feat: filter SMS routes by channel sensitive words

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

@@ -47,6 +47,29 @@ 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) => (
+              <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')}
+                </p>
+                {decision.snapshot.hits.map((hit) => (
+                  <p key={hit.channelId}>
+                    通道 {hit.channelName || hit.channelId}：命中 {hit.count} 个词，
+                    {hit.samples.map((sample) => `“${sample.word}”`).join('、')}
+                    {hit.count > hit.samples.length ? '（仅展示部分）' : ''}
+                  </p>
+                ))}
+              </div>
+            ))
+          ) : (
+            <p className="muted">{segmentLoading ? '加载中…' : '暂无通道敏感词选路记录'}</p>
+          )}
+        </section>
         <section aria-label="引流发送资格">
           <h3>引流发送资格</h3>
           {record.drainageGate ? (