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/en.ts

@@ -81,28 +81,47 @@ const en = {
     delete: "Delete",
     step1: "Params",
     step2: "NEs",
-    step3: "Ports",
+    step3: "Interfaces",
     step4: "Confirm",
     prev: "Back",
     next: "Next",
     fieldTitle: "Task name",
     titlePh: "e.g. Access uplinks",
     titleRequired: "Task name is required",
-    portsRequired: "Select at least one port",
+    portsRequired: "Select at least one interface",
     interval: "Interval (sec)",
     retention: "Retention (days)",
+    retentionHintWizard: "Use ≥8 days for week-over-week compare",
     concurrency: "Concurrency",
     startNow: "Start after create",
     neKeywordPh: "Name / IP / vendor",
     selectedNe: "{{count}} NE(s) selected",
-    selectedPorts: "{{count}} port(s) selected",
+    selectedPorts: "{{count}} interface(s) selected",
     pickNeFirst: "Select NEs in the previous step first",
-    discover: "Discover ports",
+    discover: "Discover interfaces",
     confirmCreate: "Create task",
     wallTask: "Task",
     wallPort: "Interface",
+    wallDevice: "Device",
     pickPort: "Select interface",
     range: "Range",
+    compare: "Compare",
+    compareOff: "Off",
+    compareDay: "Yesterday (same TOD)",
+    compareWeek: "Last week (same weekday)",
+    compareShift: "Previous window",
+    compareCustom: "Custom offset",
+    offsetHours: "Offset (hours)",
+    baseline: "Baseline",
+    baselineAt: "Baseline time",
+    seriesCurrentIn: "Current In",
+    seriesCurrentOut: "Current Out",
+    seriesBaselineIn: "Baseline In",
+    seriesBaselineOut: "Baseline Out",
+    mapBaselinePort: "Mapped baseline interface",
+    mapBaselineTask: "Mapped baseline task",
+    mapBaselineNone: "None",
+    retentionHint: "Week compare needs retention_days ≥ 8 or the baseline may be empty.",
     collectNow: "Collect now",
     collectStarted: "Collect triggered",
     collectBusy: "Collect already running",
@@ -114,17 +133,16 @@ const en = {
     latestAt: "Latest sample",
     hoverPoint: "Cursor",
     wallLiveTitle: "Live traffic",
-    wallDevice: "Device",
     kpi: {
       tasks: "Tasks",
       running: "Running",
-      ports: "Ports",
+      ports: "Interfaces",
       samples24h: "Samples 24h",
     },
     col: {
       title: "Task",
       status: "Status",
-      ports: "Ports",
+      ports: "Interfaces",
       interval: "Interval",
       last: "Last collect",
       actions: "Actions",