Fix code review issues: add updatePolicy to MockAdapter and remove await from removePolicy

Co-authored-by: hsluoyz <3787410+hsluoyz@users.noreply.github.com>

Author: Copilot

src/internalEnforcer.ts

@@ -337,7 +337,7 @@ export class InternalEnforcer extends CoreEnforcer {
       return false;
     }
 
-    const ok = await this.model.removePolicy(sec, ptype, rule);
+    const ok = this.model.removePolicy(sec, ptype, rule);
     if (sec === 'g' && ok) {
       await this.buildIncrementalRoleLinks(PolicyOp.PolicyRemove, ptype, [rule]);
     }

test/selfManagementAPI.test.ts

@@ -42,6 +42,10 @@ class MockAdapter implements Adapter {
   async removeFilteredPolicy(sec: string, ptype: string, fieldIndex: number, ...fieldValues: string[]): Promise<void> {
     this.removeFilteredPolicyCalls.push({ sec, ptype, fieldIndex, fieldValues });
   }
+
+  async updatePolicy(sec: string, ptype: string, oldRule: string[], newRule: string[]): Promise<void> {
+    this.updatePolicyCalls.push({ sec, ptype, oldRule, newRule });
+  }
 }
 
 // Mock watcher that tracks calls