diff --git a/.ai/foundation.blade.php b/.ai/foundation.blade.php
index 8dbc49b..82fcf5d 100644
--- a/.ai/foundation.blade.php
+++ b/.ai/foundation.blade.php
@@ -27,7 +27,7 @@
 - Do not change the application's dependencies without approval.
 
 ## Frontend Bundling
-- If the user doesn't see a frontend change reflected in the UI, it could mean they need to run `npm run build`, `npm run dev`, or `composer run dev`. Ask them.
+- If the user doesn't see a frontend change reflected in the UI, it could mean they need to run `{{ $assist->nodePackageManager() }} run build`, `{{ $assist->nodePackageManager() }} run dev`, or `composer run dev`. Ask them.
 
 ## Replies
 - Be concise in your explanations - focus on what's important rather than explaining obvious details.
diff --git a/.ai/laravel/core.blade.php b/.ai/laravel/core.blade.php
index 6c27ba6..de91549 100644
--- a/.ai/laravel/core.blade.php
+++ b/.ai/laravel/core.blade.php
@@ -39,4 +39,4 @@
 - When creating tests, make use of `php artisan make:test [options] <name>` to create a feature test, and pass `--unit` to create a unit test. Most tests should be feature tests.
 
 ### Vite Error
-- If you receive an "Illuminate\Foundation\ViteException: Unable to locate file in Vite manifest" error, you can run `npm run build` or ask the user to run `npm run dev` or `composer run dev`.
+- If you receive an "Illuminate\Foundation\ViteException: Unable to locate file in Vite manifest" error, you can run `{{ $assist->nodePackageManager() }} run build` or ask the user to run `{{ $assist->nodePackageManager() }} run dev` or `composer run dev`.
diff --git a/src/Install/GuidelineAssist.php b/src/Install/GuidelineAssist.php
index ce7b597..c9b88e5 100644
--- a/src/Install/GuidelineAssist.php
+++ b/src/Install/GuidelineAssist.php
@@ -19,11 +19,20 @@ class GuidelineAssist
 
     protected static array $classes = [];
 
+    protected string $nodePackageManager = 'npm';
+
     public function __construct()
     {
         $this->modelPaths = $this->discover(fn ($reflection) => ($reflection->isSubclassOf(Model::class) && ! $reflection->isAbstract()));
         $this->controllerPaths = $this->discover(fn (ReflectionClass $reflection) => (stripos($reflection->getName(), 'controller') !== false || stripos($reflection->getNamespaceName(), 'controller') !== false));
         $this->enumPaths = $this->discover(fn ($reflection) => $reflection->isEnum());
+        $this->nodePackageManager = match (true) {
+            file_exists(base_path('package-lock.json')) => 'npm',
+            file_exists(base_path('pnpm-lock.yaml')) => 'pnpm',
+            file_exists(base_path('yarn.lock')) => 'yarn',
+            file_exists(base_path('bun.lockb')) => 'bun',
+            default => 'npm',
+        };
     }
 
     /**
@@ -156,4 +165,9 @@ public function enumContents(): string
 
         return file_get_contents(current($this->enumPaths));
     }
+
+    public function nodePackageManager(): string
+    {
+        return $this->nodePackageManager;
+    }
 }
diff --git a/tests/Feature/Install/GuidelineAssistTest.php b/tests/Feature/Install/GuidelineAssistTest.php
new file mode 100644
index 0000000..52cd618
--- /dev/null
+++ b/tests/Feature/Install/GuidelineAssistTest.php
@@ -0,0 +1,68 @@
+<?php
+
+declare(strict_types=1);
+
+use Laravel\Boost\Install\GuidelineAssist;
+
+beforeEach(function () {
+    $lockFiles = [
+        base_path('package-lock.json'),
+        base_path('pnpm-lock.yaml'),
+        base_path('yarn.lock'),
+        base_path('bun.lockb'),
+    ];
+
+    foreach ($lockFiles as $file) {
+        if (file_exists($file)) {
+            unlink($file);
+        }
+    }
+});
+
+afterEach(function () {
+    $lockFiles = [
+        base_path('package-lock.json'),
+        base_path('pnpm-lock.yaml'),
+        base_path('yarn.lock'),
+        base_path('bun.lockb'),
+    ];
+
+    foreach ($lockFiles as $file) {
+        if (file_exists($file)) {
+            unlink($file);
+        }
+    }
+});
+
+test('it detects npm when package-lock.json exists', function () {
+    file_put_contents(base_path('package-lock.json'), '{}');
+
+    $assist = new GuidelineAssist();
+    expect($assist->nodePackageManager())->toBe('npm');
+});
+
+test('it detects pnpm when pnpm-lock.yaml exists', function () {
+    file_put_contents(base_path('pnpm-lock.yaml'), 'lockfileVersion: 6.0');
+
+    $assist = new GuidelineAssist();
+    expect($assist->nodePackageManager())->toBe('pnpm');
+});
+
+test('it detects yarn when yarn.lock exists', function () {
+    file_put_contents(base_path('yarn.lock'), '# This is yarn lock file');
+
+    $assist = new GuidelineAssist();
+    expect($assist->nodePackageManager())->toBe('yarn');
+});
+
+test('it detects bun when bun.lockb exists', function () {
+    file_put_contents(base_path('bun.lockb'), 'bun binary lock file');
+
+    $assist = new GuidelineAssist();
+    expect($assist->nodePackageManager())->toBe('bun');
+});
+
+test('it defaults to npm when no lock files exist', function () {
+    $assist = new GuidelineAssist();
+    expect($assist->nodePackageManager())->toBe('npm');
+});