Integration points enforcing decisions.
- Negative-path test results.

## References
- `reference.md`
- `docs/complexity-tiers.md`

Read the whole file at its exact version.

How to install

Latest version

mdr add dev-toolings/superpowers-symfony/form-types-validation@git:20260917.3d83f4c

Exact content

mdr add dev-toolings/superpowers-symfony/form-types-validation@sha256:2541006508668231

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

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Versions

version	committed	commit	size	audit
git:20260917.3d83f4c latest	2026-09-17	3d83f4c	1,231 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Deterministic, no model, same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (1231 bytes)
pass: No zero-width or bidi control characters
pass: No instruction hidden inside an HTML comment
pass: No link to an exfiltration or paste host
pass: No credential-shaped string
pass: No instruction to send local credentials anywhere
pass: No text hidden with inline styles
pass: No prompt-injection phrasing
pass: No curl or wget piped into a shell
pass: No recursive delete of root, home or parent
pass: No instruction to read or print local credentials
pass: No base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag

Source

GitHub

dev-toolings/superpowers-symfony · 216 stars · license MIT · pushed 2026-09-17 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_on5npbwfnbmaw64l
GET https://markdownregistry.com/api/v1/resolve?ref=dev-toolings/superpowers-symfony/form-types-validation
GET https://markdownregistry.com/api/v1/blob/2541006508668231b78bdcac685c376972821c5cb972b316e06a8ed4d8e7525b

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