Fix Copilot SDK sample driver BYOK session configuration in Daily Model Inventory workflow

.github/drivers/copilot_sdk_driver_sample_node.cjs

@@ -2,7 +2,6 @@
 "use strict";
 
 const fs = require("node:fs");
-const { CopilotClient, RuntimeConnection, approveAll } = require("@github/copilot-sdk");
 
 function readRequiredEnv(name) {
   const value = process.env[name];
@@ -26,7 +25,22 @@ function extractAssistantContent(message) {
   return "";
 }
 
+function buildSessionConfig(model, onPermissionRequest) {
+  const config = {
+    onPermissionRequest,
+    model,
+  };
+
+  const providerBaseUrl = process.env.GH_AW_COPILOT_SDK_PROVIDER_BASE_URL;
+  if (providerBaseUrl) {
+    config.provider = { type: "openai", baseUrl: providerBaseUrl };
+  }
+
+  return config;
+}
+
 async function main() {
+  const { CopilotClient, approveAll } = require("@github/copilot-sdk");
   const promptPath = readRequiredEnv("GH_AW_PROMPT");
   const sdkUri = readRequiredEnv("COPILOT_SDK_URI");
   const connectionToken = readRequiredEnv("COPILOT_CONNECTION_TOKEN");
@@ -41,10 +55,7 @@ async function main() {
   let session;
   await client.start();
   try {
-    session = await client.createSession({
-      onPermissionRequest: approveAll,
-      model,
-    });
+    session = await client.createSession(buildSessionConfig(model, approveAll));
     const response = await session.sendAndWait({ prompt });
     const content = extractAssistantContent(response);
     if (content) {
@@ -58,7 +69,13 @@ async function main() {
   }
 }
 
-main().catch(error => {
-  process.stderr.write(`[copilot-sdk-driver-sample-node] ${error instanceof Error ? error.message : String(error)}\n`);
-  process.exit(1);
-});
+if (require.main === module) {
+  main().catch(error => {
+    process.stderr.write(`[copilot-sdk-driver-sample-node] ${error instanceof Error ? error.message : String(error)}\n`);
+    process.exit(1);
+  });
+}
+
+module.exports = {
+  buildSessionConfig,
+};