feat: Inertia profile settings page, Studio edit redesign, EGS, Nova UI components\n\n- Redesign /dashboard/profile as Inertia React page (Settings/ProfileEdit)\n with SettingsLayout sidebar, Nova UI components (TextInput, Textarea,\n Toggle, Select, RadioGroup, Modal, Button), avatar drag-and-drop,\n password change, and account deletion sections\n- Redesign Studio artwork edit page with two-column layout, Nova components,\n integrated TagPicker, and version history modal\n- Add shared MarkdownEditor component\n- Add Early-Stage Growth System (EGS): SpotlightEngine, FeedBlender,\n GridFiller, AdaptiveTimeWindow, ActivityLayer, admin panel\n- Fix upload category/tag persistence (V1+V2 paths)\n- Fix tag source enum, category tree display, binding resolution\n- Add settings.jsx Vite entry, settings.blade.php wrapper\n- Update ProfileController with JSON response support for API calls\n- Various route fixes (profile.edit, toolbar settings link)"

app/Mail/StaffApplicationReceived.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Mail;
+
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Mail\Mailable;
+use Illuminate\Queue\SerializesModels;
+use App\Models\StaffApplication;
+
+class StaffApplicationReceived extends Mailable implements ShouldQueue
+{
+    use Queueable, SerializesModels;
+
+    public StaffApplication $application;
+
+    /**
+     * Create a new message instance.
+     */
+    public function __construct(StaffApplication $application)
+    {
+        $this->application = $application;
+    }
+
+    /**
+     * Build the message.
+     */
+    public function build()
+    {
+        $topicLabel = match ($this->application->topic ?? 'apply') {
+            'apply' => 'Application',
+            'bug' => 'Bug Report',
+            'contact' => 'Contact',
+            default => 'Message',
+        };
+
+        return $this->subject("New {$topicLabel}: " . ($this->application->name ?? 'Unnamed'))
+                ->from(config('mail.from.address'), config('mail.from.name'))
+                ->view('emails.staff_application_received')
+                ->text('emails.staff_application_received_plain')
+                ->with(['application' => $this->application, 'topicLabel' => $topicLabel]);
+    }
+}