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/QrTeamMember.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/** Membership linking a user to an account (owner) whose QR codes they can manage. */
+class QrTeamMember extends Model
+{
+    public const ROLE_ADMIN = 'admin';
+
+    public const ROLE_MEMBER = 'member';
+
+    public const STATUS_INVITED = 'invited';
+
+    public const STATUS_ACTIVE = 'active';
+
+    protected $fillable = ['account_id', 'user_id', 'email', 'role', 'status', 'token', 'accepted_at'];
+
+    protected $casts = ['accepted_at' => 'datetime'];
+
+    public function account(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'account_id');
+    }
+
+    public function member(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'user_id');
+    }
+
+    public static function linkPendingInvitesFor(User $user): void
+    {
+        static::query()
+            ->whereNull('user_id')
+            ->where('status', self::STATUS_INVITED)
+            ->whereRaw('LOWER(email) = ?', [strtolower($user->email)])
+            ->update([
+                'user_id' => $user->id,
+                'status' => self::STATUS_ACTIVE,
+                'accepted_at' => now(),
+                'token' => null,
+            ]);
+    }
+}