fix: catch Throwable in fork child, protect class_exists in scanning

src/Websocket/Controller.php

@@ -512,7 +512,12 @@ class Controller
                 if (isset($seen[$fullClass])) continue;
                 $seen[$fullClass] = true;
 
+                try {
                     if (! class_exists($fullClass, true)) continue;
+                } catch (\Throwable $e) {
+                    // Class redeclaration or autoload error (e.g. namespace mismatch) — skip
+                    continue;
+                }
                 if (! is_subclass_of($fullClass, self::class)) continue;
 
                 // Derive event prefix from class name

src/Websocket/ControllerResolver.php

@@ -317,7 +317,14 @@ class ControllerResolver
                 $fullClass = $namespace . $subNamespace . $fileName;
 
                 // Verify the class exists (triggers autoload)
-                if (class_exists($fullClass, true)) {
+                // Wrapped in try-catch: if a file's namespace doesn't match
+                // its path, autoloading can trigger a class redeclaration error.
+                try {
+                    $exists = class_exists($fullClass, true);
+                } catch (\Throwable $e) {
+                    continue;
+                }
+                if ($exists) {
                     // Store with lowercase key for case-insensitive lookup
                     $key = strtolower($fileName);
                     self::$availableControllers[$key] = $fullClass;

src/Websocket/Handler.php

@@ -632,7 +632,7 @@ class Handler implements MessageComponentInterface
 
                 // Persist session changes to Redis before exit
                 $session->save();
-            } catch (Exception $e) {
+            } catch (\Throwable $e) {
                 // Send error via socket pair
                 $ipc->sendToParent(json_encode([
                     'event' => $message['event'] . ':error',
@@ -640,7 +640,7 @@ class Handler implements MessageComponentInterface
                 ]));
 
                 // Log DB connection failures specifically for monitoring
-                if ($this->isDbConnectionError($e)) {
+                if ($e instanceof Exception && $this->isDbConnectionError($e)) {
                     Log::channel('websocket')->error('DB connection failure in child process', [
                         'error' => $e->getMessage(),
                         'event' => $message['event'] ?? 'unknown',