fix(smartproxy): improve certificate manager mocking in tests, enhance IPv6 validation, and record initial bytes for connection metrics

test/test.smartproxy.ts

@@ -68,6 +68,7 @@ tap.test('setup port proxy test environment', async () => {
   smartProxy = new SmartProxy({
     routes: [
       {
+        name: 'test-proxy-route',
         match: {
           ports: PROXY_PORT
         },
@@ -107,6 +108,7 @@ tap.test('should forward TCP connections to custom host', async () => {
   const customHostProxy = new SmartProxy({
     routes: [
       {
+        name: 'custom-host-route',
         match: {
           ports: PROXY_PORT + 1
         },
@@ -152,6 +154,7 @@ tap.test('should forward connections to custom IP', async () => {
   const domainProxy = new SmartProxy({
     routes: [
       {
+        name: 'domain-proxy-route',
         match: {
           ports: forcedProxyPort
         },
@@ -247,6 +250,7 @@ tap.test('should support optional source IP preservation in chained proxies', as
   const firstProxyDefault = new SmartProxy({
     routes: [
       {
+        name: 'first-proxy-default-route',
         match: {
           ports: PROXY_PORT + 4
         },
@@ -268,6 +272,7 @@ tap.test('should support optional source IP preservation in chained proxies', as
   const secondProxyDefault = new SmartProxy({
     routes: [
       {
+        name: 'second-proxy-default-route',
         match: {
           ports: PROXY_PORT + 5
         },
@@ -306,6 +311,7 @@ tap.test('should support optional source IP preservation in chained proxies', as
   const firstProxyPreserved = new SmartProxy({
     routes: [
       {
+        name: 'first-proxy-preserved-route',
         match: {
           ports: PROXY_PORT + 6
         },
@@ -329,6 +335,7 @@ tap.test('should support optional source IP preservation in chained proxies', as
   const secondProxyPreserved = new SmartProxy({
     routes: [
       {
+        name: 'second-proxy-preserved-route',
         match: {
           ports: PROXY_PORT + 7
         },
@@ -371,6 +378,7 @@ tap.test('should use round robin for multiple target hosts in domain config', as
   // Create a domain config with multiple hosts in the target
   // Create a route with multiple target hosts
   const routeConfig = {
+    name: 'round-robin-route',
     match: {
       ports: 80,
       domains: ['rr.test']