feat(db): 支持 VictoriaMetrics 数据库

* feat(victoriametrics): support native MetricsQL queries

* fix(victoriametrics): 完善指标浏览和结果导出

* fix(victoriametrics): 修复指标对象通用操作入口

* fix(victoriametrics): 修正指标注释和截断提示

* fix(i18n): 补齐 VictoriaMetrics 连接配置翻译

---------

Co-authored-by: zipg <4047349+zipg@users.noreply.github.com>

apps/desktop/src/composables/useSidebarTreeExportRuntime.ts

@@ -258,6 +258,26 @@ export function useSidebarTreeExportRuntime(options: SidebarTreeExportRuntimeOpt
       await connectionStore.ensureConnected(connectionId);
       task = addExportTask(node.label, format, outputPath);
       const currentTask = task;
+      const effectiveDbType = effectiveDatabaseTypeForConnection(config);
+      if (effectiveDbType === "victoriametrics") {
+        const result = await fetchTableDataForExport({
+          databaseType: effectiveDbType,
+          schema: node.schema,
+          tableName: node.label,
+          tableType: node.tableType,
+          executePage: (sql) => api.executeQuery(connectionId, database, sql),
+        });
+        if (format === "csv") {
+          await api.exportQueryResultCsv(outputPath, result.columns, result.rows);
+        } else {
+          await api.exportQueryResultXlsx(outputPath, node.label, result.columns, result.column_types ?? result.columns.map(() => ""), undefined, result.rows);
+        }
+        currentTask.status = "Done";
+        currentTask.rowsExported = result.rows.length;
+        currentTask.totalRows = result.rows.length;
+        toast(t("grid.exported"));
+        return;
+      }
       const queryColumns = config.db_type === "neo4j" ? (await api.getColumns(connectionId, database, node.schema || database, node.label)).map((column) => column.name) : undefined;
       const rowLimit = settingsStore.editorSettings.exportRowLimitEnabled ? settingsStore.editorSettings.exportRowLimit : null;
       const request: api.TableExportRequest = {