Add Boost Guidelines & Skills (#151)

Author: pushpak1300

resources/boost/guidelines/core.blade.php

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+# Livewire Volt
+
+- Single-file Livewire components: PHP logic and Blade templates in one file.
+- Always check existing Volt components to determine functional vs class-based style.
+- IMPORTANT: Always use `search-docs` tool for version-specific Volt documentation and updated code examples.
+- IMPORTANT: Activate `volt-development` every time you're working with a Volt or single-file component-related task.

resources/boost/skills/volt-development/SKILL.blade.php

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+---
+name: volt-development
+description: "Develops single-file Livewire components with Volt. Activates when creating Volt components, converting Livewire to Volt, working with @volt directive, functional or class-based Volt APIs; or when the user mentions Volt, single-file components, functional Livewire, or inline component logic in Blade files."
+license: MIT
+metadata:
+  author: laravel
+---
+@php
+/** @var \Laravel\Boost\Install\GuidelineAssist $assist */
+@endphp
+# Volt Development
+
+## When to Apply
+
+Activate this skill when:
+
+- Creating Volt single-file components
+- Converting traditional Livewire components to Volt
+- Testing Volt components
+
+## Documentation
+
+Use `search-docs` for detailed Volt patterns and documentation.
+
+## Basic Usage
+
+Create components with `{{ $assist->artisanCommand('make:volt [name] [--test] [--pest]') }}`.
+
+Important: Check existing Volt components to determine if they use functional or class-based style before creating new ones.
+
+### Functional Components
+
+@boostsnippet("Volt Functional Component", "php")
+@@volt
+<?php
+use function Livewire\Volt\{state, computed};
+
+state(['count' => 0]);
+
+$increment = fn () => $this->count++;
+$double = computed(fn () => $this->count * 2);
+?>
+
+<div>
+    <h1>Count: @{{ $count }} (Double: @{{ $this->double }})</h1>
+    <button wire:click="increment">+</button>
+</div>
+@@endvolt
+@endboostsnippet
+
+### Class-Based Components
+
+@boostsnippet("Volt Class-based Component", "php")
+use Livewire\Volt\Component;
+
+new class extends Component {
+    public int $count = 0;
+
+    public function increment(): void
+    {
+        $this->count++;
+    }
+} ?>
+
+<div>
+    <h1>@{{ $count }}</h1>
+    <button wire:click="increment">+</button>
+</div>
+@endboostsnippet
+
+## Testing
+
+Tests go in existing Volt test directory or `tests/Feature/Volt`:
+
+@boostsnippet("Volt Test Example", "php")
+use Livewire\Volt\Volt;
+
+test('counter increments', function () {
+    Volt::test('counter')
+        ->assertSee('Count: 0')
+        ->call('increment')
+        ->assertSee('Count: 1');
+});
+@endboostsnippet
+
+## Verification
+
+1. Check existing components for functional vs class-based style
+2. Test component with `Volt::test()`
+
+## Common Pitfalls
+
+- Not checking existing style (functional vs class-based) before creating
+- Forgetting `@volt` directive wrapper
+- Missing `--test` or `--pest` flag when tests are needed