优化

tests/picking-state.test.mjs

@@ -7,6 +7,15 @@ const state = await import(`data:text/javascript;base64,${Buffer.from(source).to
 
 const items = [{ id: 1 }, { id: 2 }, { id: 3 }]
 
+test('inventory resources expose distinct locations and total available cartons', () => {
+  assert.deepEqual(state.summarizeInventoryResources([
+    { locationCode: 'A0', availablePackageCount: 4 },
+    { locationCode: 'A0', availablePackageCount: 2 },
+    { locationCode: 'B-03', availablePackageCount: 1 },
+  ]), { location: 'A0、B-03', availablePackageCount: 7 })
+  assert.deepEqual(state.summarizeInventoryResources(null), { location: '', availablePackageCount: null })
+})
+
 test('createItemStates initializes every item as pending', () => {
   assert.deepEqual(state.createItemStates(items), {
     1: state.ITEM_STATUS.PENDING,