feat(deployments): track application configuration diffs (#10183)

database/migrations/2026_05_11_000000_add_configuration_snapshot_to_application_deployment_queues_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::table('application_deployment_queues', function (Blueprint $table) {
+            $table->string('configuration_hash')->nullable()->after('docker_registry_image_tag');
+            $table->json('configuration_snapshot')->nullable()->after('configuration_hash');
+            $table->json('configuration_diff')->nullable()->after('configuration_snapshot');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('application_deployment_queues', function (Blueprint $table) {
+            $table->dropColumn([
+                'configuration_hash',
+                'configuration_snapshot',
+                'configuration_diff',
+            ]);
+        });
+    }
+};