refactor: improve logging system and add deployment fixes

- Enhance logging handlers (Console, DockerJson, File, JsonFile, MultiFile)
- Improve exception and line formatters
- Update logger initialization and processor management
- Add Ansible playbooks for staging 502 error troubleshooting
- Update deployment documentation
- Fix serializer and queue components
- Update error kernel and queued log handler

tests/integration/FormatterIntegrationTest.php

@@ -23,7 +23,7 @@ use RuntimeException;
  */
 
 // Enhanced handler that supports formatters
-class FormattableHandler implements LogHandler
+class LogHandler implements LogHandler
 {
     public array $handledOutputs = [];
 
@@ -68,10 +68,10 @@ it('demonstrates different formatters with same log data', function () {
         ])->addTags('error', 'order_processing');
 
         // Create handlers with different formatters
-        $lineHandler = new FormattableHandler(new LineFormatter());
-        $jsonHandler = new FormattableHandler(new JsonFormatter());
-        $devHandler = new FormattableHandler(new DevelopmentFormatter(colorOutput: false));
-        $structuredHandler = new FormattableHandler(new StructuredFormatter());
+        $lineHandler = new LogHandler(new LineFormatter());
+        $jsonHandler = new LogHandler(new JsonFormatter());
+        $devHandler = new LogHandler(new DevelopmentFormatter(colorOutput: false));
+        $structuredHandler = new LogHandler(new StructuredFormatter());
 
         $logger = new DefaultLogger(
             handlers: [$lineHandler, $jsonHandler, $devHandler, $structuredHandler],
@@ -124,9 +124,9 @@ it('demonstrates formatter customization options', function () {
     $kvFormatter = new StructuredFormatter(format: 'kv');
 
     $handlers = [
-        'custom_line' => new FormattableHandler($customLineFormatter),
-        'pretty_json' => new FormattableHandler($prettyJsonFormatter),
-        'key_value' => new FormattableHandler($kvFormatter),
+        'custom_line' => new LogHandler($customLineFormatter),
+        'pretty_json' => new LogHandler($prettyJsonFormatter),
+        'key_value' => new LogHandler($kvFormatter),
     ];
 
     $logger = new DefaultLogger(handlers: array_values($handlers));
@@ -149,7 +149,7 @@ it('demonstrates formatter customization options', function () {
 
 it('demonstrates formatter performance with batch logging', function () {
     $jsonFormatter = new JsonFormatter();
-    $handler = new FormattableHandler($jsonFormatter);
+    $handler = new LogHandler($jsonFormatter);
     $logger = new DefaultLogger(handlers: [$handler]);
 
     // Batch log multiple entries