feat(dispatch): paginate candidates and expose received PLAN first-pick positions

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/controller/SmartDispatchController.java

@@ -28,8 +28,9 @@ public class SmartDispatchController {
     @PreAuthorize("hasAuthority('"+OverseasPermissions.DISPATCH_LIST+"')")
     public ApiResponse<CandidateList> candidates(@AuthenticationPrincipal AuthenticatedUser user,@RequestParam String warehouseId,
         @RequestParam(required=false)List<Long> planIds,@RequestParam(required=false)String orderNo,
-        @RequestParam(required=false)String destinationWarehouseCode,@RequestParam(required=false)String sourceStage,@RequestParam(required=false)String draftToken) {
-        return ApiResponse.success(aggregate.candidates(DispatchActorFactory.platform(user),new CandidateQuery(warehouseId,planIds,orderNo,destinationWarehouseCode,sourceStage,draftToken)));
+        @RequestParam(required=false)String destinationWarehouseCode,@RequestParam(required=false)String sourceStage,@RequestParam(required=false)String draftToken,
+        @RequestParam(defaultValue="1")int page,@RequestParam(defaultValue="20")int size,@RequestParam(defaultValue="ALL")String warehouseTab) {
+        return ApiResponse.success(aggregate.candidates(DispatchActorFactory.platform(user),new CandidateQuery(warehouseId,planIds,orderNo,destinationWarehouseCode,sourceStage,draftToken,page,size,warehouseTab)));
     }
     /** 只列出当前拥有者未失效草稿。 */
     @GetMapping("/drafts")

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/mapper/DispatchCandidateMapper.java

@@ -9,6 +9,21 @@ import java.util.List;
 
 @Mapper
 public interface DispatchCandidateMapper {
+    /** 自动预留托盘不是实收；尚未开始收货时仍以计划来源预排，不生成库存或实托装载事实。 */
+    String PLAN_ONLY = "(p.warehouse_pallet_id IS NULL OR (COALESCE(p.assignment_status,'')='RESERVED' AND COALESCE(p.actual_package_count,0)=0))";
+    /** 在途计划的全部真实来源必须已离港；人工节点覆盖后不再借用原柜节点。 */
+    String DEPARTED_PLAN =
+        "EXISTS (SELECT 1 FROM ll_inbound_plan_pallet_allocation da JOIN ll_inbound_plan_line dl " +
+        "ON dl.id=da.line_id WHERE da.pallet_id=p.id AND dl.customer_id=ip.customer_id) AND NOT EXISTS (" +
+        "SELECT 1 FROM ll_inbound_plan_pallet_allocation da JOIN ll_inbound_plan_line dl " +
+        "ON dl.id=da.line_id LEFT JOIN ll_order departure_order " +
+        "ON departure_order.id=dl.order_id AND departure_order.customer_id=dl.customer_id WHERE da.pallet_id=p.id AND dl.customer_id=ip.customer_id AND " +
+        "(departure_order.id IS NULL OR COALESCE(departure_order.order_type,'')!='FIRST_LEG' OR NOT (" +
+        "CASE WHEN COALESCE(departure_order.manual_node_override,FALSE)=TRUE THEN EXISTS (" +
+        "SELECT 1 FROM ll_order_manual_node dn WHERE dn.order_id=departure_order.id AND dn.customer_id=departure_order.customer_id " +
+        "AND dn.node_code='ACTUAL_DEPARTURE' AND dn.node_at IS NOT NULL) ELSE EXISTS (" +
+        "SELECT 1 FROM ll_container_shipping_gate dg WHERE dg.container_booking_id=departure_order.source_container_booking_id " +
+        "AND dg.node_sequence>=40 AND dg.actual_at IS NOT NULL) END)))";
     // Only the receiving party's confirmed appointment is a transport reference; it is not a loading plan.
     String CONFIRMED_APPOINTMENT_AT =
         "(SELECT CASE WHEN COUNT(DISTINCT fa.id)=1 THEN MAX(fa.appointment_at) END FROM ll_inbound_plan_pallet_allocation pa " +
@@ -41,7 +56,7 @@ public interface DispatchCandidateMapper {
     List<String> findCustomerScopesByPlanPalletIds(@Param("planPalletIds") List<Long> planPalletIds);
 
