Implement Keystone environment deployments

database/migrations/2025_03_31_140110_create_operations_table.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('operations', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('parent_id')->nullable()->constrained('operations')->nullOnDelete();
+            $table->string('hash')->unique();
+            $table->string('kind')->default('service_deploy');
+            $table->morphs('target'); // server, service, etc.
+            $table->string('status');
+            $table->dateTime('started_at')->nullable();
+            $table->dateTime('finished_at')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('operations');
+    }
+};