feat(dev): Add php-forge/coding-standard to development dependencies for code quality checks.

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Pull Request

Q	A
Is bugfix?	❌
New feature?	✔️
Breaks BC?	❌

Summary by CodeRabbit

• Documentation

  • Updated project description to "UI Awesome HTML Attribute Library for PHP"
  • Refined keywords for discoverability
  • Normalized PHPDoc type annotations across attribute classes for clearer docs and IDE/static-analysis hints

• Chores

  • Added a coding-standards tool to development dependencies
  • Simplified and consolidated development/configuration setup for a leaner workflow

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📝 Walkthrough

Walkthrough

This PR updates developer tooling configs (composer, ECS, Rector), adds a changelog entry, and revises many trait docblocks to import UnitEnum and remove leading backslashes in @method union types; no runtime API signatures were changed.

Changes

Cohort / File(s)	Summary
Changelog & Metadata CHANGELOG.md, composer.json, docs/development.md	Added v0.5.2 changelog entry; updated package description/keywords; replaced prior ECS/Rector tooling entries with php-forge/coding-standard in dev deps; removed docs references to ecs.php and rector.php.
Tooling Configs ecs.php, rector.php	Simplified/externally-sourced configurations: ECS and Rector moved from detailed inline setups to importing external config builders; retained path specifications but removed inline sets/rules and parallel setup.
Element Traits src/Element/* src/Element/HasAlt.php, src/Element/HasDecoding.php, src/Element/HasHeight.php, src/Element/HasHref.php, src/Element/HasReferrerpolicy.php, src/Element/HasSrc.php, src/Element/HasWidth.php	Added use UnitEnum; where needed and updated @method docblock parameter types from `string
Global Attribute Traits src/Global/* src/Global/CanBeAutofocus.php, src/Global/CanBeHidden.php, src/Global/HasAccesskey.php, src/Global/HasContentEditable.php, src/Global/HasDir.php, src/Global/HasDraggable.php, src/Global/HasId.php, src/Global/HasLang.php, src/Global/HasMicroData.php, src/Global/HasRole.php, src/Global/HasSpellcheck.php, src/Global/HasStyle.php, src/Global/HasTabindex.php, src/Global/HasTitle.php, src/Global/HasTranslate.php	Added use UnitEnum; in select files and normalized @method docblock types to `string
Root-Level Traits src/HasCrossorigin.php, src/HasFetchpriority.php, src/HasRel.php	Normalized @method docblock types from `string

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Possibly related PRs

• feat(attribute): Move attribute traits from ui-awesome/html-core package and update related imports accordingly. #18 — Overlapping changes to trait files introducing UnitEnum imports and updating @method annotations.
• fix(docs): Update documentation traits and enums for clarity and consistency. #24 — Similar docblock/type-annotation edits across many of the same src/* files.
• feat(docs): Add development guide and sync metadata instructions and update testing documentation. #17 — Related refactor of ECS/Rector configs toward externalized/imported configurations.

Poem

🐰 Configs trimmed, the docblocks sing,
I hopped through files to fix each thing.
UnitEnum tucked in nice and neat,
Backslashes gone—what a treat!
A little hop for code, a cheerful beat. 🥕

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: adding php-forge/coding-standard to development dependencies for code quality checks, which is reflected throughout the changeset.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

• 📝 Generate docstrings

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Actionable comments posted: 1

🤖 Fix all issues with AI agents

In `@src/Element/HasReferrerpolicy.php`:
- Line 25: The PHPDoc `@method` annotation for addAttribute mistakenly wraps the
union type in parentheses (`(string|UnitEnum) $key`); update the annotation to
use the correct union syntax without parentheses—change the parameter type to
`string|UnitEnum $key` in the `@method` line for addAttribute so
phpDocumentor/PSR-5 tooling parses it correctly.

♻️ Duplicate comments (4)

src/HasCrossorigin.php (1)

25-25: Consistent with PR-wide docblock update.

Same parenthesized union type pattern as other files. Verification requested in HasReferrerpolicy.php review comment applies here.

src/Global/HasStyle.php (1)

24-24: Consistent with PR-wide docblock update.

Same parenthesized union type pattern. Verification requested in HasReferrerpolicy.php applies here.

src/HasFetchpriority.php (1)

26-26: Consistent with PR-wide docblock update.

Same parenthesized union type pattern. Verification requested in HasReferrerpolicy.php applies here.

src/Element/HasHeight.php (1)

23-23: Consistent with PR-wide docblock update.

Same parenthesized union type pattern. Verification requested in HasReferrerpolicy.php applies here.

🧹 Nitpick comments (2)

src/Global/HasTabindex.php (1)

11-11: Potentially unused import.

The UnitEnum import is added but the tabIndex() method signature (line 55) only accepts int|string|null, not UnitEnum. The import appears to exist solely for the @method docblock annotation documenting the addAttribute method from a different trait.

While this is valid PHP and documents the dependency correctly, static analysis tools may flag it as unused depending on configuration.

src/Element/HasHref.php (1)

23-23: Unnecessary parentheses in PHPDoc union type.

The parentheses around string|UnitEnum are redundant. While parentheses are valid in PHPDoc for disambiguation (e.g., (Foo|Bar)[] to denote an array of unions), they're unnecessary here since there are no complex type modifiers. Removing them would align with typical PHPDoc style.

📝 Suggested fix

- * `@method` static addAttribute((string|UnitEnum) $key, mixed $value) Adds an attribute and returns a new instance.
+ * `@method` static addAttribute(string|UnitEnum $key, mixed $value) Adds an attribute and returns a new instance.

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