fix(core): only pull configure-ai-agents from latest if local version is not latest (#34484)

## Current Behavior
we pull from latest all the time even if the current version is already
latest

## Expected Behavior
we can skip this extra work sometimes

(cherry picked from commit ee22084)

Author: MaxKless

packages/nx/src/command-line/configure-ai-agents/configure-ai-agents.ts

@@ -12,7 +12,9 @@ import {
 } from '../../ai/utils';
 import { installPackageToTmp } from '../../devkit-internals';
 import { output } from '../../utils/output';
+import { resolvePackageVersionUsingRegistry } from '../../utils/package-manager';
 import { ensurePackageHasProvenance } from '../../utils/provenance';
+import { nxVersion } from '../../utils/versions';
 import { workspaceRoot } from '../../utils/workspace-root';
 import { ConfigureAiAgentsOptions } from './command-object';
 import ora = require('ora');
@@ -30,6 +32,19 @@ export async function configureAiAgentsHandler(
     return await configureAiAgentsHandlerImpl(args);
   }
 
+  // Skip downloading latest if the current version is already the latest
+  try {
+    const latestVersion = await resolvePackageVersionUsingRegistry(
+      'nx',
+      'latest'
+    );
+    if (latestVersion === nxVersion) {
+      return await configureAiAgentsHandlerImpl(args);
+    }
+  } catch {
+    // If we can't check, proceed with download
+  }
+
   let cleanup: () => void | undefined;
   try {
     await ensurePackageHasProvenance('nx', 'latest');