Fix module import error by generating sdkProtocolVersion.ts from JSON

Co-authored-by: friggeri <106686+friggeri@users.noreply.github.com>

Author: Copilot

nodejs/package.json

@@ -26,7 +26,7 @@
     "lint:fix": "eslint --fix \"src/**/*.ts\" \"test/**/*.ts\"",
     "typecheck": "tsc --noEmit",
     "generate:session-types": "tsx scripts/generate-session-types.ts",
-    "update:protocol-version": "tsx scripts/generate-protocol-version.ts",
+    "update:protocol-version": "tsx scripts/update-protocol-version.ts",
     "prepublishOnly": "npm run build",
     "package": "npm run clean && npm run build && node scripts/set-version.js && npm pack && npm version 0.1.0 --no-git-tag-version --allow-same-version"
   },

nodejs/scripts/update-protocol-version.ts

@@ -6,6 +6,7 @@
  * Generates SDK protocol version constants for all SDK languages.
  *
  * Reads from sdk-protocol-version.json and generates:
+ * - nodejs/src/sdkProtocolVersion.ts
  * - go/sdk_protocol_version.go
  * - python/copilot/sdk_protocol_version.py
  * - dotnet/src/SdkProtocolVersion.cs
@@ -26,6 +27,30 @@ const version = versionFile.version;
 
 console.log(`Generating SDK protocol version constants for version ${version}...`);
 
+// Generate TypeScript
+const tsCode = `/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *--------------------------------------------------------------------------------------------*/
+
+// Code generated by update-protocol-version.ts. DO NOT EDIT.
+
+/**
+ * The SDK protocol version.
+ * This must match the version expected by the copilot-agent-runtime server.
+ */
+export const SDK_PROTOCOL_VERSION = ${version};
+
+/**
+ * Gets the SDK protocol version from sdk-protocol-version.json.
+ * @returns The protocol version number
+ */
+export function getSdkProtocolVersion(): number {
+    return SDK_PROTOCOL_VERSION;
+}
+`;
+fs.writeFileSync(path.join(rootDir, "nodejs", "src", "sdkProtocolVersion.ts"), tsCode);
+console.log("  ✓ nodejs/src/sdkProtocolVersion.ts");
+
 // Generate Go
 const goCode = `// Code generated by generate-protocol-version.ts. DO NOT EDIT.
 

nodejs/src/sdkProtocolVersion.ts

@@ -2,12 +2,18 @@
  *  Copyright (c) Microsoft Corporation. All rights reserved.
  *--------------------------------------------------------------------------------------------*/
 
-import sdkProtocolVersion from "../../sdk-protocol-version.json";
+// Code generated by update-protocol-version.ts. DO NOT EDIT.
+
+/**
+ * The SDK protocol version.
+ * This must match the version expected by the copilot-agent-runtime server.
+ */
+export const SDK_PROTOCOL_VERSION = 1;
 
 /**
  * Gets the SDK protocol version from sdk-protocol-version.json.
  * @returns The protocol version number
  */
 export function getSdkProtocolVersion(): number {
-    return sdkProtocolVersion.version;
+    return SDK_PROTOCOL_VERSION;
 }