feat(local-secrets): introduce unified local secrets management and documentation

- Add example secret files for `app_key`, `db_user_password`, and `redis_password`.
- Introduce `local.vault.yml.example` for Ansible Vault encryption of local secrets.
- Create migration and setup scripts for transitioning from `.env.local` to secrets files.
- Update `docker-compose.local.yml` to adopt Docker Secrets and `_FILE` pattern for local configurations.
- Add deployment playbooks and enhanced logging configurations for local development.

src/Framework/Logging/LoggerInitializer.php

@@ -154,10 +154,7 @@ final readonly class LoggerInitializer
             $handlers[] = $this->createCliHandler($config, $env, $minLevel);
         } else {
             // Web-Requests: Console Handler auf stderr
-            $webFormatter = new LineFormatter(
-                format: '[{timestamp}] [{level_name}] {request_id}{channel}{message}',
-                timestampFormat: 'Y-m-d H:i:s'
-            );
+            $webFormatter = new LineFormatter();
             $handlers[] = new ConsoleHandler($webFormatter, $minLevel, debugOnly: false);
         }