feat(time): add span-based attendance tracking under 2.0

mobile/src/lib/api.ts

@@ -34,6 +34,8 @@ export type TenantProfile = {
 };
 
 export type StaffTimeSpan = {
+  paused?: boolean;
+  model?: string;
   id: string | null;
   eventIds: string[];
   state: string;
@@ -608,8 +610,22 @@ export async function fetchStaffTimeSpans(
   const query = targetUserId ? `?targetUserId=${encodeURIComponent(targetUserId)}` : '';
   const spans = await apiRequest<any[]>(`/api/staff/time/spans${query}`, { token });
 
-  return (spans || [])
+  const seen = new Set<string>();
+  return (spans || []).filter((span) => {
+    if (span.model !== 'spans-v2') return true;
+    if (seen.has(span.id)) return false;
+    seen.add(span.id); return true;
+  })
     .map((span) => {
+      if (span.attendance) {
+        const s = span.attendance;
+        const end = s.ended_at ? Date.parse(s.ended_at) : Date.now();
+        const pauseMs = s.breaks.reduce((n: number, p: any) => n + ((p.ended_at ? Date.parse(p.ended_at) : end) - Date.parse(p.started_at)), 0);
+        return { id: s.id, eventIds: [s.id], state: s.status, started_at: s.started_at,
+          stopped_at: s.ended_at, duration_minutes: Math.floor((end - Date.parse(s.started_at) - pauseMs) / 60000),
+          user_id: s.user_id, type: s.type, description: s.description,
+          paused: s.breaks.some((p: any) => !p.ended_at), model: 'spans-v2' } as StaffTimeSpan;
+      }
       const started = span.startedAt ? new Date(span.startedAt) : null;
       const ended = span.endedAt ? new Date(span.endedAt) : new Date();
       const durationMinutes =