refactor: 安全提取纯净BOM编号，将原后缀输入框改为备注功能

inventory-web/src/views/bom/BomManage.vue

@@ -87,17 +87,20 @@
         </el-row>
 
         <el-row :gutter="20">
-          <el-col :span="14">
-            <el-form-item label="BOM 编号" required v-if="hasFormFieldPermission('bom_suffix')">
-              <el-input v-model="form.bom_suffix" placeholder="输入后缀 (如 -001)" :disabled="isEditMode">
-                <template #prepend v-if="form.bom_prefix">{{ form.bom_prefix }}</template>
-              </el-input>
+          <el-col :span="10">
+            <el-form-item label="BOM 编号" required v-if="hasFormFieldPermission('bom_no')">
+              <el-input v-model="form.bom_no" placeholder="选择父件后自动生成" disabled />
               <div style="font-size: 12px; color: #909399; line-height: 1.2; margin-top: 4px;">
-                最终编号: <span style="font-weight: bold">{{ fullBomNo }}</span>
+                编号预览: <span style="font-weight: bold">{{ form.bom_no || '请选择父件' }}</span>
               </div>
             </el-form-item>
           </el-col>
-          <el-col :span="10">
+          <el-col :span="6">
+            <el-form-item label="备注" v-if="hasFormFieldPermission('remark')">
+              <el-input v-model="form.remark" placeholder="备注信息（可选）" />
+            </el-form-item>
+          </el-col>
+          <el-col :span="8">
             <!-- 任务1：另存为模式显示版本选项，新建/编辑模式显示输入框 -->
             <el-form-item label="版本号" prop="version" v-if="hasFormFieldPermission('version')">
               <template v-if="isSaveAsMode">
@@ -269,7 +272,7 @@ const permissionMap: Record<string, string> = {
   // 表单字段
   parent_id: 'bom_manage:parent_id',
   is_enabled: 'bom_manage:status',
-  bom_suffix: 'bom_manage:bom_no',
+  bom_no: 'bom_manage:bom_no',
   child_id: 'bom_manage:child_id',
   dosage: 'bom_manage:dosage',
   remark: 'bom_manage:remark',
@@ -295,8 +298,8 @@ const hasFormFieldPermission = (fieldName: string) => {
 
 const formRef = ref<FormInstance>()
 const form = reactive({
-  bom_prefix: '',  // 自动生成的父件规格前缀
-  bom_suffix: '',  // 用户输入的后缀
+  bom_no: '',      // 纯净的 BOM 编号（从父件规格提取）
+  remark: '',      // BOM 备注信息
   parent_id: null as number | null,
   version: 'V1.0',
   versionUpgradeType: 'minor' as 'minor' | 'major',  // 任务1：另存为时的版本升级类型
@@ -304,13 +307,8 @@ const form = reactive({
   children: [] as ChildRow[]
 })
 
-// 计算最终的 BOM 编号
-const fullBomNo = computed(() => {
-  if (form.bom_prefix) {
-    return form.bom_prefix + (form.bom_suffix ? ('-' + form.bom_suffix) : '')
-  }
-  return form.bom_suffix
-})
+// 纯净 BOM 编号（直接从表单获取，无拼接逻辑）
+const pureBomNo = computed(() => form.bom_no)
 
 // 任务1：根据原版本号计算升级选项（智能避让已占用版本）
 const versionOptions = computed(() => {
@@ -390,13 +388,15 @@ const fetchMaterialOptions = async () => {
   }
 }
 
-// 监听父件变化，自动设置前缀
+// 监听父件变化，自动设置纯净的 BOM 编号
 const onParentChange = (val: number) => {
   const selected = materialOptions.value.find(m => m.id === val)
   if (selected && selected.spec) {
-    form.bom_prefix = selected.spec
+    // 安全提取：取 / 前面的部分作为纯净 BOM 编号
+    const rawSpec = selected.spec || ''
+    form.bom_no = rawSpec.split('/')[0].trim()
   } else {
-    form.bom_prefix = ''
+    form.bom_no = ''
   }
 }
 
@@ -464,17 +464,15 @@ const loadDetail = async (bomNo: string, version: string) => {
         remark: child.remark || ''
       }))
 
-      // 解析编号到 前缀/后缀
-      if (data.parent_spec && bomNo.startsWith(data.parent_spec)) {
-        form.bom_prefix = data.parent_spec
-        // 移除前缀和可能的分隔符
-        let suffix = bomNo.substring(data.parent_spec.length)
-        if (suffix.startsWith('-')) suffix = suffix.substring(1)
-        form.bom_suffix = suffix
+      // 解析编号：安全提取纯净 BOM 编号
+      if (data.parent_spec) {
+        form.bom_no = (data.parent_spec || '').split('/')[0].trim()
       } else {
-        form.bom_prefix = ''
-        form.bom_suffix = bomNo
+        // 无父件规格时直接使用 bom_no
+        form.bom_no = bomNo.split('/')[0].trim()
       }
+      // 加载备注信息
+      form.remark = data.remark || ''
     }
   } catch (e) {
     // 错误已由全局拦截器统一处理
@@ -496,8 +494,8 @@ const handleDelete = (row: BomItem) => {
 }
 
 const resetForm = () => {
-  form.bom_prefix = ''
-  form.bom_suffix = ''
+  form.bom_no = ''
+  form.remark = ''
   form.parent_id = null
   form.version = 'V1.0'
   form.versionUpgradeType = 'minor'
@@ -517,7 +515,7 @@ const submitForm = async () => {
   if (!formRef.value) return
   await formRef.value.validate(async (valid) => {
     if (!valid) return
-    if (!fullBomNo.value) return ElMessage.warning('BOM编号不能为空')
+    if (!pureBomNo.value) return ElMessage.warning('BOM编号不能为空')
     if (form.children.length === 0) return ElMessage.warning('请至少添加一个子件')
 
     // 任务1：提交前校验重复子件
@@ -543,7 +541,8 @@ const submitForm = async () => {
     }
 
     const payload = {
-      bom_no: fullBomNo.value,
+      bom_no: pureBomNo.value,
+      remark: form.remark,
       version: form.version,
       parent_id: form.parent_id,
       is_enabled: form.is_enabled,