feat(wallets): implement wallet and transaction management with associated models, policies, and resources

app/Models/WalletTransaction.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\WalletTransactionType;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+#[Fillable([
+    'wallet_id',
+    'type',
+    'amount',
+    'balance_before',
+    'balance_after',
+    'description',
+    'created_by',
+])]
+class WalletTransaction extends Model
+{
+    /**
+     * @return BelongsTo<Wallet, $this>
+     */
+    public function wallet(): BelongsTo
+    {
+        return $this->belongsTo(Wallet::class);
+    }
+
+    /**
+     * @return BelongsTo<User, $this>
+     */
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'type' => WalletTransactionType::class,
+            'amount' => 'integer',
+            'balance_before' => 'integer',
+            'balance_after' => 'integer',
+        ];
+    }
+}