Update README quickstart to use Responses API, bump to v0.7.1

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: tylergibbs1

README.md

@@ -33,9 +33,9 @@ bun add zod
 
 ```ts
 import { z } from "zod";
-import { Agent, AzureChatCompletionsModel, run, tool } from "stratus-sdk";
+import { Agent, AzureResponsesModel, run, tool } from "stratus-sdk";
 
-const model = new AzureChatCompletionsModel({
+const model = new AzureResponsesModel({
   endpoint: process.env.AZURE_OPENAI_ENDPOINT!,
   apiKey: process.env.AZURE_OPENAI_API_KEY!,
   deployment: "gpt-5.2",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "stratus-sdk",
-  "version": "0.7.0",
+  "version": "0.7.1",
   "type": "module",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",