def evidence_questions(passage_ids: list[str]) -> dict:
    questions = {
        "answerable": Noul(...),   # enough evidence here to answer faithfully?
        "coverage":   Score(...),  # 0–3 rubric over the whole set
        "conflict":   Noul(...),   # do the passages disagree with each other?
    }
    for pid in passage_ids:
        questions[f"relevant::{pid}"]    = Noul(...)
        questions[f"evidence::{pid}"]    = Noul(...)
        questions[f"contradicts::{pid}"] = Noul(...)  # vs the user's premise
        questions[f"injection::{pid}"]   = Noul(...)  # prompt-injection risk
    return questions