refactor: make applicable condition a read-only tag in card header

Applicable is preset-defined, not editable on card

Shown as grey tag after action label: \u5c01\u53f7/\u5220\u9664\u8d26\u53f7 (\u975e\u5c01\u5b58\u8d26\u53f7)

Remove applicable dropdown from card body, onApplicableChange handler

web/src/views/RiskRules.vue

@@ -92,6 +92,7 @@
                 <span v-else class="rule-fixed-text">{{ metricLabel(rule.metric) }} {{ condLabel(rule.condition) }} {{ rule.threshold }}{{ rule.unit || '' }}</span>
                 <span class="then-arrow" :style="rule.type==='EXEMPT'?'color:#67c23a':rule.type==='RATIO'||rule.type==='DRATIO'?'color:#e6a23c':''">→</span>
                 <span :style="{fontWeight:'600',fontSize:'13px',color:rule.type==='EXEMPT'?'#67c23a':rule.type==='RATIO'||rule.type==='DRATIO'?'#e6a23c':'#f56c6c'}">{{ rule.type==='EXEMPT' ? '保号' : rule.type==='RATIO'||rule.type==='DRATIO' ? '封号（缓刑7天）' : '封号/删除账号' }}</span>
+                <span v-if="rule.applicable" class="applicable-tag">{{ applicableLabel(rule.applicable) }}</span>
               </div>
               <div class="card-header-right">
                 <span class="rule-index">#{{ idx + 1 }}</span>
@@ -163,15 +164,6 @@
                   <span v-else class="field-hint">{{ rule.unit || '' }}</span>
                 </div>
               </template>
-
-              <!-- 适用条件（通用） -->
-              <div class="field-row">
-                <span class="field-label">适用条件</span>
-                <el-select v-model="rule.applicable" size="small" @change="onApplicableChange(rule)" placeholder="无条件（始终适用）" style="width:200px">
-                  <el-option value="" label="无条件" />
-                  <el-option v-for="x in applicableOptions" :key="x.value" :label="x.label" :value="x.value" />
-                </el-select>
-              </div>
             </div>
           </div>
         </div>
@@ -260,16 +252,7 @@ const taskReqDefaults = [
   { metric:'avg_seed_time', label:'平均做种时间', threshold:24,   unit:'小时', condition:'GTE', enabled:true },
 ]
 
-const onApplicableChange = (rule) => {
-  const key = `${rule.type}|${rule.applicable||''}`
-  if (parsed.value.some(r => r !== rule && `${r.type}|${r.applicable||''}` === key)) {
-    ElMessage.warning('同类型+适用条件的规则已存在')
-    rule.applicable = ''
-    sync()
-    return
-  }
-  sync()
-}
+const applicableLabel = (v) => applicableOptions.find(x => x.value === v)?.label || v
 
 // ============ 预设规则模板 ============
 const presets = [
@@ -320,7 +303,7 @@ const sortedRules = computed(() => {
 })
 
 const ruleText = (r) => {
-  const appText = r.applicable ? `（${applicableOptions.find(x=>x.value===r.applicable)?.label||r.applicable}）` : ''
+  const appText = r.applicable ? `（${applicableLabel(r.applicable)}）` : ''
   if (r.type === 'EXEMPT') {
     return `等级豁免：永久保留 ≥ ${rankDisplay(r.permRank)}、封存豁免 ≥ ${rankDisplay(r.sealExemptRank)} → <span style="color:#67c23a;font-weight:500">保号</span>`
   }
@@ -447,6 +430,7 @@ onMounted(fetchAll)
 .card-body { padding: 6px 12px 10px 12px; display: flex; flex-direction: column; gap: 6px; }
 .rule-fixed-text { font-size: 13px; color: #303133; }
 .type-tag { font-size: 12px; color: #303133; font-weight: 500; }
+.applicable-tag { font-size: 11px; color: #909399; margin-left: 2px; }
 
 .field-row { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 13px; }
 .field-label { font-weight: 500; color: #606266; font-size: 12px; min-width: 56px; }