fix: allocate pallet locations on weight confirmation

warehouse/src/main/resources/openapi/location-block-v1.yaml

@@ -23,6 +23,16 @@ paths:
         content: { application/json: { schema: { $ref: '#/components/schemas/ConfirmRequest' } } }
       responses:
         '200': { $ref: '#/components/responses/BlockResponse' }
+  /internal/warehouse/v1/pallet-locations/blocks/expand:
+    post:
+      summary: 原子扩容整票库位块
+      description: 仅允许活动块从N扩至更大N；保留原资源标识，新增槽优先紧邻原连续普通位，缺口共享A0。
+      security: [{ internalServiceToken: [] }]
+      requestBody:
+        required: true
+        content: { application/json: { schema: { $ref: '#/components/schemas/ExpandRequest' } } }
+      responses:
+        '200': { $ref: '#/components/responses/BlockResponse' }
   /internal/warehouse/v1/pallet-locations/blocks/transfer:
     post:
       summary: 将整段资源归属转移给余量子入库单
@@ -81,6 +91,15 @@ components:
         businessId: { type: integer, format: int64, minimum: 1 }
         idempotencyKey: { type: string, maxLength: 128 }
         operatorId: { type: integer, format: int64, minimum: 1 }
+    ExpandRequest:
+      type: object
+      required: [blockId, businessId, requiredSlotCount, idempotencyKey, operatorId]
+      properties:
+        blockId: { type: integer, format: int64, minimum: 1 }
+        businessId: { type: integer, format: int64, minimum: 1 }
+        requiredSlotCount: { type: integer, minimum: 1, maximum: 200 }
+        idempotencyKey: { type: string, maxLength: 128 }
+        operatorId: { type: integer, format: int64, minimum: 1 }
     TransferRequest:
       type: object
       required: [blockId, sourceBusinessId, targetBusinessId, targetInboundCode, idempotencyKey, operatorId]