Function genStream

genStream(
prompt: string,
options?: GenStreamOptions,
): AsyncGenerator<string, void, undefined>
Stream text from an LLM in a single call.
Parameters
- prompt: string
  User prompt
- Optionaloptions: GenStreamOptions
  Optional configuration
Returns AsyncGenerator<string, void, undefined>
Async generator of text chunks
Example
```
// Basic streaming
for await (const chunk of genStream("Tell me a story")) {
  process.stdout.write(chunk);
}

// With options
for await (const chunk of genStream("Write a poem", {
  system: "You are a poet",
  model: "claude-sonnet-4-20250514",
})) {
  process.stdout.write(chunk);
}
```
- Defined in core/shortcuts.ts:144