置信度分流

%%{init: {"fontFamily": "Inter, sans-serif", "flowchart": {"rankSpacing": 35, "wrappingWidth": 300, "subGraphTitleMargin": {"top": 12, "bottom": 36}}}}%%
flowchart LR
    command["voice banking command"]

    subgraph req["TypeSafe evaluates<br/>the question"]
        intent["<b>Choice:</b> intent"]
    end

    command -- "one request<br/>command + intent<br/>question" --> req
    req -- "one response<br/>intent answer +<br/>confidence" --> gate{"<b>confidence high enough?</b><br/>your code"}
    gate red_low@-- "below 0.6<br/>or other intent" --> human["send to a support agent"]
    gate orange_balance@-- "check_balance<br/>at least 0.6" --> balance["show the balance"]
    gate yellow_confirm@-- "approve_transfer<br/>0.6 to 0.85" --> confirm["ask the user to confirm"]
    gate green_approve@-- "approve_transfer<br/>above 0.85" --> approve["approve the transfer"]
    %% Branch colours (styles.css): a confidence gradient, red -> orange -> yellow -> green.
    class human neonRed
    class balance neonOrange
    class confirm neonYellow
    class approve neonGreen

{
  "model": "jev-latest",
  "questions": {
    "intent": {
      "type": "choice",
      "instructions": "What action is the user requesting?",
      "criteria": {
        "check_balance": "Check the balance of an account",
        "approve_transfer": "Approve the pending transfer request",
        "other": "Something else"
      }
    }
  }
}

action = response.answers["intent"]

# Below 0.6 confidence on any action, route to a human
if action.confidence < 0.6:
    route_to_support_agent(account_id)

elif action.choice == "check_balance":
    # Low stakes. 0.6 confidence is sufficient.
    show_balance(account_id)

elif action.choice == "approve_transfer":
    if action.confidence > 0.85:
        # High stakes, but high confidence. Safe to act automatically.
        approve_transfer(account_id)
    else:
        # High stakes, moderate confidence. Verify intent first.
        ask_user_to_confirm("Just to confirm: you would like to approve this transfer, is that correct?")

else:
    route_to_support_agent(account_id)