Fix empty BGP route false positives and add batch alias UX.

Skip Dest/Network headers when Total routes is 0; capture direction from match groups; expose workbook compare/data/sheet stats and prefer batch aliases in compare/cutover pickers.

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

web/src/i18n/en.ts

@@ -215,6 +215,12 @@ const en = {
     unmarkBaseline: "Unmark baseline",
     baseline: "Baseline",
     protected: "Protected",
+    colAlias: "Alias",
+    setAlias: "Set alias",
+    aliasPrompt: "Batch alias (preferred in compare/cutover pickers; empty clears)",
+    aliasSaved: "Alias saved",
+    aliasEmpty: "Untitled",
+    workbookStats: "Compare {{compare}} · With data {{withData}} · Sheets {{sheets}}",
     deleteBatch: "Delete",
     bulkDelete: "Bulk delete",
     confirmDeleteBatch: "Delete this batch? Protected batches cannot be deleted.",