Enable Discovery debug logging for production troubleshooting

- Add DISCOVERY_LOG_LEVEL=debug
- Add DISCOVERY_SHOW_PROGRESS=true
- Temporary changes for debugging InitializerProcessor fixes on production

tests/debug/test-initializers.php

@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+
+require_once __DIR__ . '/../../vendor/autoload.php';
+
+use App\Framework\Cache\Driver\InMemoryCache;
+use App\Framework\Cache\GeneralCache;
+use App\Framework\Core\PathProvider;
+use App\Framework\DateTime\SystemClock;
+use App\Framework\DI\DefaultContainer;
+use App\Framework\Discovery\Factory\DiscoveryServiceFactory;
+use App\Framework\Serializer\Json\JsonSerializer;
+
+try {
+    echo "=== Initializer Discovery Test ===\n";
+
+    // Create basic dependencies
+    $container = new DefaultContainer();
+    $clock = new SystemClock();
+    $pathProvider = new PathProvider('/var/www/html');
+
+    // Create simple cache
+    $cacheDriver = new InMemoryCache();
+    $serializer = new JsonSerializer();
+    $cache = new GeneralCache($cacheDriver, $serializer);
+
+    // Create discovery factory
+    $factory = new DiscoveryServiceFactory($container, $pathProvider, $cache, $clock);
+
+    // Create discovery service for development
+    $discoveryService = $factory->createForDevelopment();
+
+    // Run discovery
+    $registry = $discoveryService->discover();
+
+    $initializers = $registry->attributes->get('App\\Framework\\DI\\Initializer');
+    echo 'Initializers found: ' . count($initializers) . "\n";
+
+    foreach ($initializers as $init) {
+        echo '  - ' . $init->class->getFullyQualified() . '::' . ($init->method ? $init->method->toString() : 'class') . "\n";
+        if ($init->mappedData) {
+            echo '    Data: ' . json_encode($init->mappedData) . "\n";
+        }
+    }
+
+    // Check if CacheInitializer is specifically found
+    $cacheInitializerFound = false;
+    foreach ($initializers as $init) {
+        if (str_contains($init->class->getFullyQualified(), 'CacheInitializer')) {
+            $cacheInitializerFound = true;
+            echo "\n✅ CacheInitializer found!\n";
+
+            break;
+        }
+    }
+
+    if (! $cacheInitializerFound) {
+        echo "\n❌ CacheInitializer NOT found!\n";
+    }
+
+} catch (\Throwable $e) {
+    echo "ERROR: " . $e->getMessage() . "\n";
+    echo "File: " . $e->getFile() . ":" . $e->getLine() . "\n";
+    echo "Trace:\n" . $e->getTraceAsString() . "\n";
+}