     String AVAILABLE_PLAN_BODY =
-        "SELECT p.plan_id AS planId,p.id AS planPalletId,p.warehouse_pallet_id AS warehousePalletId," +
+        "SELECT p.plan_id AS planId,p.id AS planPalletId,CASE WHEN " + PLAN_ONLY + " THEN NULL ELSE p.warehouse_pallet_id END AS warehousePalletId," +
         "MIN(l.order_id) AS orderId," +
         "MIN(ip.customer_id) AS customerId,MIN(o.customer_name) AS customerName," +
         "MIN(ip.plan_no) AS planNo,MIN(o.order_type) AS orderType,MIN(o.volume_weight_kg) AS volumeWeightKg," +
@@ -53,16 +68,16 @@ public interface DispatchCandidateMapper {
         "MIN(ip.container_no) AS containerNo," +
         CONFIRMED_APPOINTMENT_AT + " AS appointmentAt,NULL AS expectedLoadingAt," +
         // 仓ID文本统一保留128字符，避免混合CASE的NONE排序规则及无长度CHAR截断；来源优先级与身份等值不变。
-        "CAST(CASE WHEN p.warehouse_pallet_id IS NOT NULL THEN (SELECT MIN(pos.overseas_warehouse_id) " +
+        "CAST(CASE WHEN NOT " + PLAN_ONLY + " THEN (SELECT MIN(pos.overseas_warehouse_id) " +
         "FROM ll_inventory_position pos WHERE pos.customer_id=ip.customer_id AND pos.pallet_id=p.warehouse_pallet_id " +
         "AND pos.available_packages &gt; 0) ELSE COALESCE(NULLIF(CAST(ip.overseas_warehouse_id AS CHAR(128)),'')," +
         "(SELECT NULLIF(TRIM(source_order.overseas_warehouse_id),'') FROM ll_order source_order " +
         "WHERE source_order.id=ip.source_order_id AND source_order.customer_id=ip.customer_id LIMIT 1)) END AS CHAR(128)) AS overseasWarehouseId," +
-        "CASE WHEN p.warehouse_pallet_id IS NOT NULL THEN (SELECT MIN(b.overseas_warehouse_code) " +
+        "CASE WHEN NOT " + PLAN_ONLY + " THEN (SELECT MIN(b.overseas_warehouse_code) " +
         "FROM ll_inventory_position pos JOIN ll_inventory_balance b ON b.id=pos.balance_id AND b.customer_id=pos.customer_id " +
         "WHERE pos.customer_id=ip.customer_id AND pos.pallet_id=p.warehouse_pallet_id AND pos.available_packages &gt; 0) " +
         "ELSE MIN(o.overseas_warehouse_code) END AS overseasWarehouseCode," +
-        "CASE WHEN p.warehouse_pallet_id IS NOT NULL THEN (SELECT MIN(b.overseas_warehouse_name) " +
+        "CASE WHEN NOT " + PLAN_ONLY + " THEN (SELECT MIN(b.overseas_warehouse_name) " +
         "FROM ll_inventory_position pos JOIN ll_inventory_balance b ON b.id=pos.balance_id AND b.customer_id=pos.customer_id " +
         "WHERE pos.customer_id=ip.customer_id AND pos.pallet_id=p.warehouse_pallet_id AND pos.available_packages &gt; 0) " +
         "ELSE MIN(o.overseas_warehouse_name) END AS overseasWarehouseName,MIN(o.order_no) AS orderNo," +
@@ -70,11 +85,11 @@ public interface DispatchCandidateMapper {
         "p.pallet_no AS palletNo,p.destination_warehouse_id AS destinationWarehouseId," +
         "p.destination_warehouse_code AS destinationWarehouseCode,p.destination_warehouse_name AS destinationWarehouseName," +
         "COALESCE(NULLIF(MIN(l.fba_warehouse_code),''),NULLIF(p.destination_warehouse_code,'')) AS fbaWarehouseCode," +
-        "CASE WHEN p.warehouse_pallet_id IS NOT NULL THEN COALESCE((SELECT SUM(pos.available_packages) " +
+        "CASE WHEN NOT " + PLAN_ONLY + " THEN COALESCE((SELECT SUM(pos.available_packages) " +
         "FROM ll_inventory_position pos WHERE pos.customer_id=ip.customer_id AND pos.pallet_id=p.warehouse_pallet_id),0) " +
         "ELSE COALESCE(SUM(CASE WHEN a.picked_package_count &gt; 0 THEN a.picked_package_count " +
         "ELSE a.planned_package_count END),0) END AS packageCount,p.allocated_volume_cbm AS volumeCbm," +
-        "CASE WHEN p.warehouse_pallet_id IS NULL THEN 'PLAN' ELSE 'RECEIVED' END AS sourceStage," +
+        "CASE WHEN " + PLAN_ONLY + " THEN 'PLAN' ELSE 'RECEIVED' END AS sourceStage," +
         "(SELECT GROUP_CONCAT(DISTINCT c.carton_mark ORDER BY c.carton_mark SEPARATOR ',') " +
         "FROM ll_inbound_plan_carton c WHERE c.plan_pallet_id=p.id AND NOT EXISTS (" +
         "SELECT 1 FROM ll_relabel_item ri JOIN ll_inventory_position rp ON rp.id=ri.source_inventory_position_id " +
@@ -108,12 +123,13 @@ public interface DispatchCandidateMapper {
         "<if test='orderNo != null and orderNo != \"\"'> AND (o.order_no LIKE CONCAT('%',#{orderNo},'%') OR l.inbound_code LIKE CONCAT('%',#{orderNo},'%'))</if> " +
         "<if test='fbaWarehouseCode != null and fbaWarehouseCode != \"\"'> AND l.fba_warehouse_code=#{fbaWarehouseCode}</if> " +
         "<if test='sourceStage != null and sourceStage != \"\"'> AND " +
-        "CASE WHEN p.warehouse_pallet_id IS NULL THEN 'PLAN' ELSE 'RECEIVED' END=#{sourceStage}</if> " +
+        "CASE WHEN " + PLAN_ONLY + " THEN 'PLAN' ELSE 'RECEIVED' END=#{sourceStage}</if> " +
         "AND NOT EXISTS (SELECT 1 FROM ll_inbound_plan_pallet_allocation ha " +
         "JOIN ll_inbound_plan_line hl ON hl.id=ha.line_id " +
         "JOIN ll_order ho ON ho.id=hl.order_id AND ho.customer_id=ip.customer_id " +
         "WHERE ha.pallet_id=p.id AND ho.detained=1) " +
-        "AND (p.warehouse_pallet_id IS NULL OR EXISTS (SELECT 1 FROM ll_inventory_position pos " +
+        "AND (NOT " + PLAN_ONLY + " OR (" + DEPARTED_PLAN + ")) " +
+        "AND (" + PLAN_ONLY + " OR EXISTS (SELECT 1 FROM ll_inventory_position pos " +
         "WHERE pos.customer_id=ip.customer_id AND pos.pallet_id=p.warehouse_pallet_id AND pos.available_packages &gt; 0)) " +
         "AND NOT EXISTS (SELECT 1 FROM ll_dispatch_pallet_lock d " +
         "WHERE d.customer_id=ip.customer_id AND d.status='ACTIVE' " +
@@ -150,7 +166,7 @@ public interface DispatchCandidateMapper {
         @Param("fbaWarehouseCode") String fbaWarehouseCode,@Param("sourceStage") String sourceStage,@Param("draftToken") String draftToken);
 
