数据分析ui补充完善，接入数据库

types/analytics/dashboard.uts

@@ -0,0 +1,7 @@
+// types/analytics/dashboard.uts
+
+export type TrendData = { x: Array<string>; gmv: Array<number>; orders: Array<number> }
+export type SegmentItem = { name: string; value: number }
+export type TrafficItem = { name: string; value: number }
+export type TopProductItem = { id: string; rank: number; name: string; sales: number }
+export type TopMerchantItem = { id: string; rank: number; name: string; sales: number; growth: number }