tests/compat/expected/sse_split_tool_json.json

{
  "parts": [
    {"text": "{\"", "type": "text"},
    {"text": "tool_calls\":[{\"name\":\"read_file\",\"input\":{\"path\":\"README.MD\"}}]}", "type": "text"}
  ],
  "finished": false,
  "new_type": "text"
}