     String SELECTED_PLAN_SQL = "<script>" +
-        "SELECT p.plan_id AS planId,p.id AS planPalletId,p.warehouse_pallet_id AS warehousePalletId," +
+        "SELECT p.plan_id AS planId,p.id AS planPalletId,CASE WHEN " + PLAN_ONLY + " THEN NULL ELSE p.warehouse_pallet_id END AS warehousePalletId," +
         "MIN(l.order_id) AS orderId," +
         "MIN(ip.customer_id) AS customerId,MIN(o.customer_name) AS customerName," +
         "MIN(ip.plan_no) AS planNo,MIN(o.order_type) AS orderType,MIN(o.volume_weight_kg) AS volumeWeightKg," +
@@ -161,16 +177,16 @@ public interface DispatchCandidateMapper {
         " / NULLIF((SELECT COUNT(*) FROM ll_inbound_plan_pallet_allocation a2 WHERE a2.line_id=a.line_id),0) END),0) ELSE NULL END AS grossWeightKg," +
         "MIN(ip.container_no) AS containerNo," +
         CONFIRMED_APPOINTMENT_AT + " AS appointmentAt,NULL AS expectedLoadingAt," +
-        "CASE WHEN p.warehouse_pallet_id IS NOT NULL THEN (SELECT MIN(pos.overseas_warehouse_id) " +
+        "CASE WHEN NOT " + PLAN_ONLY + " THEN (SELECT MIN(pos.overseas_warehouse_id) " +
         "FROM ll_inventory_position pos WHERE pos.customer_id=ip.customer_id AND pos.pallet_id=p.warehouse_pallet_id " +
         "AND pos.available_packages &gt; 0) ELSE COALESCE(NULLIF(CAST(ip.overseas_warehouse_id AS CHAR),'')," +
         "(SELECT NULLIF(TRIM(source_order.overseas_warehouse_id),'') FROM ll_order source_order " +
         "WHERE source_order.id=ip.source_order_id AND source_order.customer_id=ip.customer_id LIMIT 1)) END AS overseasWarehouseId," +
-        "CASE WHEN p.warehouse_pallet_id IS NOT NULL THEN (SELECT MIN(b.overseas_warehouse_code) " +
+        "CASE WHEN NOT " + PLAN_ONLY + " THEN (SELECT MIN(b.overseas_warehouse_code) " +
         "FROM ll_inventory_position pos JOIN ll_inventory_balance b ON b.id=pos.balance_id AND b.customer_id=pos.customer_id " +
         "WHERE pos.customer_id=ip.customer_id AND pos.pallet_id=p.warehouse_pallet_id AND pos.available_packages &gt; 0) " +
         "ELSE MIN(o.overseas_warehouse_code) END AS overseasWarehouseCode," +
-        "CASE WHEN p.warehouse_pallet_id IS NOT NULL THEN (SELECT MIN(b.overseas_warehouse_name) " +
+        "CASE WHEN NOT " + PLAN_ONLY + " THEN (SELECT MIN(b.overseas_warehouse_name) " +
         "FROM ll_inventory_position pos JOIN ll_inventory_balance b ON b.id=pos.balance_id AND b.customer_id=pos.customer_id " +
         "WHERE pos.customer_id=ip.customer_id AND pos.pallet_id=p.warehouse_pallet_id AND pos.available_packages &gt; 0) " +
         "ELSE MIN(o.overseas_warehouse_name) END AS overseasWarehouseName,MIN(o.order_no) AS orderNo," +
@@ -178,11 +194,11 @@ public interface DispatchCandidateMapper {
         "p.pallet_no AS palletNo,p.destination_warehouse_id AS destinationWarehouseId," +
         "p.destination_warehouse_code AS destinationWarehouseCode,p.destination_warehouse_name AS destinationWarehouseName," +
         "COALESCE(NULLIF(MIN(l.fba_warehouse_code),''),NULLIF(p.destination_warehouse_code,'')) AS fbaWarehouseCode," +
-        "CASE WHEN p.warehouse_pallet_id IS NOT NULL THEN COALESCE((SELECT SUM(pos.available_packages) " +
+        "CASE WHEN NOT " + PLAN_ONLY + " THEN COALESCE((SELECT SUM(pos.available_packages) " +
         "FROM ll_inventory_position pos WHERE pos.customer_id=#{customerId} AND pos.pallet_id=p.warehouse_pallet_id),0) " +
         "ELSE COALESCE(SUM(CASE WHEN a.picked_package_count &gt; 0 THEN a.picked_package_count " +
         "ELSE a.planned_package_count END),0) END AS packageCount,p.allocated_volume_cbm AS volumeCbm," +
-        "CASE WHEN p.warehouse_pallet_id IS NULL THEN 'PLAN' ELSE 'RECEIVED' END AS sourceStage," +
+        "CASE WHEN " + PLAN_ONLY + " THEN 'PLAN' ELSE 'RECEIVED' END AS sourceStage," +
         "(SELECT GROUP_CONCAT(DISTINCT c.carton_mark ORDER BY c.carton_mark SEPARATOR ',') " +
         "FROM ll_inbound_plan_carton c WHERE c.plan_pallet_id=p.id AND NOT EXISTS (" +
         "SELECT 1 FROM ll_relabel_item ri JOIN ll_inventory_position rp ON rp.id=ri.source_inventory_position_id " +
@@ -216,7 +232,8 @@ public interface DispatchCandidateMapper {
         "JOIN ll_inbound_plan_line hl ON hl.id=ha.line_id " +
         "JOIN ll_order ho ON ho.id=hl.order_id AND ho.customer_id=ip.customer_id " +
         "WHERE ha.pallet_id=p.id AND ho.detained=1) " +
-        "AND (p.warehouse_pallet_id IS NULL OR EXISTS (SELECT 1 FROM ll_inventory_position pos " +
+        "AND (NOT " + PLAN_ONLY + " OR (" + DEPARTED_PLAN + ")) " +
+        "AND (" + PLAN_ONLY + " OR EXISTS (SELECT 1 FROM ll_inventory_position pos " +
         "WHERE pos.customer_id=#{customerId} AND pos.pallet_id=p.warehouse_pallet_id AND pos.available_packages &gt; 0)) " +
         "AND NOT EXISTS (SELECT 1 FROM ll_warehouse_transfer_inventory_allocation ta " +
         "JOIN ll_inventory_position tp ON tp.id=ta.inventory_position_id " +
@@ -284,8 +301,9 @@ public interface DispatchCandidateMapper {
         "c.pallet_code AS palletNo,COUNT(DISTINCT c.id) AS packageCount,'RELABEL' AS sourceStage,1 AS returnCartonSource," +
         "GROUP_CONCAT(DISTINCT c.carton_mark ORDER BY c.carton_mark SEPARATOR ',') AS relabelCartonMarks," +
         "GROUP_CONCAT(DISTINCT ri.destination_fba_warehouse_code ORDER BY ri.destination_fba_warehouse_code SEPARATOR ',') AS fbaWarehouseCode," +
-        "COALESCE((SELECT CASE WHEN COUNT(*)=COUNT(x.weight) THEN SUM(x.weight) END FROM (SELECT DISTINCT c2.id,c2.weight FROM ll_return_inventory_carton c2 JOIN ll_relabel_item ri2 ON ri2.return_carton_id=c2.id AND ri2.customer_id=c2.customer_id JOIN ll_relabel_application a2 ON a2.id=ri2.application_id AND a2.customer_id=ri2.customer_id WHERE c2.customer_id=a.customer_id AND c2.pallet_code=c.pallet_code AND c2.status='RELABEL_PENDING' AND a2.id=a.id) x),(SELECT rr.weight FROM ll_return_receipt rr WHERE rr.customer_id=a.customer_id AND rr.unit_type='PALLET' AND rr.unit_code=c.pallet_code ORDER BY rr.signed_at DESC LIMIT 1)) AS grossWeightKg," +
-        "COALESCE((SELECT CASE WHEN COUNT(*)=COUNT(x.volume) THEN SUM(x.volume) END FROM (SELECT DISTINCT c2.id,(c2.length*c2.width*c2.height)/1000000 AS volume FROM ll_return_inventory_carton c2 JOIN ll_relabel_item ri2 ON ri2.return_carton_id=c2.id AND ri2.customer_id=c2.customer_id JOIN ll_relabel_application a2 ON a2.id=ri2.application_id AND a2.customer_id=ri2.customer_id WHERE c2.customer_id=a.customer_id AND c2.pallet_code=c.pallet_code AND c2.status='RELABEL_PENDING' AND a2.id=a.id) x),(SELECT rr.length*rr.width*rr.height/1000000 FROM ll_return_receipt rr WHERE rr.customer_id=a.customer_id AND rr.unit_type='PALLET' AND rr.unit_code=c.pallet_code ORDER BY rr.signed_at DESC LIMIT 1)) AS volumeCbm," +
+        // 从唯一实箱汇总并用EXISTS核对申请，避免一箱多明细重复计量和跨层相关派生表。
+        "COALESCE((SELECT CASE WHEN COUNT(*)=COUNT(c2.weight) THEN SUM(c2.weight) END FROM ll_return_inventory_carton c2 WHERE c2.customer_id=a.customer_id AND c2.pallet_code=c.pallet_code AND c2.status='RELABEL_PENDING' AND EXISTS (SELECT 1 FROM ll_relabel_item ri2 WHERE ri2.return_carton_id=c2.id AND ri2.customer_id=c2.customer_id AND ri2.application_id=a.id)),(SELECT rr.weight FROM ll_return_receipt rr WHERE rr.customer_id=a.customer_id AND rr.unit_type='PALLET' AND rr.unit_code=c.pallet_code ORDER BY rr.signed_at DESC LIMIT 1)) AS grossWeightKg," +
+        "COALESCE((SELECT CASE WHEN COUNT(*)=COUNT(c2.length*c2.width*c2.height) THEN SUM(c2.length*c2.width*c2.height/1000000) END FROM ll_return_inventory_carton c2 WHERE c2.customer_id=a.customer_id AND c2.pallet_code=c.pallet_code AND c2.status='RELABEL_PENDING' AND EXISTS (SELECT 1 FROM ll_relabel_item ri2 WHERE ri2.return_carton_id=c2.id AND ri2.customer_id=c2.customer_id AND ri2.application_id=a.id)),(SELECT rr.length*rr.width*rr.height/1000000 FROM ll_return_receipt rr WHERE rr.customer_id=a.customer_id AND rr.unit_type='PALLET' AND rr.unit_code=c.pallet_code ORDER BY rr.signed_at DESC LIMIT 1)) AS volumeCbm," +
         "GROUP_CONCAT(DISTINCT ri.destination_fba_warehouse_code ORDER BY ri.destination_fba_warehouse_code SEPARATOR ',') AS destinationWarehouseCode " +
         "FROM ll_relabel_application a JOIN ll_relabel_item ri ON ri.application_id=a.id AND ri.customer_id=a.customer_id " +
         "JOIN ll_return_inventory_carton c ON c.id=ri.return_carton_id AND c.customer_id=a.customer_id " +

