fix(analytics): 敏感词页单字预览提示+文案耦合注释+处置按钮状态统一

Co-Authored-By: Claude Code <noreply@anthropic.com>

yunkes/src/views/analytics/SensitiveView.vue

@@ -20,8 +20,7 @@
           </el-select>
           <el-button
             type="primary"
-            :disabled="!selectedHits.length"
+            :disabled="!selectedHits.length || disposing"
-            :loading="disposing"
             @click="disposeSelected('confirmed')"
           >
             确认
@@ -336,7 +335,12 @@ async function previewStage(word: string, excludeWords: string[]): Promise<boole
     prev = await previewWord({ word, exclude_words: excludeWords })
   } catch (e) {
     const msg = e instanceof Error ? e.message : String(e)
-    if (msg.includes('单字') || msg.includes('不做预览')) return true // 分支①
+    // 分支①:文案与 yunke-server app/analytics/sensitive/words.py 单字拒扫
+    // ValueError 的固定措辞耦合——后端改措辞需同步这里的关键词
+    if (msg.includes('单字') || msg.includes('不做预览')) {
+      ElMessage.info('单字词不做预览，已直接添加——生效后从命中列表观察')
+      return true
+    }
     throw e
   }
   if (prev.warn) {