fix(rectification): keep one delivery and adopt with the birth date

Accept and GET now decide with the same birth snapshot as the answer, so an under-age probe cannot flip can_adopt. The exit skips a second write when this reply already delivered. The card stays without an adopt button when adoption is not allowed, and a refusal shows the Chinese sentence.

frontend/src/components/rectification-range-delivery.tsx

@@ -16,6 +16,7 @@ import {
 } from "@/lib/rectification-agentic/birth-time-provenance";
 import { RectificationVerificationReport } from "@/components/rectification-verification-report";
 import { RectificationSegmentDelivery } from "@/components/rectification-segment-delivery";
+import { sessionOutcomeAllowsAdopt } from "@/lib/rectification-agentic/core/rectification-decision";
 
 import { deliveryWindowFromReceipt, protectVargaReport } from "@/lib/rectification-agentic/v9/delivery-window";
 
@@ -41,6 +42,7 @@ export function RectificationRangeDelivery({
   const eventCount = delivery?.event_count ?? 0;
   const selected = result.selectedTime;
   const busy = Boolean(acceptingCandidateId) || readonly || adoptLocked;
+  const adoptAllowed = sessionOutcomeAllowsAdopt(result.sessionOutcome) && result.canAdopt === true;
   const columns = delivery?.columns ?? [];
   const rangeLabel = result.credibleIntervals?.length ? windowIntervalsLabel(result.credibleIntervals, result.declaredBirthDate)
     : range ? `${range[0]}–${range[1]}` : null;
@@ -69,7 +71,7 @@ export function RectificationRangeDelivery({
   if (delivery && (delivery.product_delivery || delivery.segment_summary)) {
     return <RectificationSegmentDelivery summary={delivery.segment_summary ?? null} delivery={delivery} rangeLabel={rangeLabel}
       selection={result.segmentSelection} resultId={result.resultId} busy={Boolean(busy)} accepting={Boolean(acceptingCandidateId)} onAccept={onAccept}
-      adoptLocked={adoptLocked} markdown={markdown}
+      adoptLocked={adoptLocked} markdown={markdown} canAdopt={adoptAllowed}
       candidateDate={result.candidates.find((candidate) => candidate.candidateId === delivery.representative_candidate_id)?.candidate_date} />;
   }
 
@@ -125,7 +127,7 @@ export function RectificationRangeDelivery({
               className={`rectification-range-delivery__column${adopted ? " is-adopted" : ""}`}
             >
               <div className="rectification-range-delivery__time">{candidateDate ? `${candidateDate}${relativeDay} ${column.time}` : column.time}</div>
-              {candidateDate ? <p className="rectification-range-delivery__muted">采用后，排盘使用这一日期和时间；原填报日期保留。</p> : null}
+              {adoptAllowed && !adoptLocked && candidateDate ? <p className="rectification-range-delivery__muted">采用后，排盘使用这一日期和时间；原填报日期保留。</p> : null}
               {showPercents ? (
                 <p className="rectification-range-delivery__likelihood">
                   {RECTIFICATION_USER_COPY.rangeDeliveryRelativeLikelihood}
@@ -152,25 +154,31 @@ export function RectificationRangeDelivery({
                   <p>{column.window_line}</p>
                 </>
               )}
-              <button
-                type="button"
-                className="rectification-range-delivery__accept"
-                aria-pressed={adopted}
-                disabled={busy || adopted}
-                onClick={() => onAccept(column.candidate_id)}
-              >
-                {adopting
-                  ? RECTIFICATION_USER_COPY.rangeDeliveryAdopting
-                  : adopted
-                    ? RECTIFICATION_USER_COPY.rangeDeliveryAdopted
-                    : recordConflict
-                      ? SWITCH_TO_RECTIFIED_LABEL
-                      : RECTIFICATION_USER_COPY.rangeDeliveryMoreLikeThis}
-              </button>
-              {recordConflict && !adopted ? (
-                <p className="rectification-range-delivery__switch-note">
-                  {switchToRectifiedConfirmCopy(recordConflict.reported_time, column.time)}
-                </p>
+              {adoptAllowed && !adoptLocked ? (
+                <>
+                  <button
+                    type="button"
+                    className="rectification-range-delivery__accept"
+                    aria-pressed={adopted}
+                    disabled={busy || adopted}
+                    onClick={() => onAccept(column.candidate_id)}
+                  >
+                    {adopting
+                      ? RECTIFICATION_USER_COPY.rangeDeliveryAdopting
+                      : adopted
+                        ? RECTIFICATION_USER_COPY.rangeDeliveryAdopted
+                        : recordConflict
+                          ? SWITCH_TO_RECTIFIED_LABEL
+                          : RECTIFICATION_USER_COPY.rangeDeliveryMoreLikeThis}
+                  </button>
+                  {recordConflict && !adopted ? (
+                    <p className="rectification-range-delivery__switch-note">
+                      {switchToRectifiedConfirmCopy(recordConflict.reported_time, column.time)}
+                    </p>
+                  ) : null}
+                </>
+              ) : adopted ? (
+                <p className="rectification-range-delivery__muted">{RECTIFICATION_USER_COPY.rangeDeliveryAdopted}</p>
               ) : null}
             </li>
           );

