fix(frontend)+chore(deploy): 修复明细表格渲染 + static/ 改服务器构建

- SalesOrdersTab/PurchaseOrdersTab/MaterialsTab/ProductsTab: t-table 明细行不渲染（push/splice 改新数组引用）+ Decimal 算术类型错误（Number() 包裹）
- static/ 不再进 git（.gitignore），改为 deploy.sh 在服务器 npm run build
- 新增 deploy.sh：拉取 + 构建前端 + 重启后端

frontend/src/modules/inventory/components/MaterialsTab.vue

@@ -98,16 +98,16 @@ async function openRestockModal() {
 }
 
 function addRestockItem() {
-  restockItems.value.push({
+  restockItems.value = [...restockItems.value, {
     material_id: state.materials[0]?.id || null,
     quantity: 1,
     unit_price: 0,
     remark: ''
-  })
+  }]
 }
 
 function removeRestockItem(index: number) {
-  restockItems.value.splice(index, 1)
+  restockItems.value = restockItems.value.filter((_, i) => i !== index)
 }
 
 const restockTotalAmount = computed(() => {

frontend/src/modules/inventory/components/ProductsTab.vue

@@ -51,14 +51,14 @@ async function editProduct(product: any) {
 }
 
 function addBomItem() {
-  bomItems.value.push({
+  bomItems.value = [...bomItems.value, {
     material_id: state.materials[0]?.id || null,
     quantity: 1
-  })
+  }]
 }
 
 function removeBomItem(index: number) {
-  bomItems.value.splice(index, 1)
+  bomItems.value = bomItems.value.filter((_, i) => i !== index)
 }
 
 async function saveProduct() {

frontend/src/modules/inventory/components/PurchaseOrdersTab.vue

@@ -101,15 +101,15 @@ function openCreateOrder() {
 }
 
 function addOrderItem() {
-  orderItems.value.push({
+  orderItems.value = [...orderItems.value, {
     product_id: state.materials[0]?.id || null,
     quantity: 1,
     remark: ''
-  })
+  }]
 }
 
 function removeOrderItem(index: number) {
-  orderItems.value.splice(index, 1)
+  orderItems.value = orderItems.value.filter((_, i) => i !== index)
 }
 
 const orderTotalAmount = computed(() => {

frontend/src/modules/inventory/components/SalesOrdersTab.vue

@@ -66,7 +66,7 @@ function openCreateOrder() {
 }
 
 function addMoldItem() {
-  moldItems.value.push({
+  moldItems.value = [...moldItems.value, {
     mold_mode: 'new',
     mold_sku: '',
     mold_name: '',
@@ -74,11 +74,11 @@ function addMoldItem() {
     quantity: 1,
     unit_price: 0,
     remark: ''
-  })
+  }]
 }
 
 function removeMoldItem(index: number) {
-  moldItems.value.splice(index, 1)
+  moldItems.value = moldItems.value.filter((_, i) => i !== index)
 }
 
 const orderTotalAmount = computed(() => {
@@ -263,15 +263,15 @@ function openConsumptionModal() {
 }
 
 function addConsumptionItem() {
-  consumptionItems.value.push({
+  consumptionItems.value = [...consumptionItems.value, {
     material_id: state.materials[0]?.id || null,
     quantity: 1,
     remark: ''
-  })
+  }]
 }
 
 function removeConsumptionItem(index: number) {
-  consumptionItems.value.splice(index, 1)
+  consumptionItems.value = consumptionItems.value.filter((_, i) => i !== index)
 }
 
 const consumptionTotalAmount = computed(() => {