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/mapper/DispatchCandidatePageMapper.java

@@ -0,0 +1,60 @@
+package com.baiyue.lastleg.dispatch.mapper;
+
+import com.baiyue.lastleg.dispatch.model.DispatchPalletCandidate;
+import com.baiyue.lastleg.dispatch.port.DispatchPlanningModels.CandidateQuery;
+import org.apache.ibatis.annotations.*;
+import java.util.*;
+import java.util.stream.Collectors;
+
+/** 四种来源共用数据库分页；页外来源不进入测量、完整组和预约的逐组装配。 */
+@Mapper
+public interface DispatchCandidatePageMapper {
+    /** 统计相同筛选下的来源行，不把当前页条数当全仓总数。 */
+    @SelectProvider(type=Sql.class,method="count")
+    long count(@Param("query")CandidateQuery query);
+    /** 稳定排序后在数据库限页，完整组可包含页外成员。 */
+    @SelectProvider(type=Sql.class,method="page")
+    List<DispatchPalletCandidate> page(@Param("query")CandidateQuery query,@Param("offset")long offset);
+
+    /** 复用既有资格SQL，只统一各来源投影的列序，不复制资格或客户隔离规则。 */
+    final class Sql {
+        private static final String FIELDS="planId,planPalletId,warehousePalletId,orderId,customerId,customerName,planNo,orderType,volumeWeightKg,grossWeightKg,containerNo,appointmentAt,expectedLoadingAt,overseasWarehouseId,overseasWarehouseCode,overseasWarehouseName,orderNo,orderRefs,inboundCode,palletNo,destinationWarehouseId,destinationWarehouseCode,destinationWarehouseName,fbaWarehouseCode,packageCount,volumeCbm,sourceStage,cartonMarks,relabelCartonMarks,destinationType,deliveryAddress,postalCode,contactName,contactPhone,returnReceiptId,returnReceiptNo,returnCartonSource";
+        private static final Set<String> PLAN_MISSING=Set.of("returnReceiptId","returnReceiptNo","returnCartonSource");
+        private static final Set<String> RETURN_FIELDS=Set.of(("returnReceiptId,returnReceiptNo,orderId,customerId,customerName,orderType,orderNo,orderRefs,inboundCode,warehousePalletId,palletNo,overseasWarehouseId,overseasWarehouseName,overseasWarehouseCode,destinationType,destinationWarehouseCode,fbaWarehouseCode,destinationWarehouseName,deliveryAddress,postalCode,contactName,contactPhone,sourceStage,packageCount").split(","));
+        private static final Set<String> NATIVE_FIELDS=Set.of(("customerId,orderId,overseasWarehouseId,overseasWarehouseName,orderType,orderNo,orderRefs,inboundCode,palletNo,packageCount,sourceStage,returnCartonSource,relabelCartonMarks,fbaWarehouseCode,grossWeightKg,volumeCbm,destinationWarehouseCode").split(","));
+        private static final String BINDINGS="<bind name='customerId' value='null'/><bind name='relabelNo' value='null'/>"
+            +"<bind name='planIds' value='query.planIds'/><bind name='orderNo' value='query.orderNo'/>"
+            +"<bind name='fbaWarehouseCode' value='query.destinationWarehouseCode'/><bind name='fba' value='query.destinationWarehouseCode'/>"
+            +"<bind name='sourceStage' value='query.sourceStage'/><bind name='draftToken' value='query.draftToken'/>";
+        /** 来源字段缺省仅表示该来源没有此字段，不伪造业务编号或实托身份。 */
+        private static String project(String body,Set<String> fields,boolean count) {
+            return "SELECT "+Arrays.stream((count?"overseasWarehouseId,overseasWarehouseCode,overseasWarehouseName,fbaWarehouseCode":FIELDS).split(",")).map(field->fields.contains(field)?"s."+field:
+                ("returnCartonSource".equals(field)?"0":"NULL")+" AS "+field).collect(Collectors.joining(","))
+                +" FROM ("+body+") s";
+        }
+        /** 不同来源用同一组筛选和稳定行标识组合，排序前排除未选来源类型。 */
+        private static String rows(boolean count) {
+            var planFields=new HashSet<>(Arrays.asList(FIELDS.split(",")));planFields.removeAll(PLAN_MISSING);
+            var fields=count?"overseasWarehouseId,overseasWarehouseCode,overseasWarehouseName,fbaWarehouseCode":FIELDS;
+            return "<choose><when test=\"sourceStage != 'RELABEL'\">"+project(DispatchCandidateMapper.AVAILABLE_PLAN_BODY,planFields,count)
+                +"</when><otherwise>SELECT "+Arrays.stream(fields.split(",")).map(f->"NULL AS "+f).collect(Collectors.joining(","))+" WHERE 1=0</otherwise></choose>"
+                +"<if test='planIds == null or planIds.isEmpty()'>"
+                +"<if test=\"sourceStage == null or sourceStage == 'RECEIVED'\"> UNION ALL "+project(ReturnDispatchCandidateMapper.AVAILABLE_BODY,RETURN_FIELDS,count)+"</if>"
+                +"<if test=\"sourceStage == null or sourceStage == 'RECEIVED' or sourceStage == 'RELABEL'\"> UNION ALL "
+                +project(DispatchCandidateMapper.RELABEL_BODY,planFields,count)+" UNION ALL "+project(DispatchCandidateMapper.NATIVE_RELABEL_BODY,NATIVE_FIELDS,count)+"</if></if>";
+        }
+        /** 仓库页签也是服务端筛选，分页后不能再用本地筛选伪装完整结果。 */
+        private static String filtered(boolean count) {
+            return " FROM ("+rows(count)+") candidates WHERE overseasWarehouseId=#{query.warehouseId}"
+                +"<if test='query.destinationWarehouseCode != null'> AND fbaWarehouseCode=#{query.destinationWarehouseCode}</if>"
+                +"<if test=\"query.warehouseTab == 'LAX'\"> AND LOWER(CONCAT(COALESCE(overseasWarehouseCode,''),' ',COALESCE(overseasWarehouseName,''))) REGEXP 'lax|洛杉矶|los angeles'</if>"
+                +"<if test=\"query.warehouseTab == 'NYC'\"> AND LOWER(CONCAT(COALESCE(overseasWarehouseCode,''),' ',COALESCE(overseasWarehouseName,''))) REGEXP 'nyc|jfk|(^|[^a-z])ny([^a-z]|$)|纽约|new[ -]?york'</if>";
+        }
+        /** 同一事务内统计分页全集。 */
+        public static String count(){return "<script>"+BINDINGS+"SELECT COUNT(*)"+filtered(true)+"</script>";}
+        /** LIMIT发生在任何逐组Java装配之前，最后补来源身份列以保证同名来源不乱序。 */
+        public static String page(){return "<script>"+BINDINGS+"SELECT *"+filtered(false)
+            +" ORDER BY customerId,orderNo,palletNo,sourceStage,planPalletId,returnReceiptId,orderRefs,returnCartonSource"
+            +" LIMIT #{query.size} OFFSET #{offset}</script>";}
+    }
+}

