feat: 风险规则缓刑天数可配置

- DRATIO/RATIO 编辑区域增加缓刑天数输入框
- 规则摘要和卡片头部的缓刑天数文案改为动态读取 graceDays 字段
- DRATIO 预设模板增加 graceDays: 7 默认值
- 不填时默认7天，向后兼容

web/src/views/RiskRules.vue

@@ -99,7 +99,7 @@
                 <span v-else-if="rule.type==='EXEMPT'" class="rule-fixed-text">永久保留 ≥ {{ rankDisplay(rule.permRank) }} / 封存豁免 ≥ {{ rankDisplay(rule.sealExemptRank) }}</span>
                 <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 :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' + (rule.graceDays || 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">
@@ -139,6 +139,12 @@
                 <el-button size="small" text type="primary" @click="addDRatioLevel(rule)" style="align-self:flex-start">
                   <el-icon style="margin-right:2px"><Plus /></el-icon>添加等级
                 </el-button>
+                <!-- 缓刑天数 -->
+                <div class="field-row" style="margin-top:4px">
+                  <span class="field-label">缓刑天数</span>
+                  <el-input v-model.number="rule.graceDays" size="small" type="number" placeholder="天数" @input="sync" style="width:100px" />
+                  <span class="field-hint">天（不填则默认7天）</span>
+                </div>
               </template>
 
               <!-- EXEMPT 等级豁免 -->
@@ -173,9 +179,15 @@
                 <div class="field-row">
                   <span class="field-label">阈值</span>
                   <el-input v-model.number="rule.threshold" size="small" type="number" placeholder="阈值" @input="sync" style="width:120px" />
-                  <span v-if="rule.type==='RATIO'" class="field-hint">（低于此分享率则降级至Peasant，7天缓刑后封号/删除账号）</span>
+                  <span v-if="rule.type==='RATIO'" class="field-hint">（低于此分享率则降级至Peasant，缓刑后封号/删除账号）</span>
                   <span v-else class="field-hint">{{ rule.unit || '' }}</span>
                 </div>
+                <!-- RATIO 缓刑天数 -->
+                <div v-if="rule.type==='RATIO'" class="field-row" style="margin-top:4px">
+                  <span class="field-label">缓刑天数</span>
+                  <el-input v-model.number="rule.graceDays" size="small" type="number" placeholder="天数" @input="sync" style="width:100px" />
+                  <span class="field-hint">天（不填则默认7天）</span>
+                </div>
               </template>
             </div>
           </div>
@@ -283,7 +295,7 @@ const presets = [
   // 新人考核
   { name:'新人考核',           type:'TASK', threshold:30, unit:'天', description:'新注册用户需在考核周期内完成各项要求' },
   // 分享率
-  { name:'分享率',         type:'DRATIO', levels:[{threshold:0,ratio:1.0}], description:'下载量>0时，分享率<1.0即封号（缓刑7天）' },
+  { name:'分享率',         type:'DRATIO', graceDays: 7, levels:[{threshold:0,ratio:1.0}], description:'下载量>0时，分享率<1.0即封号（缓刑7天）' },
   // 等级豁免
   { name:'等级豁免',           type:'EXEMPT', permRank:'Elite User', sealExemptRank:'Power User', description:'达到等级的账号可豁免清理' },
 ]
@@ -351,11 +363,13 @@ const ruleText = (r) => {
     return `无流量且未登录：${val} → <span style="color:#f56c6c;font-weight:500">封号/删除账号</span>${appText}`
   }
   if (r.type === 'DRATIO') {
+    const grace = r.graceDays != null ? `（缓刑${r.graceDays}天）` : '（缓刑7天）'
     const levels = (r.levels||[]).map(l => `下载量≥${l.threshold}GB时分享率<${l.ratio}`).join('，')
-    return `分享率：${levels} → <span style="color:#e6a23c;font-weight:500">封号（缓刑7天）</span>${appText}`
+    return `分享率：${levels} → <span style="color:#e6a23c;font-weight:500">封号${grace}</span>${appText}`
   }
   if (r.type === 'RATIO') {
-    return `分享率：${val} → <span style="color:#e6a23c;font-weight:500">封号（缓刑7天）</span>${appText}`
+    const grace = r.graceDays != null ? `（缓刑${r.graceDays}天）` : '（缓刑7天）'
+    return `分享率：${val} → <span style="color:#e6a23c;font-weight:500">封号${grace}</span>${appText}`
   }
   return `${typeLabel(r.type)}：${val} → <span style="color:#f56c6c;font-weight:500">封号/删除账号</span>${appText}`
 }