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

src/Framework/Discovery/Events/CacheHitEvent.php

@@ -0,0 +1,85 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Framework\Discovery\Events;
+
+use App\Framework\Cache\CacheKey;
+use App\Framework\Core\ValueObjects\Byte;
+use App\Framework\Core\ValueObjects\Duration;
+use App\Framework\Core\ValueObjects\Timestamp;
+use App\Framework\Discovery\ValueObjects\CacheLevel;
+
+/**
+ * Event fired when discovery results are loaded from cache
+ *
+ * Extended for memory-aware caching with data size and cache level tracking.
+ */
+final readonly class CacheHitEvent
+{
+    public function __construct(
+        public CacheKey $cacheKey,
+        public int $itemCount,
+        public Duration $cacheAge,
+        public Timestamp $timestamp,
+        public ?Byte $dataSize = null,
+        public ?CacheLevel $cacheLevel = null
+    ) {
+    }
+
+    public function isFresh(): bool
+    {
+        // Consider cache fresh if less than 30 minutes old
+        return $this->cacheAge->lessThan(Duration::fromMinutes(30));
+    }
+
+    /**
+     * Check if this is a large cache hit
+     */
+    public function isLargeCacheHit(): bool
+    {
+        return $this->dataSize?->greaterThan(Byte::fromMegabytes(1)) ?? false;
+    }
+
+    /**
+     * Get cache efficiency rating
+     */
+    public function getEfficiencyRating(): string
+    {
+        if ($this->dataSize === null) {
+            return 'unknown';
+        }
+
+        return match (true) {
+            $this->isFresh() && ! $this->isLargeCacheHit() => 'optimal',
+            $this->isFresh() => 'good',
+            $this->dataSize->greaterThan(Byte::fromMegabytes(5)) => 'poor',
+            default => 'fair'
+        };
+    }
+
+    public function toArray(): array
+    {
+        $baseArray = [
+            'cache_key' => (string) $this->cacheKey,
+            'item_count' => $this->itemCount,
+            'cache_age_seconds' => $this->cacheAge->toSeconds(),
+            'cache_age_human' => $this->cacheAge->humanReadable(),
+            'is_fresh' => $this->isFresh(),
+            'timestamp' => $this->timestamp->toFloat(),
+        ];
+
+        // Add memory-aware fields if available
+        if ($this->dataSize !== null) {
+            $baseArray['data_size'] = $this->dataSize->toHumanReadable();
+            $baseArray['is_large_hit'] = $this->isLargeCacheHit();
+            $baseArray['efficiency_rating'] = $this->getEfficiencyRating();
+        }
+
+        if ($this->cacheLevel !== null) {
+            $baseArray['cache_level'] = $this->cacheLevel->value;
+        }
+
+        return $baseArray;
+    }
+}