fix(export): name query result exports after result tab

apps/desktop/src/components/layout/ContentArea.vue

@@ -171,6 +171,7 @@ import { elasticsearchJsonResponseForResult } from "@/lib/elasticsearch/elastics
 import { elasticsearchProfileBodyForResult, parseElasticsearchProfile } from "@/lib/elasticsearch/elasticsearchProfile";
 import * as api from "@/lib/backend/api";
 import type { SqlInsertMode } from "@/lib/export/sqlInsertMode";
+import { queryResultExportBaseName } from "@/lib/export/saveTextFile";
 import { applyMongoGridChangesToDocument, applyMongoGridChangesToDocumentBaseline, buildMongoUpdateDocument, formatMongoShellLiteral, serializeMongoDocumentId, type MongoInputValue } from "@/lib/mongo/mongoDocumentValues";
 import type { DataGridSortMode } from "@/lib/dataGrid/dataGridSort";
 import { isDataGridToolbarCompact, type DataGridReloadIntent } from "@/lib/dataGrid/dataGridToolbar";
@@ -421,6 +422,10 @@ function increaseTableFontSize() {
   setTableFontSize(tableFontSize.value + 1);
 }
 
+/** Export file base name for the query result grid: the result's label (nearby
+ *  comment or `schema.table`) names exports, matching the result tab (#9894). */
+const activeQueryResultExportBaseName = computed(() => queryResultExportBaseName(props.activeTab.result?.sourceLabel, props.activeTab.title));
+
 const activeTabDimension = computed(() => {
   const tab = props.activeTab;
   if (!tab.connectionId || tab.mode !== "vector") return undefined;
@@ -2159,7 +2164,7 @@ defineExpose({
                   }) => queryStore.buildQueryResultExportRequest(activeTab.id, options)
                 "
                 :all-export-results="allResultExportSheets"
-                :export-file-base-name="activeTab.title"
+                :export-file-base-name="activeQueryResultExportBaseName"
                 @update:order-by-input="(v: string) => (activeTab.orderByInput = v)"
                 @local-column-filters-change="(filters: Record<string, string[]>) => queryStore.updateDataGridLocalColumnFilters(activeTab.id, filters)"
                 @reload="(sql?: string, searchText?: string, whereInput?: string, orderBy?: string, limit?: number, offset?: number, intent?: DataGridReloadIntent) => emit('reload', activeTab.id, sql, searchText, whereInput, orderBy, limit, offset, intent)"