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-discovery-registry-completeness.php

@@ -0,0 +1,116 @@
+<?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\DI\Initializer;
+use App\Framework\Discovery\Factory\DiscoveryServiceFactory;
+use App\Framework\Serializer\Json\JsonSerializer;
+
+echo "=== Testing DiscoveryRegistry Completeness ===\n\n";
+
+try {
+    // Setup
+    $projectRoot = dirname(__DIR__, 2);
+    $srcPath = $projectRoot . '/src';
+
+    echo "Project root: $projectRoot\n";
+    echo "Source path: $srcPath\n\n";
+
+    $container = new DefaultContainer();
+    $pathProvider = new PathProvider($projectRoot);
+    $clock = new SystemClock();
+
+    // Create cache for discovery
+    $cacheDriver = new InMemoryCache();
+    $serializer = new JsonSerializer();
+    $cache = new GeneralCache($cacheDriver, $serializer);
+
+    // Use DiscoveryServiceFactory like in production
+    $factory = new DiscoveryServiceFactory($container, $pathProvider, $cache, $clock);
+    $discoveryService = $factory->createForDevelopment([$srcPath]);
+
+    echo "Starting full discovery scan using DiscoveryServiceFactory...\n";
+    $registry = $discoveryService->discover();
+    echo "Discovery completed!\n\n";
+
+    // Analyze registry completeness
+    echo "=== Registry Analysis ===\n";
+    echo "Total items in registry: " . count($registry) . "\n";
+    echo "Is empty: " . ($registry->isEmpty() ? 'Yes' : 'No') . "\n\n";
+
+    // Check individual registries
+    echo "=== Individual Registry Stats ===\n";
+    echo "Attributes: " . count($registry->attributes) . " items\n";
+    echo "Interfaces: " . count($registry->interfaces) . " items\n";
+    echo "Routes: " . count($registry->routes) . " items\n";
+    echo "Templates: " . count($registry->templates) . " items\n\n";
+
+    // Check specific attribute types
+    echo "=== Attribute Type Analysis ===\n";
+    $attributeTypes = $registry->attributes->getAllTypes();
+    echo "Total attribute types found: " . count($attributeTypes) . "\n\n";
+
+    foreach ($attributeTypes as $type) {
+        $count = $registry->attributes->getCount($type);
+        $shortType = substr(strrchr($type, '\\'), 1) ?: $type;
+        echo "- $shortType: $count items\n";
+    }
+
+    // Focus on Initializer specifically
+    echo "\n=== Initializer Analysis ===\n";
+    $initializerClass = Initializer::class;
+    $initializerMappings = $registry->attributes->get($initializerClass);
+
+    echo "Initializer attribute class: $initializerClass\n";
+    echo "Found initializers: " . count($initializerMappings) . "\n\n";
+
+    if (empty($initializerMappings)) {
+        echo "❌ No initializers found! Checking alternative lookups...\n";
+
+        // Try different class name formats
+        $alternativeNames = [
+            'App\\Framework\\DI\\Initializer',
+            'App\\\\Framework\\\\DI\\\\Initializer',
+            '\\App\\Framework\\DI\\Initializer',
+        ];
+
+        foreach ($alternativeNames as $altName) {
+            $altMappings = $registry->attributes->get($altName);
+            echo "- $altName: " . count($altMappings) . " items\n";
+        }
+
+        echo "\nAll available attribute types:\n";
+        foreach ($attributeTypes as $type) {
+            echo "- $type\n";
+        }
+    } else {
+        echo "✅ Initializers found! Showing first 5:\n";
+        for ($i = 0; $i < min(5, count($initializerMappings)); $i++) {
+            $mapping = $initializerMappings[$i];
+            $className = $mapping->class->getShortName();
+            $methodName = $mapping->method ? $mapping->method->toString() : '(class-level)';
+            echo "- $className::$methodName\n";
+        }
+    }
+
+    // Memory stats
+    echo "\n=== Memory Statistics ===\n";
+    $memStats = $registry->getMemoryStats();
+    echo "Total estimated memory: " . number_format($memStats['total_estimated_bytes']) . " bytes\n";
+    echo "Attributes memory: " . $memStats['attributes']['memory_footprint'] . "\n";
+
+    // Check if registry got optimized
+    $registry->optimize();
+    echo "\n✅ Registry analysis completed!\n";
+
+} catch (Exception $e) {
+    echo "❌ Error: " . $e->getMessage() . "\n";
+    echo "Stack trace:\n" . $e->getTraceAsString() . "\n";
+}