feat: add bed occupancy stats to RoomVisual cards and API

apps/server/src/rooms/rooms.service.ts

@@ -235,25 +235,30 @@ export class RoomsService {
       ? rooms.filter((r) => r.status !== 'archived' || (occMap.get(r.id)?.length ?? 0) > 0)
       : rooms;
 
+    // 批量获取床位统计
+    const allBeds = await this.bedRepo.find({
+      where: { roomId: In(visibleRooms.map((r) => r.id)) },
+    });
+    const bedMap = new Map<number, { total: number; occupied: number }>();
+    for (const bed of allBeds) {
+      if (!bedMap.has(bed.roomId)) bedMap.set(bed.roomId, { total: 0, occupied: 0 });
+      const entry = bedMap.get(bed.roomId)!;
+      entry.total++;
+      if (bed.status === 'occupied') entry.occupied++;
+    }
+
     return {
       buildings,
       rooms: visibleRooms.map((room) => {
         const occ = occMap.get(room.id) || [];
-        // 计算机构标注
         const orgs = [...new Set(occ.map((o: any) => o.organization).filter(Boolean))];
         let orgLabel: string | null = null;
         if (orgs.length > 0 && occ.length > 0) {
           const allSameOrg = occ.every((o: any) => o.organization && o.organization === orgs[0]);
-          if (allSameOrg) {
-            orgLabel = `均为${orgs[0]}人员`;
-          } else {
-            orgLabel = `存在${orgs.join('、')}人员`;
-          }
+          orgLabel = allSameOrg ? `均为${orgs[0]}人员` : `存在${orgs.join('、')}人员`;
         }
-        // 计算租户颜色：所有住户同一租户则使用该颜色
         const tenantColors = [...new Set(occ.map((o: any) => o.tenantColor).filter(Boolean))];
         const tenantColor: string | null = tenantColors.length === 1 ? tenantColors[0] : null;
-        // 房间涉及的租户 id（供前端按租赁方筛选）
         const tenantIds = [...new Set(occ.map((o: any) => o.tenantId).filter(Boolean))];
         return {
           id: room.id,
@@ -263,6 +268,8 @@ export class RoomsService {
           capacity: room.capacity,
           status: room.status,
           currentCount: occ.length,
+          totalBeds: bedMap.get(room.id)?.total ?? 0,
+          occupiedBeds: bedMap.get(room.id)?.occupied ?? 0,
           occupants: occ,
           orgLabel,
           tenantColor,