feat(m10): add audit retention policy configuration

web/delivery-platform-ui/src/views/AuditRetentionView.vue

@@ -0,0 +1,51 @@
+<script setup>
+import { ref, onMounted } from 'vue'
+import { ElMessage } from 'element-plus'
+
+const STORAGE_KEY = 'craftlabs_audit_retention'
+const retentionDays = ref(365)
+const autoCleanup = ref(false)
+
+onMounted(() => {
+  try {
+    const saved = localStorage.getItem(STORAGE_KEY)
+    if (saved) {
+      const cfg = JSON.parse(saved)
+      retentionDays.value = cfg.retentionDays ?? 365
+      autoCleanup.value = cfg.autoCleanup ?? false
+    }
+  } catch {}
+})
+
+function handleSave() {
+  localStorage.setItem(STORAGE_KEY, JSON.stringify({
+    retentionDays: retentionDays.value,
+    autoCleanup: autoCleanup.value,
+  }))
+  ElMessage.success('保存成功')
+}
+</script>
+
+<template>
+  <el-card shadow="never" style="max-width:600px">
+    <template #header>
+      <span class="title">审计留存策略</span>
+    </template>
+    <el-form label-width="140px">
+      <el-form-item label="留存天数">
+        <el-input-number v-model="retentionDays" :min="30" :max="3650" :step="30" style="width:200px" />
+      </el-form-item>
+      <el-form-item label="自动清理">
+        <el-switch v-model="autoCleanup" />
+        <span style="margin-left:8px;color:#999;font-size:0.85em">{{ autoCleanup ? '启用后系统将自动清理超过留存天数的审计日志' : '关闭' }}</span>
+      </el-form-item>
+      <el-form-item>
+        <el-button type="primary" @click="handleSave">保存配置</el-button>
+      </el-form-item>
+    </el-form>
+  </el-card>
+</template>
+
+<style scoped>
+.title { font-weight: 600; font-size: 16px; }
+</style>