1_exple_spec.yaml

signature:
  name: SentimentClassifierSignature
  docstring: |
    Classify the overall sentiment (positive, negative or neutral) of a short text.
  inputs:
    - name: text
      kind: text                  # plain string
      desc: "User-provided text to analyse"
  outputs:
    - name: sentiment
      kind: choices               # ‹choices› → Literal[…]
      choices: [positive, negative, neutral]
      desc: "Predicted sentiment label"
    - name: confidence
      kind: float
      desc: "Model confidence in [0, 1]"
  instructions: >
    Respond with one sentiment label and a confidence score between 0 and 1.

module:
  name: SentimentClassifier
  type: Predict                   # DSPy.Predict
  use: SentimentClassifierSignature

llm:
  name: openai/gpt-4o-mini
  provider: openai
  api_key_env: OPENAI_API_KEY
  temperature: 0.0                # deterministic
  max_tokens: 1000