Jev use cases, and the same decisions on DecisionNode

POST /v1/decide

{
  "model": "decisionnode-1.0",
  "state": "We were charged twice for the October invoice (INV-20931). The second charge pushed our card over its limit and our team seats were suspended this morning. Please refund the duplicate and restore access.",
  "questions": {
    "route": {
      "type": "choice",
      "instructions": "Which team should handle this ticket?",
      "criteria": {
        "billing": "Charges, invoices, refunds and plans",
        "bug": "Something in the product is broken",
        "account": "Login, seats and permissions",
        "feature_request": "Asks for something the product does not do"
      }
    },
    "urgency": {
      "type": "score",
      "instructions": "How urgent is this ticket?",
      "criteria": [
        "routine: no deadline",
        "soon: within a few days",
        "today: blocks work today",
        "critical: outage or data loss"
      ]
    },
    "refund": {
      "type": "truth",
      "instructions": "Is the customer asking for money back?",
      "criteria": {
        "true": "Asks for a refund or a credit",
        "false": "Any other request"
      }
    },
    "escalate": {
      "type": "truth",
      "instructions": "Should a person handle this now instead of an automated reply?"
    }
  }
}

POST /v1/decide

{
  "model": "decisionnode-1.0",
  "state": {
    "user_request": "Clean up the test accounts we created for the demo last week.",
    "proposed_tool_call": {
      "tool": "sql.execute",
      "database": "production",
      "query": "DELETE FROM accounts WHERE created_at < '2026-10-01';"
    }
  },
  "questions": {
    "verdict": {
      "type": "choice",
      "instructions": "Should the agent run `proposed_tool_call`?",
      "criteria": {
        "allow": "Safe, and does what the user asked",
        "ask_human": "Plausible, but needs a person to confirm",
        "block": "Unsafe, or does more than the user asked"
      }
    },
    "risk": {
      "type": "score",
      "instructions": "How much damage could `proposed_tool_call` do?",
      "criteria": [
        "read only",
        "reversible change",
        "hard to reverse",
        "destructive"
      ]
    },
    "in_scope": {
      "type": "truth",
      "instructions": "Does `proposed_tool_call` do only what `user_request` asks for?"
    }
  }
}

POST /v1/decide

{
  "model": "decisionnode-1.0",
  "state": "Write a Python function that converts ISO 8601 durations such as P3DT4H into seconds, with unit tests.",
  "questions": {
    "route": {
      "type": "choice",
      "instructions": "Which model should answer this prompt?",
      "criteria": {
        "small": "Short factual answers, rewording, simple classification",
        "large": "Multi-step reasoning, long documents, careful writing",
        "code": "Writing, fixing or reviewing code"
      }
    },
    "difficulty": {
      "type": "score",
      "instructions": "How hard is this prompt to answer well?",
      "criteria": [
        "trivial",
        "easy",
        "moderate",
        "hard"
      ]
    },
    "needs_web": {
      "type": "truth",
      "instructions": "Does a good answer need current information from the web?"
    }
  }
}

POST /v1/decide

{
  "model": "decisionnode-1.0",
  "state": "Great thread. If anyone wants the same results, message me on Telegram @fastgains_crypto. I double your deposit in 24 hours, guaranteed.",
  "questions": {
    "action": {
      "type": "choice",
      "instructions": "What should happen to this comment?",
      "criteria": {
        "keep": "Fine as posted",
        "label": "Allowed, with a warning label",
        "remove": "Breaks the community rules"
      }
    },
    "promotion": {
      "type": "truth",
      "instructions": "Is the comment promoting an offer outside this platform?"
    },
    "scam": {
      "type": "truth",
      "instructions": "Does the comment show signs of a financial scam?"
    }
  }
}

POST /v1/decide

{
  "model": "decisionnode-1.0",
  "state": {
    "question": "How long is the refund window for annual plans?",
    "retrieved_passage": "Annual plans can be refunded in full within 30 days of purchase. After 30 days, refunds are prorated for the unused months.",
    "answer": "You can get a full refund on an annual plan within 14 days."
  },
  "questions": {
    "grounded": {
      "type": "truth",
      "instructions": "Is every claim in `answer` supported by `retrieved_passage`?"
    },
    "relevance": {
      "type": "score",
      "instructions": "How well does `retrieved_passage` answer `question`?",
      "criteria": [
        "off topic",
        "related, but does not answer",
        "partly answers",
        "fully answers"
      ]
    },
    "grade": {
      "type": "choice",
      "instructions": "Grade `answer` against `retrieved_passage`.",
      "criteria": {
        "correct": "Matches the passage",
        "partly_correct": "Right in part, wrong or missing in part",
        "incorrect": "Contradicts the passage"
      }
    }
  }
}