Add period and cross-task interface compare for port traffic wall.

Compare by interface target_id with optional mapped baseline (same window or time-shifted), keep chart samples on target_row_id, and unify UI wording to interface.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/i18n/zh.ts

@@ -81,28 +81,47 @@ const zh = {
     delete: "删除",
     step1: "参数",
     step2: "选网元",
-    step3: "选端口",
+    step3: "选接口",
     step4: "确认",
     prev: "上一步",
     next: "下一步",
     fieldTitle: "任务名称",
     titlePh: "例如：接入侧上联",
     titleRequired: "请填写任务名称",
-    portsRequired: "请至少选择一个端口",
+    portsRequired: "请至少选择一个接口",
     interval: "周期（秒）",
     retention: "保留（天）",
+    retentionHintWizard: "若需上周同日对比，建议 ≥8 天",
     concurrency: "并发",
     startNow: "创建后立即启动",
     neKeywordPh: "名称 / IP / 厂商",
     selectedNe: "已选 {{count}} 台网元",
-    selectedPorts: "已选 {{count}} 个端口",
+    selectedPorts: "已选 {{count}} 个接口",
     pickNeFirst: "请先在上一步选择网元",
-    discover: "拉取端口",
+    discover: "拉取接口",
     confirmCreate: "创建任务",
     wallTask: "任务",
     wallPort: "接口",
+    wallDevice: "网元",
     pickPort: "选择接口",
     range: "时间范围",
+    compare: "周期对比",
+    compareOff: "关闭",
+    compareDay: "昨日同时刻",
+    compareWeek: "上周同日",
+    compareShift: "前一窗",
+    compareCustom: "自定义偏移",
+    offsetHours: "偏移（小时）",
+    baseline: "基线",
+    baselineAt: "基线原时刻",
+    seriesCurrentIn: "当前 In",
+    seriesCurrentOut: "当前 Out",
+    seriesBaselineIn: "基线 In",
+    seriesBaselineOut: "基线 Out",
+    mapBaselinePort: "映射基线接口",
+    mapBaselineTask: "映射基线任务",
+    mapBaselineNone: "不映射",
+    retentionHint: "周对比建议任务保留天数 ≥ 8；否则基线可能无数据。",
     collectNow: "立即采集",
     collectStarted: "已触发采集",
     collectBusy: "采集进行中",
@@ -114,17 +133,16 @@ const zh = {
     latestAt: "最新样点",
     hoverPoint: "光标位置",
     wallLiveTitle: "实时流量",
-    wallDevice: "设备",
     kpi: {
       tasks: "任务数",
       running: "运行中",
-      ports: "监控端口",
+      ports: "监控接口",
       samples24h: "24h 样点",
     },
     col: {
       title: "任务",
       status: "状态",
-      ports: "端口",
+      ports: "接口",
       interval: "周期",
       last: "最近采集",
       actions: "操作",