Optimized agents rules subfolders, dependencies updates (#355)

* Update AGENTS.md and CLAUDE.md for improved clarity and structure
* Added MCP Server
* Added missing triggers to tables that should have used them
* Updated all dependencies
* Fixed rare bug in React present in the Admin layout which prevents navigating to pages (sometimes...)

.junie/guidelines.md

@@ -15,7 +15,7 @@ class UserService {
 }
 
 export function createUserService() {
-    return new UserService();
+  return new UserService();
 }
 ```