refactor: replace database logging with file logging and admin audit log

database/migrations/2026_03_11_000001_replace_v2_log_with_admin_audit_log.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
+{
+    public function up(): void
+    {
+        Schema::create('v2_admin_audit_log', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('admin_id')->index();
+            $table->string('action', 64)->index()->comment('Action identifier e.g. user.update');
+            $table->string('method', 10);
+            $table->string('uri', 512);
+            $table->text('request_data')->nullable();
+            $table->string('ip', 128)->nullable();
+            $table->unsignedInteger('created_at');
+            $table->unsignedInteger('updated_at');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('v2_admin_audit_log');
+    }
+};