Builder administration area

* Page builder foundation
* Form builder document type
* Dashboard builder document type
* Report builder document type
* Menu builder document type
* Email builder document type
* Query builder document type
* Workflow builder document type
* Reusable component registry
* Form-field registry
* Dashboard-widget registry
* Hero, heading, and rich-content components
* JSON document schema
* Saved builder documents
* Draft, published, and archived states
* Document version history
* Reusable builder templates
* Component rendering service
* Extensible BuilderComponent contract
* Authenticated Builder REST endpoints
* Administration navigation
* Builder permissions
* Module registration and test

config/stylist.php

@@ -0,0 +1,27 @@
+<?php
+
+return [
+    'default_theme' => env('STYLIST_DEFAULT_THEME', 'admin'),
+
+    /*
+     | Themes are application resources, never module resources.
+     | Every theme is self-contained and owns its views and assets.
+     */
+    'themes_path' => env('STYLIST_THEMES_PATH', resource_path('themes')),
+
+    'tenant_theme_column' => 'theme_key',
+    'tenant_brand_columns' => [
+        'brand_primary' => 'brand-primary',
+        'brand_secondary' => 'brand-secondary',
+        'brand_accent' => 'brand-accent',
+    ],
+
+    'fallback_variables' => [
+        'brand-primary' => '#2563eb',
+        'brand-secondary' => '#0f172a',
+        'brand-accent' => '#22c55e',
+        'surface' => '#ffffff',
+        'surface-muted' => '#f8fafc',
+        'text-primary' => '#0f172a',
+    ],
+];