fix(rectification): stop yearless ungrounded varga contrast from minting cards

Only sign-bound varga_style questions may omit a concrete period. Remaining-layer existence and quality probes now drop as yearless_ungrounded_contrast instead of scoring by group order.

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/rectification/probe_question_contract.py

@@ -34,6 +34,9 @@ LABEL_MAX = 80
 _FORBIDDEN = FORBIDDEN_COPY_TOKENS
 _CLOCK = re.compile(r"(?:[01]?\d|2[0-3]):[0-5]\d")
 _ANSWER_CLASS_SUFFIX = re.compile(r"·(?:yes|weak_yes|no|unsure)$")
+_PLACEHOLDER_PERIOD = re.compile(r"^(当前这几个候选|那段时间)$")
+_CONCRETE_YEAR = re.compile(r"(?:19|20)\d{2}")
+YEARLESS_PERIOD_COPY_MARKERS = ("时间吻合", "这段")
 _CONTRACT_PATH = Path(__file__).resolve().parents[2] / "contracts" / "probe-question-v1.json"
 
 
@@ -217,4 +220,43 @@ def is_renderable_probe(probe: dict[str, Any]) -> ProbeRenderOk | ProbeRenderErr
     completed = complete_style_options(probe.get("choice_kind"), probe.get("style_options"))
     if not completed.get("ok"):
         return {"ok": False, "reason": str(completed.get("reason") or "not_renderable")}
+    kind = probe_question_kind(probe.get("choice_kind"))
+    options = completed.get("options") or []
+    concrete = False if kind == "varga_style" else _probe_has_concrete_period(probe)
+    if not concrete and not _can_render_yearless_choice(kind, options):
+        return {"ok": False, "reason": "yearless_ungrounded_contrast"}
     return {"ok": True}
+
+
+def _probe_has_concrete_period(probe: dict[str, Any]) -> bool:
+    year = probe.get("year") or 0
+    if not isinstance(year, (int, float)) or year <= 0:
+        return False
+    label = str(probe.get("year_label") or probe.get("yearLabel") or "").strip()
+    if not label:
+        return True
+    if _PLACEHOLDER_PERIOD.match(label):
+        return False
+    return bool(_CONCRETE_YEAR.search(label))
+
+
+def _can_render_yearless_choice(kind: str, options: Sequence[dict[str, str]]) -> bool:
+    if kind != "varga_style":
+        return False
+    by_class = {item.get("answer_class"): item for item in options}
+    yes = by_class.get("yes") or {}
+    weak_yes = by_class.get("weak_yes") or {}
+    none = by_class.get("no") or {}
+    if not str(yes.get("sign") or "").strip() or not str(weak_yes.get("sign") or "").strip():
+        return False
+    if str(none.get("sign") or "").strip():
+        signed = True
+    else:
+        signed = none.get("label") == VARGA_NONE_STYLE_OPTION["label"]
+    if not signed:
+        return False
+    return not any(
+        marker in str(item.get("label") or "")
+        for item in options
+        for marker in YEARLESS_PERIOD_COPY_MARKERS
+    )