Add team, developers, PDF type, and QR rendering dependency.

Enables account collaboration, API tokens, hosted PDF codes, and fixes QR detail 500s by declaring chillerlan/php-qrcode.

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

app/Models/QrDocument.php

@@ -3,9 +3,33 @@
 namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 
-/** Stub — document/file QRs belong to Ladill Transfer, not QR Plus. */
 class QrDocument extends Model
 {
-    protected $guarded = [];
+    protected $fillable = [
+        'user_id',
+        'title',
+        'disk',
+        'path',
+        'mime_type',
+        'size_bytes',
+        'page_count',
+    ];
+
+    protected $casts = [
+        'size_bytes' => 'integer',
+        'page_count' => 'integer',
+    ];
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function qrCodes(): HasMany
+    {
+        return $this->hasMany(QrCode::class);
+    }
 }

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,
+            ]);
+    }
+}

app/Models/User.php

@@ -8,6 +8,7 @@ use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\HasOne;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
+use Illuminate\Support\Collection;
 use Laravel\Sanctum\HasApiTokens;
 
 /**
@@ -27,6 +28,26 @@ class User extends Authenticatable
         return ['email_verified_at' => 'datetime', 'password' => 'hashed'];
     }
 
+    public function memberships(): HasMany
+    {
+        return $this->hasMany(QrTeamMember::class, 'user_id')
+            ->where('status', QrTeamMember::STATUS_ACTIVE);
+    }
+
+    public function canAccessAccount(int $accountId): bool
+    {
+        return $accountId === $this->id
+            || $this->memberships()->where('account_id', $accountId)->exists();
+    }
+
+    /** @return Collection<int, User> */
+    public function accessibleAccounts(): Collection
+    {
+        $ids = $this->memberships()->pluck('account_id')->all();
+
+        return collect([$this])->merge(self::whereIn('id', $ids)->get())->unique('id')->values();
+    }
+
     public function qrWallet(): HasOne
     {
         return $this->hasOne(QrWallet::class);