Fix/storage retention cleanup (#2159)

* fix: add storage retention cleanup

* fix: prune completed tasks on completion

* fix: complete storage analysis i18n

web/src/i18n/locales/zh-Hans.ts

@@ -1171,6 +1171,31 @@ const zhHans = {
       feedback: '用户反馈',
     },
   },
+  storageAnalysis: {
+    title: '存储分析',
+    description: '查看存储占用和可清理文件',
+    openDialog: '查看分析',
+    dialogTitle: '存储分析',
+    generatedAt: '生成时间 {{time}}',
+    loading: '加载中...',
+    refresh: '刷新',
+    totalSize: '总占用',
+    binaryStorage: '插件二进制存储',
+    uploadCleanup: '过期上传文件',
+    logCleanup: '过期日志',
+    sections: '存储分区',
+    monitoringTables: '监控表',
+    runtimeTasks: '运行任务',
+    sectionNames: {
+      database: '数据库',
+      logs: '日志',
+      storage: '上传文件',
+      vector_store: '向量库',
+      plugins: '插件',
+      mcp: 'MCP',
+      temp: '临时文件',
+    },
+  },
   limitation: {
     maxBotsReached:
       '已达到机器人数量上限（{{max}}个）。请先删除已有机器人后再创建新的。',