fix(firstleg): refresh recommendation capacity

firstleg/src/main/java/com/baiyue/firstleg/service/SmartLoadingService.java

@@ -368,6 +368,13 @@ public class SmartLoadingService {
                 if (!visitedGroups.add(candidate.coLoadGroupId()) || StringUtils.hasText(candidate.blockReason())) {
                     continue;
                 }
+                GroupSnapshot currentGroup = group(candidate.accountId(), candidate.inboundId());
+                if (currentGroup == null || !"ACTIVE".equals(currentGroup.status())
+                    || currentGroup.lockedPlanId() != null
+                    || !groupFits(booking, repository.items(planId), currentGroup,
+                        availableCandidates(booking))) {
+                    continue;
+                }
                 LoadingPlanEntity current = repository.plan(planId);
                 assignGroup(planId, new AssignGroupRequest(candidate.inboundId(), current.getVersion(),
                     "REC-GRP-" + sha256(operation + '|' + candidate.coLoadGroupId()).substring(0, 48)),
@@ -640,8 +647,7 @@ public class SmartLoadingService {
         if (!"ACTIVE".equals(group.status()) || group.lockedPlanId() != null) {
             throw conflict("同柜不可拆组已锁定或已消费");
         }
-        List<Candidate> available = repository.candidates(booking.getWarehouseId()).stream()
-            .filter(candidate -> sameChannel(booking, candidate) && sameCustomerScope(booking, candidate)).toList();
+        List<Candidate> available = availableCandidates(booking);
         Map<Long, List<Candidate>> result = new LinkedHashMap<>();
         for (Member member : group.members()) {
             if (!repository.activeItemsByInbound(member.tenantId(), member.inboundId()).isEmpty()) {
@@ -663,6 +669,11 @@ public class SmartLoadingService {
         return result;
     }
 
+    private List<Candidate> availableCandidates(ContainerBookingEntity booking) {
+        return repository.candidates(booking.getWarehouseId()).stream()
+            .filter(candidate -> sameChannel(booking, candidate) && sameCustomerScope(booking, candidate)).toList();
+    }
+
     private boolean groupFits(ContainerBookingEntity booking, List<LoadingPlanItemEntity> planItems,
                               GroupSnapshot group, List<Candidate> available) {
         if (booking.getCapacityCbm() == null || booking.getMaxWeightKg() == null) return false;