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/port/DispatchPlanningModels.java

@@ -12,7 +12,8 @@ public final class DispatchPlanningModels {
     private DispatchPlanningModels() { }
 
     public record CandidateQuery(String warehouseId, List<Long> planIds, String orderNo,
-                                   String destinationWarehouseCode, String sourceStage, String draftToken) { }
+                                   String destinationWarehouseCode, String sourceStage, String draftToken,
+                                   int page, int size, String warehouseTab) { }
 
     /** sourceVersion为服务端事实摘要，不能用客户端时间或固定零替代。 */
     public record Candidate(DispatchCommands.CargoSelection selection, String sourceKey, String sourceVersion,
@@ -36,7 +37,9 @@ public final class DispatchPlanningModels {
     public record SelectionGroupPallet(Long warehousePalletId, String palletNo, List<String> sourceKeys,
                                           long packageCount) { }
 
-    public record CandidateList(List<Candidate> candidates, Instant snapshotAt, boolean complete) { }
+    /** complete只在当前响应包含筛选全集时为true；组内complete独立保证跨页完整来源。 */
+    public record CandidateList(List<Candidate> candidates, Instant snapshotAt, boolean complete,
+                                long total, int page, int size, long pages) { }
 
     public record DraftContainer(Long draftContainerId, int sequenceNo, int capacity,
                                    List<String> sourceKeys) { }

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/repository/DispatchSourceRepository.java

@@ -11,6 +11,13 @@ import java.util.List;
 /** 真实货物来源的数据访问封装，不在此层决定阶段或审核。 */
 @Repository
 public class DispatchSourceRepository {
+    @jakarta.annotation.Resource private com.baiyue.lastleg.dispatch.mapper.DispatchCandidatePageMapper pages;
+    /** 筛选全集的数据库行数，与分页使用同一只读事务。 */
+    public long candidateCount(com.baiyue.lastleg.dispatch.port.DispatchPlanningModels.CandidateQuery query){return pages.count(query);}
+    /** 只返回当前页来源，禁止先全量装配再截取。 */
+    public List<DispatchPalletCandidate> candidatePage(com.baiyue.lastleg.dispatch.port.DispatchPlanningModels.CandidateQuery query){
+        return pages.page(query,Math.multiplyExact((long)query.page()-1,query.size()));
+    }
     private final DispatchCandidateMapper plans;
     private final ReturnDispatchCandidateMapper returns;
     private final DispatchSourceMapper source;

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/service/DispatchAggregateService.java

@@ -148,10 +148,12 @@ public class DispatchAggregateService implements DispatchExecutionPort,DispatchA
         requirePlatform(actor);
         if(query==null || query.warehouseId()==null || !query.warehouseId().matches("[1-9][0-9]*")) throw bad("请选择真实海外起运仓");
         if(query.planIds()!=null && (query.planIds().size()>500 || query.planIds().stream().anyMatch(id->id==null || id<=0))) throw bad("计划筛选不合法");
+        if(query.page()<1 || query.size()<1 || query.size()>50 || !Set.of("ALL","LAX","NYC").contains(Objects.toString(query.warehouseTab(),"")))throw bad("候选分页或仓库页签不合法");
         var normalized=new DispatchPlanningModels.CandidateQuery(query.warehouseId(),query.planIds(),trim(query.orderNo()),
-            trim(query.destinationWarehouseCode()),trim(query.sourceStage()),trim(query.draftToken()));
+            trim(query.destinationWarehouseCode()),trim(query.sourceStage()),trim(query.draftToken()),query.page(),query.size(),query.warehouseTab());
         long started=System.nanoTime();
-        var rows=sourceRules.wholeCandidates(actor.operatorId(),normalized);
+        var page=sourceRules.candidatePage(actor.operatorId(),normalized);
+        var rows=page.rows();
         long candidatesRead=System.nanoTime();
         var groups=sourceRules.selectionGroups(rows);
         long groupsRead=System.nanoTime();
@@ -192,7 +194,9 @@ public class DispatchAggregateService implements DispatchExecutionPort,DispatchA
             "dispatch_candidates_slow count={} candidatesMs={} groupsMs={} appointmentsMs={} assembleMs={} totalMs={}",
             rows.size(),(candidatesRead-started)/1_000_000L,(groupsRead-candidatesRead)/1_000_000L,
             (batchesRead-groupsRead)/1_000_000L,(finished-batchesRead)/1_000_000L,(finished-started)/1_000_000L);
-        return new DispatchPlanningModels.CandidateList(List.copyOf(result),Instant.now().truncatedTo(ChronoUnit.MILLIS),true);
+        return new DispatchPlanningModels.CandidateList(List.copyOf(result),Instant.now().truncatedTo(ChronoUnit.MILLIS),
+            normalized.page()==1 && page.total()<=normalized.size(),page.total(),normalized.page(),normalized.size(),
+            (page.total()+normalized.size()-1)/normalized.size());
     }
 
