Initial Ladill Transfer app — file sharing with QR links.

Scaffolded from the Ladill mini/events extraction pattern: multi-file transfers,
retention controls, public landing pages, analytics, and Gitea deploy workflow.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/Models/TransferDownloadEvent.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class TransferDownloadEvent extends Model
+{
+    protected $fillable = [
+        'transfer_id',
+        'transfer_file_id',
+        'downloaded_at',
+        'ip_hash',
+        'user_agent',
+    ];
+
+    protected $casts = [
+        'downloaded_at' => 'datetime',
+    ];
+
+    public function transfer(): BelongsTo
+    {
+        return $this->belongsTo(Transfer::class);
+    }
+
+    public function file(): BelongsTo
+    {
+        return $this->belongsTo(TransferFile::class, 'transfer_file_id');
+    }
+}