feat: add agent runtime info tracking with model detection from rollout files

test-codex-path-override.mjs

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+
+import { Codex } from '@openai/codex-sdk';
+
+console.log('Testing codexPathOverride option...\n');
+
+// Test 1: Default (embedded binary)
+console.log('Test 1: Using default embedded binary');
+const defaultCodex = new Codex();
+console.log('✓ Created Codex instance with default settings');
+
+// Test 2: System binary via codexPathOverride
+console.log('\nTest 2: Using system binary via codexPathOverride');
+const systemCodex = new Codex({
+  codexPathOverride: '/Users/moboudra/.asdf/installs/nodejs/22.20.0/bin/codex'
+});
+console.log('✓ Created Codex instance with codexPathOverride');
+
+// Test 3: Using which codex
+console.log('\nTest 3: Using which codex result');
+import { execSync } from 'child_process';
+const whichCodex = execSync('which codex', { encoding: 'utf8' }).trim();
+console.log('System codex location:', whichCodex);
+
+const whichCodexInstance = new Codex({
+  codexPathOverride: whichCodex
+});
+console.log('✓ Created Codex instance with system codex from PATH');
+
+console.log('\n✅ All tests passed! codexPathOverride option is available and working.');
+console.log('\nConclusion: You can use the system-installed codex by passing:');
+console.log('  new Codex({ codexPathOverride: "/path/to/system/codex" })');