feat: add custom User-Agent header for debugging

Author: hannesrudolph

src/api/providers/openai-native.ts

@@ -3,6 +3,7 @@ import { v7 as uuidv7 } from "uuid"
 import { Anthropic } from "@anthropic-ai/sdk"
 import OpenAI from "openai"
 
+import { Package } from "../../shared/package"
 import {
 	type ModelInfo,
 	openAiNativeDefaultModelId,
@@ -83,12 +84,14 @@ export class OpenAiNativeHandler extends BaseProvider implements SingleCompletio
 		}
 		const apiKey = this.options.openAiNativeApiKey ?? "not-provided"
 		// Include originator, session_id, and User-Agent headers for API tracking and debugging
+		const userAgent = `roo-code/${Package.version} (${os.platform()} ${os.release()}; ${os.arch()}) node/${process.version.slice(1)}`
 		this.client = new OpenAI({
 			baseURL: this.options.openAiNativeBaseUrl,
 			apiKey,
 			defaultHeaders: {
 				originator: "roo-code",
 				session_id: this.sessionId,
+				"User-Agent": userAgent,
 			},
 		})
 	}
@@ -406,9 +409,11 @@ export class OpenAiNativeHandler extends BaseProvider implements SingleCompletio
 
 		// Build per-request headers using taskId when available, falling back to sessionId
 		const taskId = metadata?.taskId
+		const userAgent = `roo-code/${Package.version} (${os.platform()} ${os.release()}; ${os.arch()}) node/${process.version.slice(1)}`
 		const requestHeaders: Record<string, string> = {
 			originator: "roo-code",
 			session_id: taskId || this.sessionId,
+			"User-Agent": userAgent,
 		}
 
 		try {
@@ -550,6 +555,7 @@ export class OpenAiNativeHandler extends BaseProvider implements SingleCompletio
 
 		// Build per-request headers using taskId when available, falling back to sessionId
 		const taskId = metadata?.taskId
+		const userAgent = `roo-code/${Package.version} (${os.platform()} ${os.release()}; ${os.arch()}) node/${process.version.slice(1)}`
 
 		try {
 			const response = await fetch(url, {
@@ -560,6 +566,7 @@ export class OpenAiNativeHandler extends BaseProvider implements SingleCompletio
 					Accept: "text/event-stream",
 					originator: "roo-code",
 					session_id: taskId || this.sessionId,
+					"User-Agent": userAgent,
 				},
 				body: JSON.stringify(requestBody),
 				signal: this.abortController.signal,