feat: simplify same-carton SKU editing

src/modules/first-leg/utils/firstLegOrder.test.mjs

@@ -185,10 +185,15 @@ test('counts one physical carton series for SKU lines in the same mixed-carton g
   const first = { ...validDraft().items[0], packingGroupNo: 'A', packageCount: 10, pieces: 20, unitsPerPackage: 2 }
   const second = { ...first, id: 'cargo-2', sku: 'SKU-002', pieces: 30, unitsPerPackage: 3 }
 
-  assert.equal(summarizeFirstLegCargo([first, second]).packageCount, 10)
+  assert.deepEqual(summarizeFirstLegCargo([first, second]), {
+    pieces: 50,
+    packageCount: 10,
+    grossWeightKg: first.grossWeightKg,
+    volumeCbm: first.volumeCbm,
+  })
   const draft = { ...validDraft(), fulfillmentType: 'ONE_CLICK_DROPSHIP', items: [first, second] }
-  assert.ok(!validateFirstLegOrderDraft(draft).some((message) => message.includes('混箱组合')))
+  assert.ok(!validateFirstLegOrderDraft(draft).some((message) => message.includes('同箱 SKU')))
 
   second.packageCount = 9
-  assert.ok(validateFirstLegOrderDraft(draft).includes('混箱组合 A 的箱数、包装类型和箱规必须一致'))
+  assert.ok(validateFirstLegOrderDraft(draft).includes('同箱 SKU 的箱数、包装类型、箱规、重量和体积必须一致'))
 })

src/modules/first-leg/utils/firstLegOrder.ts

@@ -150,8 +150,10 @@ export function validateFirstLegOrderDraft(draft: FirstLegOrderDraft) {
       const first = groups.get(group)
       if (!first) groups.set(group, item)
       else if (first.packageCount !== item.packageCount || first.packageType !== item.packageType
-        || first.lengthCm !== item.lengthCm || first.widthCm !== item.widthCm || first.heightCm !== item.heightCm) {
-        errors.push(`混箱组合 ${group} 的箱数、包装类型和箱规必须一致`)
+        || first.lengthCm !== item.lengthCm || first.widthCm !== item.widthCm || first.heightCm !== item.heightCm
+        || first.grossWeightKg !== item.grossWeightKg || first.netWeightKg !== item.netWeightKg
+        || first.volumeCbm !== item.volumeCbm) {
+        errors.push(`同箱 SKU 的箱数、包装类型、箱规、重量和体积必须一致`)
       }
     })
   }
@@ -164,13 +166,14 @@ export function summarizeFirstLegCargo(items: FirstLegCargoItem[]) {
   return items.reduce(
     (summary, item) => {
       const group = item.packingGroupNo.trim()
-      const packageCount = group && countedGroups.has(group) ? 0 : item.packageCount
+      const alreadyCounted = Boolean(group && countedGroups.has(group))
+      const packageCount = alreadyCounted ? 0 : item.packageCount
       if (group) countedGroups.add(group)
       return ({
       pieces: summary.pieces + item.pieces,
       packageCount: summary.packageCount + packageCount,
-      grossWeightKg: summary.grossWeightKg + item.grossWeightKg,
-      volumeCbm: summary.volumeCbm + item.volumeCbm,
+      grossWeightKg: summary.grossWeightKg + (alreadyCounted ? 0 : item.grossWeightKg),
+      volumeCbm: summary.volumeCbm + (alreadyCounted ? 0 : item.volumeCbm),
       })
     },
     { pieces: 0, packageCount: 0, grossWeightKg: 0, volumeCbm: 0 },