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

autoloader_workaround.php

@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * Temporary workaround for the "Uninitialized string offset 0" warning in ClassLoader.php
+ *
+ * This file registers an autoloader hook that catches empty class names,
+ * logs them with stack traces, but doesn't throw exceptions, allowing the
+ * application to continue running.
+ *
+ * Usage: Include this file at the beginning of your application bootstrap process,
+ * before any other autoloading occurs.
+ */
+
+// Register the autoloader hook
+spl_autoload_register(function($class) {
+    if (empty($class)) {
+        // Log the empty class name with stack trace
+        $trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 10);
+        $logMessage = date('Y-m-d H:i:s') . " - Empty class name detected in autoloader.\nStack trace:\n" .
+            json_encode($trace, JSON_PRETTY_PRINT) . "\n\n";
+
+        // Log to file
+        file_put_contents(
+            __DIR__ . '/empty_class_debug.log',
+            $logMessage,
+            FILE_APPEND
+        );
+
+        // Also log to error_log for server logs
+        error_log('Empty class name detected in autoloader. See empty_class_debug.log for details.');
+
+        // Return false to continue with other autoloaders
+        return false;
+    }
+
+    // Not an empty class name, let other autoloaders handle it
+    return false;
+}, true, true); // prepend=true to ensure this runs before other autoloaders