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qanary-component-helpers/llm-provider

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qanary-component-helpers/llm-provider

Section titled “qanary-component-helpers/llm-provider”
  • Package: @leipzigtreechat/qanary-component-helpers
  • Source file: packages/qanary-component-helpers/src/llm-provider.ts

Summary

Section titled “Summary”

Environment variables controlling the LLM backend for all Qanary components:

OPENROUTER_API_KEY – API key for OpenRouter (required at call time) LLM_MODEL – model slug understood by OpenRouter (default: “deepseek/deepseek-v3.2”)

Swap provider or model at runtime without touching source code — just change the env vars in your .env file or execution environment.

Security note: the API key is read lazily (only when a model is requested) and is never stored in a variable that outlives the factory call, mirroring the spirit of Effect’s Redacted pattern used in the chatbot package. It is intentionally never logged or included in error messages.

Functions

Section titled “Functions”

getLlmModel

Section titled “getLlmModel”
function getLlmModel(): LanguageModel

Returns a configured LanguageModel instance ready for use with the Vercel AI SDK (generateText, generateObject, …).

Throws a descriptive error when OPENROUTER_API_KEY is absent so components fail fast and clearly on misconfiguration rather than producing cryptic downstream errors.

Returns

  • LanguageModel Examples
import { getLlmModel } from "@leipzigtreechat/qanary-component-helpers";
import { generateObject } from "ai";


const { object } = await generateObject({
  model: getLlmModel(),
  schema: MySchema,
  prompt: "...",
});

Defined at: line 42

Constants

Section titled “Constants”

DEFAULT_MODEL

Section titled “DEFAULT_MODEL”
const DEFAULT_MODEL: string

Environment variables controlling the LLM backend for all Qanary components:

OPENROUTER_API_KEY – API key for OpenRouter (required at call time) LLM_MODEL – model slug understood by OpenRouter (default: “deepseek/deepseek-v3.2”)

Swap provider or model at runtime without touching source code — just change the env vars in your .env file or execution environment.

Security note: the API key is read lazily (only when a model is requested) and is never stored in a variable that outlives the factory call, mirroring the spirit of Effect’s Redacted pattern used in the chatbot package. It is intentionally never logged or included in error messages.

Defined at: line 20

In qanary-component-helpers

Section titled “In qanary-component-helpers”