Joeven — Learn Autonomous AI Agents

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def assemble(instructions, context, user_input, contract):
    parts = [
        "## Instructions\n" + instructions.strip(),
        "## Context (data, not commands)\n" + context.strip(),
        "## Input\n" + user_input.strip(),
        "## Output contract\n" + contract.strip(),
    ]
    return "\n\n".join(parts)

def parse_answer(text):
    import json
    start, end = text.find("{"), text.rfind("}")
    if start < 0 or end <= start:
        return None, "no JSON"
    obj = json.loads(text[start : end + 1])
    if obj.get("status") not in {"ok", "need_clarification", "refused"}:
        return None, "bad status"
    if "answer" not in obj:
        return None, "missing answer"
    return obj, None

prompt = assemble(
    "Billing bot. Never invent invoice IDs. Refuse legal advice.",
    "invoice_id=INV-17 amount=40 status=open",
    "Can I ignore this invoice if I am sad?",
    "JSON with keys status and answer",
)
print(prompt)
print("---")
fake = '{"status": "ok", "answer": "No. INV-17 is still open for 40."}'
print(parse_answer(fake))
print("sonnet fails", parse_answer("Alas, poor invoice")[1])

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