Update user registration email format, remove unused SMS helper function, and adjust database migration for user meta column

app/Modules/OTPVerification/Controllers/OTPVerificationController.php

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+<?php
+
+namespace App\Modules\OTPVerification\Controllers;
+
+use App\Http\Controllers\Controller;
+use Illuminate\Http\Request;
+
+class OTPVerificationController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index(Request $request): void
+    {
+        //
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     */
+    public function store(Request $request): void
+    {
+        //
+    }
+
+    /**
+     * Display the specified resource.
+     */
+    public function show(Request $request): void
+    {
+        //
+    }
+
+    /**
+     * Update the specified resource in storage.
+     */
+    public function update(Request $request): void
+    {
+        //
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     */
+    public function destroy(Request $request): void
+    {
+        //
+    }
+}

app/Modules/OTPVerification/Database/Migrations/2025_09_22_164249_create_o_t_p_verifications_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('otp_verifications', function (Blueprint $table) {
+            $table->id();
+            $table->string('username');
+            $table->string('code');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('otp_verifications');
+    }
+};

app/Modules/OTPVerification/Models/OTPVerification.php

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+<?php
+
+namespace App\Modules\OTPVerification\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+/**
+ * @property int $id
+ * @property string $username
+ * @property string $code
+ * @property Carbon $created_at
+ * @property Carbon $updated_at
+ */
+class OTPVerification extends Model
+{
+    /**
+     * The table associated with the model.
+     */
+    protected $table = 'otp_verifications';
+
+    /**
+     * The attributes that are mass assignable.
+     */
+    protected $fillable = ['username', 'code'];
+}

app/Modules/OTPVerification/OTPVerificationModule.php

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+<?php
+
+namespace App\Modules\OTPVerification;
+
+use App\Modules\Makeable;
+use App\Modules\ModuleContract;
+
+class OTPVerificationModule implements ModuleContract
+{
+    use Makeable;
+
+    /**
+     * Module is enabled
+     */
+    protected bool $enabled = true;
+
+    /**
+     * Check if is module enabled
+     */
+    public function isEnabled(): bool
+    {
+        return $this->enabled;
+    }
+
+    /**
+     * Disable module
+     */
+    public function disable(): void
+    {
+        $this->enabled = false;
+    }
+
+    /**
+     * Enable module
+     */
+    public function enable(): void
+    {
+        $this->enabled = true;
+    }
+
+    /**
+     * Check if module has a filament resource
+     */
+    public function hasFilamentResource(): bool
+    {
+        return true;
+    }
+}

app/Modules/OTPVerification/Repositories/OTPVerificationRepository.php

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+<?php
+
+namespace App\Modules\OTPVerification\Repositories;
+
+use App\Modules\OTPVerification\Models\OTPVerification;
+use App\Modules\SMS\Repositories\SMSRepository;
+
+class OTPVerificationRepository
+{
+    /**
+     * Send a sms verification
+     */
+    public static function sendSMSVerification(string|int $phone_number): ?OTPVerification
+    {
+        /* for apple testing */
+        $phone_code = ($phone_number == '61126667') ? 77777 : rand(10000, 99999);
+
+        $verification = OTPVerification::where(['username' => $phone_number])->first();
+        $verification
+            ? $verification->update(['code' => $phone_code])
+            : OTPVerification::create(['username' => $phone_number, 'code' => $phone_code]);
+
+        SMSRepository::sendSMS($phone_number, 'Tassyklaýyş belgi: '.$phone_code);
+
+        return $verification;
+    }
+}