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/Framework/Discovery/DiscoveryCacheTest.php

@@ -0,0 +1,43 @@
+<?php
+
+declare(strict_types=1);
+
+use App\Framework\Cache\Cache;
+use App\Framework\Core\ValueObjects\Timestamp;
+use App\Framework\Discovery\Storage\DiscoveryCacheManager;
+use App\Framework\Discovery\ValueObjects\DiscoveryContext;
+use App\Framework\Discovery\ValueObjects\DiscoveryOptions;
+use App\Framework\Discovery\ValueObjects\ScanType;
+use App\Framework\Filesystem\FileSystemService;
+
+beforeEach(function () {
+    $this->mockCache = Mockery::mock(Cache::class);
+    $this->mockClock = Mockery::mock(\App\Framework\DateTime\Clock::class);
+    $this->realFileSystemService = new FileSystemService(); // Use real service since it's final
+    $this->mockClock->shouldReceive('time')->andReturn(Timestamp::fromFloat(microtime(true)))->byDefault();
+    $this->mockClock->shouldReceive('now')->andReturn(new \DateTimeImmutable())->byDefault();
+
+    $this->discoveryCacheManager = new DiscoveryCacheManager(
+        $this->mockCache,
+        $this->mockClock,
+        $this->realFileSystemService
+    );
+
+    // Create test context
+    $this->testContext = new DiscoveryContext(
+        paths: ['/test/path'],
+        scanType: ScanType::FULL,
+        options: new DiscoveryOptions(),
+        startTime: $this->mockClock->now()
+    );
+});
+
+afterEach(function () {
+    Mockery::close();
+});
+
+describe('Basic Cache Operations', function () {
+    it('cache manager can be instantiated', function () {
+        expect($this->discoveryCacheManager)->toBeInstanceOf(DiscoveryCacheManager::class);
+    });
+});