chore : bump version to 0.2.3 and add Monolog logging

Add symfony/monolog-bundle with rotating file logs in dev (7 days)
and fingers_crossed + rotating file in prod (30 days).
Deploy script now ensures var/log/ permissions.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

composer.json

@@ -26,6 +26,7 @@
         "symfony/http-client": "8.0.*",
         "symfony/mcp-bundle": "^0.6.0",
         "symfony/mime": "8.0.*",
+        "symfony/monolog-bundle": "^4.0",
         "symfony/property-access": "8.0.*",
         "symfony/property-info": "8.0.*",
         "symfony/runtime": "8.0.*",