     /** 作业弹框读取真实明细ID和来源，不能从订单展示键或仓托ID推断删除身份。 */

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/service/DispatchPdaQueryService.java

@@ -16,6 +16,8 @@ import static com.baiyue.lastleg.dispatch.port.DispatchTypes.*;
 @Service
 public class DispatchPdaQueryService {
     @jakarta.annotation.Resource private com.baiyue.lastleg.dispatch.repository.DispatchItemSourceRepository sourceOrigins;
+    @jakarta.annotation.Resource private com.baiyue.lastleg.dispatch.repository.DispatchSourceRepository sources;
+    @jakarta.annotation.Resource private DispatchService sourceRules;
     private final DispatchPdaReadRepository repository;private final DispatchAggregateService workflow;
     /** 共用主流程资格，PDA不维护第二套版本和阶段。 */
     public DispatchPdaQueryService(DispatchPdaReadRepository repository,DispatchAggregateService workflow){this.repository=repository;this.workflow=workflow;}
@@ -28,7 +30,7 @@ public class DispatchPdaQueryService {
         require(actor);if(number==null || number.isBlank())throw new BizException(ResultCode.BAD_REQUEST,"请输入排车单号");
         var rows=repository.headers(actor.boundWarehouseId(),number,null);if(rows.size()!=1)throw new BizException(ResultCode.NOT_FOUND,"当前绑定仓无此排车作业");return assemble(actor,rows).get(0);
     }
-    /** 固定批量查询数量，不因车数、客户数或托盘数执行逐行详情查询。 */
+    /** 已绑定实托批量读取；尚未绑定的原PLAN仅在本次只读快照内核对自然实收。 */
     private List<DispatchViews.PdaTask> assemble(Actor actor,List<DispatchAggregate> roots) {
         if(roots.isEmpty())return List.of();if(roots.size()>200)throw new BizException(ResultCode.BAD_REQUEST,"作业超过完整读取上限，请按阶段筛选或扫描具体排车单号");
         var ids=roots.stream().map(DispatchAggregate::getId).toList();var cargo=repository.items(ids).stream().collect(Collectors.groupingBy(DispatchItem::getDispatchOrderId));
@@ -59,6 +61,8 @@ public class DispatchPdaQueryService {
                 var marks=Arrays.stream(Objects.requireNonNullElse(item.getCartonMarks(),"").split(",")).map(String::trim).filter(s->!s.isEmpty()).collect(Collectors.toSet());
                 var sourcePositions=positions.getOrDefault(item.getCustomerId()+":"+item.getWarehousePalletId(),List.of()).stream()
                     .map(p->new DispatchViews.Position(p.getId(),p.getBalanceId(),n(p.getAvailablePackages()),n(p.getAllocatedPackages()),n(p.getPickedPackages()))).toList();
+                if(item.getWarehousePalletId()==null && item.getPlanPalletId()!=null)
+                    sourcePositions=receivedPlanPositions(actor,item,items);
                 if(normalRelabel(item)) {
                     var contributions=byItem.getOrDefault(item.getId(),List.of());var ownPositions=new ArrayList<DispatchViews.Position>();
                     if(contributions.isEmpty() || contributions.stream().mapToLong(s->n(s.getPackageCount())).sum()!=n(item.getPackageCount()))sourceValid=false;
@@ -89,6 +93,39 @@ public class DispatchPdaQueryService {
         }
         return List.copyOf(result);
     }
+    /** 预排首次扫码前只解析原计划实收仓位，不在GET补写实托；真正绑定仍由pick锁内重验。 */
+    private List<DispatchViews.Position> receivedPlanPositions(Actor actor,DispatchItem item,List<DispatchItem> items) {
+        if(!Objects.equals(actor.boundWarehouseId(),item.getOverseasWarehouseId()))return List.of();
+        var rows=sources.selectedPlan(item.getCustomerId(),item.getPlanPalletId());
+        if(rows.size()!=1)return List.of();
+        var actual=rows.get(0);
+        if(!"RECEIVED".equals(actual.sourceStage()) || actual.warehousePalletId()==null
+            || !Objects.equals(actual.planPalletId(),item.getPlanPalletId())
+            || !Objects.equals(actual.customerId(),item.getCustomerId())
+            || !Objects.equals(actual.overseasWarehouseId(),item.getOverseasWarehouseId())
+            || !Objects.equals(actual.packageCount(),item.getPackageCount())
+            || !Objects.equals(actual.destinationType(),item.getDestinationType())
+            || !Objects.equals(actual.fbaWarehouseCode(),item.getFbaWarehouseCode())
+            || !Objects.equals(actual.deliveryAddress(),item.getDeliveryAddress()))return List.of();
+        var originalOrders=sources.sourceOrders(item.getCustomerId(),null,item.getPlanPalletId());
+        if(originalOrders.isEmpty() || !new HashSet<>(originalOrders).containsAll(
+            sources.sourceOrders(item.getCustomerId(),actual.warehousePalletId(),item.getPlanPalletId())))return List.of();
+        // 同托跨客户、换标及整申请来源必须全部已在原车；不能把新合托货物暴露为原计划可拣库存。
+        var group=sourceRules.selectionGroup(actor.boundWarehouseId(),new DispatchCommands.CargoSelection(
+            SourceType.INBOUND_PLAN,item.getPlanPalletId(),null,null,actual.warehousePalletId(),null));
+        if(!group.complete() || group.sources().stream().noneMatch(s->Objects.equals(s.sourceKey(),item.getSourceKey())))return List.of();
+        for(var member:group.sources()) {
+            var selected=items.stream().filter(i->Objects.equals(i.getSourceKey(),member.sourceKey())).findFirst().orElse(null);
+            if(selected==null || !Objects.equals(selected.getCustomerId(),member.customerId())
+                || n(selected.getPackageCount())!=member.packages())return List.of();
+        }
+        var stock=sources.stock(item.getCustomerId(),actual.warehousePalletId(),false);
+        if(stock.stream().anyMatch(p->!Objects.equals(p.warehouseId(),actor.boundWarehouseId())
+            || !Objects.equals(p.palletId(),actual.warehousePalletId()))
+            || stock.stream().mapToLong(p->p.availablePackages()).sum()!=n(item.getPackageCount()))return List.of();
+        return stock.stream().filter(p->p.availablePackages()>0)
+            .map(p->new DispatchViews.Position(p.id(),p.balanceId(),p.availablePackages(),p.allocatedPackages(),p.pickedPackages())).toList();
+    }
     /** 仓和操作者均来自受信身份，不接收请求自报。 */
     private static void require(Actor actor){if(actor==null || actor.mode()!=ActorMode.PDA || actor.operatorId()==null || actor.boundWarehouseId()==null)throw new BizException(ResultCode.FORBIDDEN,"仅绑定仓作业人员可读取PDA作业");}
     /** 缺失计数不作为业务标识使用。 */

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/service/DispatchService.java

