fix: enforce drainage uniqueness and carrier-specific reporting

src/apps/admin/sms-records/SendDetailModal.tsx

@@ -19,6 +19,9 @@ type SendDetailModalProps = {
 };
 
 export function SendDetailModal({ record, segmentAudits, segmentLoading, onClose }: SendDetailModalProps) {
+  const visibleWordDecisions = record.channelWordDecisions?.filter(
+    (decision) => decision.snapshot.hits.length > 0 || Boolean(decision.snapshot.reason),
+  );
   const routeRows = buildRouteRows(record, segmentAudits);
   const channelGroupNames = Array.from(new Set(routeRows.map((route) => route.channelGroup).filter(Boolean)));
   const orderedSegmentAudits = [...segmentAudits].sort((left, right) => {
@@ -47,15 +50,13 @@ export function SendDetailModal({ record, segmentAudits, segmentLoading, onClose
       }
     >
       <div className="admin-sms-send-detail">
-        <section aria-label="通道筛选原因">
-          <h3>通道筛选原因</h3>
-          {record.channelWordDecisions?.length ? (
-            record.channelWordDecisions.map((decision) => (
+        {visibleWordDecisions?.length ? (
+          <section aria-label="通道筛选原因">
+            <h3>通道筛选原因</h3>
+            {visibleWordDecisions.map((decision) => (
               <div key={decision.id}>
                 <p>
-                  {getTime(decision.decidedAt)} ·{' '}
-                  {decision.snapshot.reason ||
-                    (decision.snapshot.hits.length ? '已排除命中通道，按剩余候选选路' : '候选通道未命中通道敏感词')}
+                  {getTime(decision.decidedAt)} · {decision.snapshot.reason || '已排除命中通道，按剩余候选选路'}
                 </p>
                 {decision.snapshot.hits.map((hit) => (
                   <p key={hit.channelId}>
@@ -65,11 +66,9 @@ export function SendDetailModal({ record, segmentAudits, segmentLoading, onClose
                   </p>
                 ))}
               </div>
-            ))
-          ) : (
-            <p className="muted">{segmentLoading ? '加载中…' : '暂无通道敏感词选路记录'}</p>
-          )}
-        </section>
+            ))}
+          </section>
+        ) : null}
         <section aria-label="引流发送资格">
           <h3>引流发送资格</h3>
           {record.drainageGate ? (