style: polish admin user leaderboard

frontend-web/src/core/admin/api.ts

@@ -156,11 +156,13 @@ export async function getUserMemory(
 }
 
 export async function getUserLeaderboard(
-  days: number,
+  range: { since: string; until: string; days?: number },
   limit = 20,
 ): Promise<AdminLeaderboardResponse> {
   const params = new URLSearchParams({
-    days: String(days),
+    days: String(range.days ?? 30),
+    since: range.since,
+    until: range.until,
     limit: String(limit),
   });
   return parse(
@@ -171,11 +173,13 @@ export async function getUserLeaderboard(
 
 export async function getUserAnalytics(
   userId: string,
-  days: number,
+  range: { since: string; until: string; days?: number },
   limit = 20,
 ): Promise<AdminUserAnalyticsResponse> {
   const params = new URLSearchParams({
-    days: String(days),
+    days: String(range.days ?? 30),
+    since: range.since,
+    until: range.until,
     limit: String(limit),
   });
   return parse(