feat: set custom User-Agent header for API requests

packages/cli/src/cli.tsx

@@ -2,13 +2,14 @@ import React from "react";
 import { render } from "ink";
 import { setShellIfWindows } from "@vegamo/deepcode-core";
 import { checkForNpmUpdate, promptForPendingUpdate, type PackageInfo } from "./common/update-check";
+import { APP_NAME, APP_VERSION } from "./common/package-info";
 import { AppContainer } from "./ui";
 
 const args = process.argv.slice(2);
-const packageInfo = readPackageInfo();
+const packageInfo: PackageInfo = { name: APP_NAME, version: APP_VERSION };
 
 if (args.includes("--version") || args.includes("-v")) {
-  process.stdout.write(`${packageInfo.version || "unknown"}\n`);
+  process.stdout.write(`${APP_VERSION}\n`);
   process.exit(0);
 }
 
@@ -129,15 +130,3 @@ function configureWindowsShell(): void {
     process.exit(1);
   }
 }
-
-function readPackageInfo(): PackageInfo {
-  try {
-    const pkg = require("../package.json") as { name?: unknown; version?: unknown };
-    return {
-      name: typeof pkg.name === "string" ? pkg.name : "@vegamo/deepcode-cli",
-      version: typeof pkg.version === "string" ? pkg.version : "",
-    };
-  } catch {
-    return { name: "@vegamo/deepcode-cli", version: "" };
-  }
-}

packages/core/src/common/openai-client.ts

@@ -4,13 +4,15 @@ import * as path from "path";
 import OpenAI from "openai";
 import { Agent, fetch as undiciFetch } from "undici";
 import { resolveCurrentSettings } from "../settings";
+import { APP_VERSION } from "./package-info";
 
 // Custom undici Agent with a 180-second keepAlive timeout.  The default
 // global fetch (undici) only keeps connections alive for 4 seconds, which
 // is too short for a CLI where the user may spend 10–30 seconds reading
 // output between prompts.  By passing a dedicated Agent to undiciFetch we
 // keep connections reusable for three minutes after the last request.
 const keepAliveAgent = new Agent({ keepAliveTimeout: 180_000 });
+const USER_AGENT = `deepcode-cli/${APP_VERSION}`;
 
 // Module-level cache for the OpenAI client instance.  The client itself is
 // a stateless fetch wrapper, so it is safe to share across calls as long as
@@ -73,7 +75,11 @@ export function createOpenAIClient(projectRoot: string = process.cwd()): {
     apiKey: settings.apiKey,
     baseURL: settings.baseURL || undefined,
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    fetch: (url: any, init: any) => undiciFetch(url, { ...init, dispatcher: keepAliveAgent }),
+    fetch: (url: any, init: any) => {
+      const headers = new Headers(init?.headers);
+      headers.set("User-Agent", USER_AGENT);
+      return undiciFetch(url, { ...init, headers, dispatcher: keepAliveAgent });
+    },
   });
   cachedOpenAIKey = cacheKey;
 

src/common/package-info.ts

@@ -0,0 +1,3 @@
+import pkg from "../../package.json" with { type: "json" };
+export const APP_NAME: string = pkg.name || "@vegamo/deepcode-cli";
+export const APP_VERSION: string = pkg.version || "unknown";