Implement AuthGuard for route protection, integrate authorization checks into particles route, and simplify HeaderComponent access logic. Remove redundant debug logging in auth.service.ts.

frontend/src/app/services/auth.service.ts

@@ -105,15 +105,11 @@ export class AuthService {
    */
   public getUserAuthorizations(): string[] {
     const claims = this.userClaimsSubject.getValue();
-    console.log("Retrieved user claims: ", claims);
     return claims?.authorities || [];
   }
 
   public hasAccess(requiredAuthorizations: string[]): boolean {
     const userAuthorizations = this.getUserAuthorizations();
-    console.log("Required: ", requiredAuthorizations);
-    console.log("Auth: ", userAuthorizations);
-    console.log("hasAccess: ", requiredAuthorizations.some(auth => userAuthorizations.includes(auth)));
     return requiredAuthorizations.some(auth => userAuthorizations.includes(auth));
   }
 }