feat(database): configure standalone health checks

Add configurable health check settings for standalone databases and apply them to generated Docker Compose services. Allow disabling health checks and cover the behavior with feature tests.

database/migrations/2026_05_31_000000_add_health_check_to_standalone_databases.php

@@ -0,0 +1,47 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    private array $tables = [
+        'standalone_postgresqls',
+        'standalone_mysqls',
+        'standalone_mariadbs',
+        'standalone_redis',
+        'standalone_clickhouses',
+        'standalone_dragonflies',
+        'standalone_keydbs',
+        'standalone_mongodbs',
+    ];
+
+    public function up(): void
+    {
+        foreach ($this->tables as $table) {
+            Schema::table($table, function (Blueprint $table) {
+                $table->boolean('health_check_enabled')->default(true);
+                $table->integer('health_check_interval')->default(15);
+                $table->integer('health_check_timeout')->default(5);
+                $table->integer('health_check_retries')->default(5);
+                $table->integer('health_check_start_period')->default(5);
+            });
+        }
+    }
+
+    public function down(): void
+    {
+        foreach ($this->tables as $table) {
+            Schema::table($table, function (Blueprint $table) {
+                $table->dropColumn([
+                    'health_check_enabled',
+                    'health_check_interval',
+                    'health_check_timeout',
+                    'health_check_retries',
+                    'health_check_start_period',
+                ]);
+            });
+        }
+    }
+};