feat(staff): StaffList 微信 5 数字改读本地 summary + 日期选择器（Phase A 接线）

Co-Authored-By: Claude <noreply@anthropic.com>

yunkes/src/api/index.ts

@@ -17,6 +17,7 @@ import type {
   PhoneCall,
   Sms,
   Staff,
+  StaffChatStats,
   SyncRun,
   SyncState,
   SyncStatus,
@@ -215,6 +216,28 @@ export function getSms(query: SmsQuery = {}): Promise<Page<Sms>> {
   )
 }
 
+// ---------------------------------------------------------------------------
+// Staff chat stats (微信员工 5 数字 + 客户明细，全本地 message 聚合)
+// ---------------------------------------------------------------------------
+
+export interface StaffChatStatsQuery {
+  owner_account_id: string
+  /** ms-epoch inclusive 窗口（默认近 3 天，由后端兜底）。 */
+  start?: number
+  end?: number
+}
+
+export function getStaffChatStats(query: StaffChatStatsQuery): Promise<StaffChatStats> {
+  return getJson<StaffChatStats>(
+    '/staff-chat-stats',
+    clean({
+      owner_account_id: query.owner_account_id,
+      start: query.start,
+      end: query.end,
+    }),
+  )
+}
+
 // ---------------------------------------------------------------------------
 // Sync monitor
 // ---------------------------------------------------------------------------
@@ -279,6 +302,7 @@ export type {
   PhoneCall,
   Sms,
   Staff,
+  StaffChatStats,
   SyncRun,
   SyncState,
   SyncStatus,