v03.10.00: Bridge release — MokoCassiopeia → MokoOnyx migration

- Minor bump 03.09.34 → 03.10.00
- Bridge migration wired into script.php update() method
- CHANGELOG: full release notes for 03.10.00
- README: rename notice added

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

src/joomla.asset.json

@@ -17,7 +17,7 @@
 			"defgroup": "Joomla.Template.Site",
 			"ingroup": "MokoCassiopeia.Template.Assets",
 			"path": "./media/templates/site/mokocassiopeia/joomla.asset.json",
-			"version": "03.09.34",
+			"version": "03.10.00",
 			"brief": "Joomla asset registry for MokoCassiopeia"
 		}
 	},