improve tou_acceptances table

Author: dati18

database/migrations/2026_01_08_113952_tou_acceptances.php

@@ -0,0 +1,28 @@
+<?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::table('tou_acceptances', function (Blueprint $table) {
+            $table->string('tou_version', 10)->change();
+            $table->foreign('tou_version')
+                ->references('version')
+                ->on('tou_versions')
+                ->cascadeOnUpdate()
+                ->restrictOnDelete();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void {
+        Schema::dropIfExists('tou_acceptances');
+    }
+};