frontend/src/components/rectification-segment-delivery.tsx

@@ -8,7 +8,7 @@ import { RectificationVerificationReport } from "@/components/rectification-veri
 import { protectVargaReport } from "@/lib/rectification-agentic/v9/delivery-window";
 import { unknownProductDeliveryCopy } from "@/lib/rectification-agentic/v9/product-delivery";
 
-export function RectificationSegmentDelivery({ summary, delivery, rangeLabel, selection, resultId, busy, accepting, onAccept, adoptLocked, markdown, candidateDate }: Readonly<{
+export function RectificationSegmentDelivery({ summary, delivery, rangeLabel, selection, resultId, busy, accepting, onAccept, adoptLocked, markdown, candidateDate, canAdopt = false }: Readonly<{
   summary: SegmentSummary | null;
   delivery: RangeDeliveryProjection;
   rangeLabel: string | null;
@@ -20,6 +20,7 @@ export function RectificationSegmentDelivery({ summary, delivery, rangeLabel, se
   adoptLocked?: boolean;
   markdown?: string | null;
   candidateDate?: string;
+  canAdopt?: boolean;
 }>) {
   const adoption = summary?.adoption_minute;
   const candidateId = delivery.representative_candidate_id;
@@ -33,6 +34,7 @@ export function RectificationSegmentDelivery({ summary, delivery, rangeLabel, se
   const charts = summary?.charts.filter((chart) => chart.tier !== "blocked") ?? [];
   const blocked = summary?.charts.some((chart) => chart.tier === "blocked") === true;
   const reportBlocked = !summary || blocked;
+  const showAdopt = Boolean(canAdopt && adoption && candidateId && !adoptLocked);
   return (
     <section className="rectification-candidates rectification-range-delivery" aria-label="生时校正盘型">
       <div className="rectification-candidates-heading"><strong>用哪张盘解读</strong></div>
@@ -52,10 +54,10 @@ export function RectificationSegmentDelivery({ summary, delivery, rangeLabel, se
       {summary && !summary.scan_complete ? <p className="rectification-range-delivery__muted">完整窗口扫描暂不可用；候选盘型不能证明全窗一致。{candidateDate ? `候选代表日期 ${candidateDate}；原填报日期保留。` : ""}</p> : null}
       {adoptLocked ? <p className="rectification-range-delivery__narrow">{RECTIFICATION_USER_COPY.rangeDeliveryAdoptLocked}</p> : null}
       {delivery.provenance_line ? <p className="rectification-range-delivery__provenance">{delivery.provenance_line}</p> : null}
-      {adoption && candidateId ? (
+      {showAdopt && adoption && candidateId ? (
         <>
           <p className="rectification-range-delivery__muted">采用后按 {adoption.date ? `${adoption.date} ` : ""}{adoption.time} 排盘；原填报资料保留。</p>
-          <button type="button" className="rectification-range-delivery__accept" disabled={busy || adoptLocked || adopted}
+          <button type="button" className="rectification-range-delivery__accept" disabled={busy || adopted}
             aria-pressed={adopted} onClick={() => onAccept(candidateId)}>
             {accepting ? RECTIFICATION_USER_COPY.rangeDeliveryAdopting : adopted ? RECTIFICATION_USER_COPY.rangeDeliveryAdopted
               : readopt && priorAdoption ? `改用 ${readopt}`
@@ -70,6 +72,8 @@ export function RectificationSegmentDelivery({ summary, delivery, rangeLabel, se
             </p>
           ) : null}
         </>
+      ) : adopted ? (
+        <p className="rectification-range-delivery__muted">{RECTIFICATION_USER_COPY.rangeDeliveryAdopted}</p>
       ) : null}
       <p className="rectification-range-delivery__boundary">{delivery.boundary || REPRESENTATIVE_MINUTE_DISCLAIMER}</p>
       <RectificationVerificationReport markdown={protectVargaReport(markdown === undefined ? delivery.verification_markdown : markdown, reportBlocked, delivery.product_delivery?.targets ?? summary?.targets,