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/Filesystem/Traits/AtomicStorageTrait.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Framework\Filesystem\Traits;
+
+use App\Framework\Filesystem\Exceptions\FileWriteException;
+
+/**
+ * Trait für Atomic Storage-Operationen
+ *
+ * Implementiert atomare Schreiboperationen durch temporäre Dateien
+ * und rename()-Operation für Data Consistency.
+ */
+trait AtomicStorageTrait
+{
+    public function putAtomic(string $path, string $content): void
+    {
+        $tempPath = $path . '.tmp.' . uniqid();
+        $this->put($tempPath, $content);
+
+        $resolvedPath = $this->resolvePath($path);
+        $resolvedTempPath = $this->resolvePath($tempPath);
+
+        if (! @rename($resolvedTempPath, $resolvedPath)) {
+            @unlink($resolvedTempPath);
+
+            throw new FileWriteException($path);
+        }
+    }
+
+    public function updateAtomic(string $path, callable $updateCallback): void
+    {
+        $originalContent = $this->exists($path) ? $this->get($path) : '';
+        $newContent = $updateCallback($originalContent);
+        $this->putAtomic($path, $newContent);
+    }
+
+    public function updateJsonAtomic(string $path, callable $updateCallback): void
+    {
+        $originalData = $this->exists($path) ? json_decode($this->get($path), true) ?? [] : [];
+        $newData = $updateCallback($originalData);
+        $this->putAtomic($path, json_encode($newData, JSON_PRETTY_PRINT));
+    }
+}