feat(core): upgrade to v2.65.0 with Cognition Layer & Proactive Advisor

- Integrated v4.0 Operational Policy into AgentEngine and AgentExecutor.
- Added Context Amplification for policy-driven reasoning.
- Implemented Proactive Advisor for next-action decision forks.
- Added CognitionAudit diagnostics for real-time policy monitoring.
- Updated test suites to support dual-execution cognition patterns.

tests/agentEngine.test.ts

@@ -511,9 +511,9 @@ describe('Concurrency & Stress Tests', () => {
 
         const outputs = await Promise.all(results);
 
-        // 모든 작업이 완료되어야 함
+        // 모든 작업이 완료되어야 함 (최종 리포트 + 선제적 제안 = taskCount * 2)
         expect(outputs).toHaveLength(taskCount);
-        expect(completionOrder).toHaveLength(taskCount);
+        expect(completionOrder).toHaveLength(taskCount * 2);
 
         console.log(`\n📊 [Queue Saturation Test]`);
         console.log(`   Tasks Submitted: ${taskCount}`);