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/constants/queryKeys.ts

@@ -65,4 +65,11 @@ export const queryKeys = {
   portTrafficTargets: (taskId: string) => ["portTrafficTargets", taskId] as const,
   portTrafficSamples: (targetId: string, rangeHours: number) =>
     ["portTrafficSamples", targetId, rangeHours] as const,
+  portTrafficCompare: (
+    targetId: string,
+    rangeHours: number,
+    baseline: string,
+    offsetHours: number,
+    baselineTargetId: string,
+  ) => ["portTrafficCompare", targetId, rangeHours, baseline, offsetHours, baselineTargetId] as const,
 };