fix: improve Azure API detection to support custom endpoints (RooCodeInc#2332)

* fix: improve Azure API detection to support custom endpoints

* chore: add changeset for Azure API version detection fix

Author: sagiwei

.changeset/nine-feet-attack.md

@@ -0,0 +1,5 @@
+---
+"claude-dev": patch
+---
+
+fixes an issue with Azure API version detection in the OpenAI provider

src/api/providers/openai.ts

@@ -15,7 +15,8 @@ export class OpenAiHandler implements ApiHandler {
 	constructor(options: ApiHandlerOptions) {
 		this.options = options
 		// Azure API shape slightly differs from the core API shape: https://github.com/openai/openai-node?tab=readme-ov-file#microsoft-azure-openai
-		if (this.options.openAiBaseUrl?.toLowerCase().includes("azure.com")) {
+		// Use azureApiVersion to determine if this is an Azure endpoint, since the URL may not always contain 'azure.com'
+		if (this.options.azureApiVersion || this.options.openAiBaseUrl?.toLowerCase().includes("azure.com")) {
 			this.client = new AzureOpenAI({
 				baseURL: this.options.openAiBaseUrl,
 				apiKey: this.options.openAiApiKey,