Address code review feedback: fix typos and improve code clarity

Co-authored-by: nomeguy <85475922+nomeguy@users.noreply.github.com>

Author: Copilot

src/Authorizer.ts

@@ -122,7 +122,8 @@ export class Authorizer {
             for (const sArray of obj['g']) {
                 let arr = sArray as string[];
                 arr = arr.map(v => v.trim())
-                const pType = arr.shift()
+                // Remove and discard the pType prefix (e.g., "g") before adding to enforcer
+                arr.shift();
                 await this.enforcer.addGroupingPolicy(...arr);
             }
         }

src/__test__/index.test.ts

@@ -1,7 +1,7 @@
 import axios from 'axios';
 import { Authorizer } from '../index';
 import { basicModelStr, rbacModelStr } from './models';
-import { basicPolicies, rabcPolicies } from './policies';
+import { basicPolicies, rbacPolicies } from './policies';
 import { removeLocalStorage } from '../Cache';
 import TestServer  from './server';
 
@@ -94,7 +94,7 @@ test('Manual mode with RBAC and grouping policies', async () => {
     // This tests that 'g' policies are correctly processed
     const enforcerData = {
         m: rbacModelStr,
-        p: rabcPolicies,
+        p: rbacPolicies,
     };
     await authorizer.setPermission(enforcerData);
     await authorizer.setUser('alice');

src/__test__/policies.ts

@@ -12,5 +12,5 @@ function getPolicies(filename: string): string[][] {
 }
 
 export const basicPolicies = getPolicies("src/__test__/examples/basic_policy.csv");
-export const rabcPolicies = getPolicies("src/__test__/examples/rbac_policy.csv");
+export const rbacPolicies = getPolicies("src/__test__/examples/rbac_policy.csv");
 export const abacWithObjRulesPolicies = getPolicies("src/__test__/examples/abac_with_obj_rule_policy.csv");