@@ -212,32 +212,22 @@ public class DispatchService {
     public record WholeSource(DispatchPalletCandidate candidate,
         com.baiyue.lastleg.dispatch.port.DispatchCommands.CargoSelection selection, String sourceKey, String sourceVersion) { }
 
-    /** 新公开候选一次读取同仓多客户；草稿排除只能使用当前操作者实际拥有的草稿。 */
-    public List<DispatchPalletCandidate> wholeCandidates(String operator,
-        com.baiyue.lastleg.dispatch.port.DispatchPlanningModels.CandidateQuery query) {
+    /** 总数与当前页同事务读取；页外候选不参与逐组装配。 */
+    public record CandidatePage(List<DispatchPalletCandidate> rows,long total) { }
+
+    /** 草稿所有权先验证，数据库分页后才读取测量和原生退货物理身份。 */
+    public CandidatePage candidatePage(String operator,CandidateQuery query) {
         validateSourceStage(query.sourceStage());
         if(query.draftToken()!=null && drafts.findActiveByOperator(operator).stream()
             .noneMatch(d -> query.draftToken().equals(d.getDraftToken())))
             throw new ResponseStatusException(HttpStatus.FORBIDDEN,"不能读取其他操作者的草稿来源");
-        var result=new java.util.ArrayList<DispatchPalletCandidate>();
-        if(!"RELABEL".equals(query.sourceStage())) result.addAll(wholeSources.availablePlans(query));
-        if(query.planIds()==null || query.planIds().isEmpty()) {
-            if(planIdsForReturns(query.sourceStage())) result.addAll(wholeSources.availableReturns(query));
-            if(query.sourceStage()==null || Set.of("RECEIVED","RELABEL").contains(query.sourceStage())) {
-                var rows=wholeSources.availableRelabel(query);
-                if(rows.size()>1000) throw new ResponseStatusException(HttpStatus.BAD_REQUEST,"候选来源超过1000项，请缩小筛选范围");
-                result.addAll(measuredRelabelCandidates(rows));
-                result.addAll(returnRelabelStock.wholeCandidates(query.warehouseId(),query.orderNo()));
-            }
-        }
-        if(result.size()>1000) throw new ResponseStatusException(HttpStatus.BAD_REQUEST,"候选来源超过1000项，请缩小筛选范围");
-        return result.stream().filter(row -> query.destinationWarehouseCode()==null
-            || query.destinationWarehouseCode().equals(row.fbaWarehouseCode()))
-            .sorted(java.util.Comparator.comparing((DispatchPalletCandidate row) -> Objects.toString(row.customerId(),""))
-                .thenComparing(row -> Objects.toString(row.orderNo(),""))
-                .thenComparing(row -> Objects.toString(row.palletNo(),""))).toList();
+        long total=wholeSources.candidateCount(query);
+        var rows=wholeSources.candidatePage(query);
+        measuredRelabelCandidates(rows.stream().filter(row->"RELABEL".equals(row.sourceStage()) && !row.returnCartonSource()).toList());
+        var nativeRows=rows.stream().filter(DispatchPalletCandidate::returnCartonSource).toList();
+        if(!nativeRows.isEmpty())returnRelabelStock.resolvePage(nativeRows);
+        return new CandidatePage(List.copyOf(rows),total);
     }
-
     /** 新主流程按来源真客户解析并先锁全部来源订单，最后锁库存；调用者已持整车父锁。 */
     @Transactional(propagation = org.springframework.transaction.annotation.Propagation.MANDATORY)
     public List<WholeSource> lockWholeSources(String warehouseId,

lastleg-service/src/main/java/com/baiyue/lastleg/dispatch/service/ReturnRelabelDispatchStock.java

@@ -27,11 +27,9 @@ public class ReturnRelabelDispatchStock {
         return resolve(candidates.nativeReturnRelabelAvailable(customer,orderNo,relabelNo));
     }
 
-    /** 整车候选只解析已经按仓限定且有界的原生退货记录。 */
-    public List<DispatchPalletCandidate> wholeCandidates(String warehouse,String orderNo) {
-        var rows=candidates.wholeNativeRelabelAvailable(warehouse,null,orderNo,null);
-        if(rows.size()>1000) throw conflict("候选来源超过1000项，请缩小筛选范围");
-        return resolve(rows);
+    /** 分页后仅核实本页原生退货实托；身份失效明确拒绝，不能静默缩页并返回错误总数。 */
+    public void resolvePage(List<DispatchPalletCandidate> rows) {
+        if(resolve(rows).size()!=rows.size())throw conflict("当前页退货托盘的实际仓或状态已变化，请核对后重查");
     }
 
     /** 物理托盘身份必须由原提供者核实，不能用显示托盘码伪造ID。 */

lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/work/AppointmentWorkDispatchMapper.java

