Morph v3 Fast Apply

curl https://api.routerplus.com/v1/chat/completions \
  -H "Authorization: Bearer $TM_API_KEY" -H "content-type: application/json" \
  -d '{"model":"morph/morph-v3-fast",
       "messages":[{"role":"user","content":"<instruction>Add an optional third number</instruction>\n<code>def total(a, b):\n    return a + b</code>\n<update>def total(a, b, c=0):\n    # ... existing code ...\n    return a + b + c</update>"}]}'
# choices[0].message.content is the whole merged file

# OpenAI SDK — only the base URL changes. Fast Apply: instruction, original code, edit.
import os
from openai import OpenAI
client = OpenAI(base_url="https://api.routerplus.com/v1", api_key=os.environ["TM_API_KEY"])
r = client.chat.completions.create(model="morph/morph-v3-fast",
  messages=[{"role": "user", "content": "<instruction>Add an optional third number</instruction>\n<code>def total(a, b):\n    return a + b</code>\n<update>def total(a, b, c=0):\n    # ... existing code ...\n    return a + b + c</update>"}])
merged = r.choices[0].message.content  # the whole merged file

import OpenAI from "openai";

const client = new OpenAI({ baseURL: "https://api.routerplus.com/v1", apiKey: process.env.TM_API_KEY });
const r = await client.chat.completions.create({ model: "morph/morph-v3-fast",
  messages: [{ role: "user", content: "<instruction>Add an optional third number</instruction>\n<code>def total(a, b):\n    return a + b</code>\n<update>def total(a, b, c=0):\n    # ... existing code ...\n    return a + b + c</update>" }] });
const merged = r.choices[0].message.content;  // the whole merged file