fix some tests and prepare next step of evolution

test/test.memory-leak-unit.ts

@@ -29,7 +29,7 @@ tap.test('memory leak fixes - unit tests', async () => {
   
   // Add 6000 timestamps
   for (let i = 0; i < 6000; i++) {
-    collector.recordRequest();
+    collector.recordRequest(`conn-${i}`, 'test-route', '127.0.0.1');
   }
   
   // Access private property for testing
@@ -37,7 +37,7 @@ tap.test('memory leak fixes - unit tests', async () => {
   console.log(`Timestamps after 6000 requests: ${timestamps.length}`);
   
   // Force one more request to trigger cleanup
-  collector.recordRequest();
+  collector.recordRequest('conn-final', 'test-route', '127.0.0.1');
   timestamps = (collector as any).requestTimestamps;
   console.log(`Timestamps after cleanup trigger: ${timestamps.length}`);
   
@@ -64,7 +64,7 @@ tap.test('memory leak fixes - unit tests', async () => {
   
   // Add new timestamps to exceed limit
   for (let i = 0; i < 3000; i++) {
-    collector.recordRequest();
+    collector.recordRequest(`conn-new-${i}`, 'test-route', '127.0.0.1');
   }
   
   timestamps = (collector as any).requestTimestamps;
@@ -110,7 +110,7 @@ tap.test('memory leak fixes - unit tests', async () => {
   };
   
   const handler = new RequestHandler(
-    { logLevel: 'error' },
+    { port: 8080, logLevel: 'error' },
     mockConnectionPool as any
   );