@@ -18,10 +18,10 @@ public interface AppointmentWorkDispatchMapper {
     record ReferenceRow(long dispatchId,String batchKey,String batchNo,Long recordVersion,String customerId,String sourceKey,String destinationKey,int packages) { }
     record CandidateSource(long planPalletId,String customerId,String sourceStage,boolean locked,Long orderId,String destinationKey,Integer plannedPackages,Integer countedPackages) { }
     record CandidateBatch(String batchKey,String batchNo,Long recordVersion,String customerId,Long orderId,String sourceKey,String destinationKey,Integer packages,long allocated) { }
-    /** 一次读取整页真实客户/托盘的逐票实物及全来源有效占用。 */
+    /** 一次读取整页逐票来源及占用；仅预留但未收货的托盘仍按计划箱数预排。 */
     @Select("""
         <script>
-        SELECT p.id plan_pallet_id,p.customer_id,CASE WHEN p.warehouse_pallet_id IS NULL THEN 'PLAN' ELSE 'RECEIVED' END source_stage,
+        SELECT p.id plan_pallet_id,p.customer_id,CASE WHEN p.warehouse_pallet_id IS NULL OR (COALESCE(p.assignment_status,'')='RESERVED' AND COALESCE(p.actual_package_count,0)=0) THEN 'PLAN' ELSE 'RECEIVED' END source_stage,
           EXISTS(SELECT 1 FROM ll_dispatch_pallet_lock k WHERE (k.plan_pallet_id=p.id OR (p.warehouse_pallet_id IS NOT NULL AND k.warehouse_pallet_id=p.warehouse_pallet_id))
             AND k.status='ACTIVE' AND (k.dispatch_order_id IS NOT NULL OR k.expires_at>CURRENT_TIMESTAMP)) locked,
           l.order_id,CASE WHEN l.destination_type='PRIVATE' THEN CONCAT('CUSTOMER:',l.order_id) ELSE CONCAT('FBA:',l.fba_warehouse_code) END destination_key,
@@ -31,7 +31,7 @@ public interface AppointmentWorkDispatchMapper {
         LEFT JOIN ll_inbound_plan_pallet_allocation a ON a.pallet_id=p.id AND a.customer_id=p.customer_id
         LEFT JOIN ll_inbound_plan_line l ON l.id=a.line_id AND l.customer_id=a.customer_id
         WHERE <foreach collection='items' item='i' open='(' separator=' OR ' close=')'>(p.id=#{i.planPalletId} AND p.customer_id=#{i.customerId})</foreach>
-        GROUP BY p.id,p.customer_id,p.warehouse_pallet_id,l.order_id,l.destination_type,l.fba_warehouse_code
+        GROUP BY p.id,p.customer_id,p.warehouse_pallet_id,p.assignment_status,p.actual_package_count,l.order_id,l.destination_type,l.fba_warehouse_code
         ORDER BY p.id,l.order_id,l.destination_type,l.fba_warehouse_code LIMIT 20001
         </script>
         """)
@@ -98,7 +98,7 @@ public interface AppointmentWorkDispatchMapper {
     List<TransportRow> transportRows(@Param("batches") List<String> batches,@Param("trips") List<String> trips);
     @Select("SELECT i.id item_id,i.plan_pallet_id,i.customer_id,i.source_stage,i.package_count packages FROM ll_dispatch_item i JOIN ll_dispatch_order d ON d.id=i.dispatch_order_id WHERE d.dispatch_no=#{number}") List<DispatchPhysical> dispatchPhysical(String number);
     @Select("SELECT id item_id,plan_pallet_id,customer_id,source_stage,package_count packages FROM ll_dispatch_item WHERE dispatch_order_id=#{id} ORDER BY id") List<DispatchPhysical> dispatchPhysicalById(long id);
-    @Select("SELECT DISTINCT p.id plan_pallet_id,p.pallet_no,p.plan_id,n.plan_no,p.customer_id,CASE WHEN p.warehouse_pallet_id IS NULL THEN 'PLAN' ELSE 'RECEIVED' END source_stage,EXISTS(SELECT 1 FROM ll_dispatch_pallet_lock k WHERE (k.plan_pallet_id=p.id OR (p.warehouse_pallet_id IS NOT NULL AND k.warehouse_pallet_id=p.warehouse_pallet_id)) AND k.status='ACTIVE' AND (k.dispatch_order_id IS NOT NULL OR k.expires_at>CURRENT_TIMESTAMP)) locked FROM ll_inbound_plan_pallet p JOIN ll_inbound_plan n ON n.id=p.plan_id JOIN ll_inbound_plan_pallet_allocation a ON a.pallet_id=p.id JOIN ll_inbound_plan_line l ON l.id=a.line_id JOIN ll_inbound_fba_appointment_item i ON i.order_id=l.order_id AND i.customer_id=l.customer_id AND i.active=1 WHERE i.appointment_id=#{id} ORDER BY p.id LIMIT 501")
+    @Select("SELECT DISTINCT p.id plan_pallet_id,p.pallet_no,p.plan_id,n.plan_no,p.customer_id,CASE WHEN p.warehouse_pallet_id IS NULL OR (COALESCE(p.assignment_status,'')='RESERVED' AND COALESCE(p.actual_package_count,0)=0) THEN 'PLAN' ELSE 'RECEIVED' END source_stage,EXISTS(SELECT 1 FROM ll_dispatch_pallet_lock k WHERE (k.plan_pallet_id=p.id OR (p.warehouse_pallet_id IS NOT NULL AND k.warehouse_pallet_id=p.warehouse_pallet_id)) AND k.status='ACTIVE' AND (k.dispatch_order_id IS NOT NULL OR k.expires_at>CURRENT_TIMESTAMP)) locked FROM ll_inbound_plan_pallet p JOIN ll_inbound_plan n ON n.id=p.plan_id JOIN ll_inbound_plan_pallet_allocation a ON a.pallet_id=p.id JOIN ll_inbound_plan_line l ON l.id=a.line_id JOIN ll_inbound_fba_appointment_item i ON i.order_id=l.order_id AND i.customer_id=l.customer_id AND i.active=1 WHERE i.appointment_id=#{id} ORDER BY p.id LIMIT 501")
     List<Candidate> candidates(long id);
     @Select("SELECT l.order_id,l.customer_id,CASE WHEN l.destination_type='PRIVATE' THEN CONCAT('CUSTOMER:',l.order_id) ELSE CONCAT('FBA:',l.fba_warehouse_code) END destination_key,CASE WHEN COUNT(a.planned_package_count)=COUNT(a.line_id) THEN SUM(a.planned_package_count) END planned_packages,CASE WHEN COUNT(a.counted_package_count)=COUNT(a.line_id) THEN SUM(a.counted_package_count) END counted_packages FROM ll_inbound_plan_pallet_allocation a JOIN ll_inbound_plan_line l ON l.id=a.line_id AND l.customer_id=a.customer_id WHERE a.pallet_id=#{pallet} AND a.customer_id=#{customer} GROUP BY l.order_id,l.customer_id,l.destination_type,l.fba_warehouse_code")
     List<Physical> physical(@Param("pallet") long pallet,@Param("customer") String customer);

lastleg-service/src/main/resources/openapi/overseas-business-v1.yaml

@@ -888,8 +888,8 @@ paths:
         '422': { description: 排车单没有可打印的 BOL 明细 }
   /api/platform/v1/last-leg/dispatches/candidates:
     get:
-      summary: 读取真实候选及来源版本
-      description: 权限 platform:overseas-warehouse:dispatch:list。
+      summary: 分页读取真实候选及来源版本
+      description: 权限 platform:overseas-warehouse:dispatch:list。数据库按客户、订单、托盘和来源身份稳定排序分页；总数与当前页来自同一只读快照。selectionGroup仍包含完整同托及整申请来源，可包含页外成员；选取时服务端再次权威解析，不以当前页充当完整组。
       security:
       - bearerAuth: []
       responses:
@@ -947,6 +947,26 @@ paths:
         in: query
         schema:
           type: string
+      - name: page
+        in: query
+        schema:
+          type: integer
+          minimum: 1
+          default: 1
+      - name: size
+        in: query
+        schema:
+          type: integer
+          minimum: 1
+          maximum: 50
+          default: 20
+      - name: warehouseTab
+        in: query
+        description: 对起运仓名称和编码的服务端页签筛选，在统计和分页前生效。
+        schema:
+          type: string
+          enum: [ALL, LAX, NYC]
+          default: ALL
   /api/platform/v1/last-leg/dispatches/drafts/pre-arrange:
     post:
       summary: 将所有非空容器原子转换为整车
@@ -6972,6 +6992,19 @@ components:
           nullable: true
         complete:
           type: boolean
+          description: 仅当前响应包含筛选后的全部候选时为true；分页中的false不影响每个selectionGroup的完整性。
+        total:
+          type: string
+          pattern: ^[0-9]+$
+          description: 同一筛选下的来源总行数。
+        page:
+          type: integer
+        size:
+          type: integer
+        pages:
+          type: string
+          pattern: ^[0-9]+$
+      required: [candidates, snapshotAt, complete, total, page, size, pages]
     DispatchDraftContainer:
       type: object
       x-java-record: DispatchPlanningModels.DraftContainer