fix(borrow,outbound): 库管弹窗必显审批人 + HTTP400去重toast

- 审批人 el-form-item 显隐加入 role==WAREHOUSE_MGR 判断
- 提交 catch 仅对无响应(网络)弹错，HTTP错误由全局拦截器按后端 data.msg 弹一次，避免重复

inventory-web/src/views/borrow/apply/index.vue

@@ -394,7 +394,7 @@
       </el-table>
 
       <el-form label-width="100px">
-        <el-form-item v-if="approvalNeedVisible" label="指定审批人">
+        <el-form-item v-if="approvalNeedVisible || (userStore.role || '').toUpperCase() === 'WAREHOUSE_MGR'" label="指定审批人">
           <div v-if="approvalNeedText" style="color:#E6A23C; font-size:12px; line-height:1.4; margin-bottom:4px;">
             以下物料需审批出库/借库：{{ approvalNeedText }}，请选择审批人
           </div>
@@ -1058,8 +1058,8 @@ const openRequestDialog = () => {
   requestApproverId.value = null
   requestExpectedReturn.value = ''
   requestIndefinite.value = false
-  approvalNeedVisible.value = false   // 打开时默认隐藏审批人，命中需审批时由预检显示
-  approvalNeedText.value = ''
+  approvalNeedVisible.value = (userStore.role || '').toUpperCase() === 'WAREHOUSE_MGR'  // 库管代建默认显示审批人
+  approvalNeedText.value = approvalNeedVisible.value ? '库管代建借库申请需审批，请选择审批人' : ''
   loadApprovers()
   requestDialogVisible.value = true
 }
@@ -1125,19 +1125,22 @@ const confirmSubmitRequest = async () => {
       is_indefinite: requestIndefinite.value
     }))
 
-    // ★ 提交前预检：判断所选物料是否需审批 → 只有需审批才显示并必选审批人
-    let needApproval = false
+    // ★ 提交前预检：库管(WAREHOUSE_MGR)代建一律需审批；否则命中需审批物料才需审批
+    const isKeeper = (userStore.role || '').toUpperCase() === 'WAREHOUSE_MGR'
+    let needApproval = isKeeper
     let flagged: any[] = []
     try {
       const chk: any = await checkBorrowApproval({ items })
-      needApproval = !!chk?.data?.need_approval
+      needApproval = needApproval || !!chk?.data?.need_approval
       flagged = chk?.data?.materials || []
-    } catch (e) { needApproval = false; flagged = [] }
+    } catch (e) { flagged = [] }
     approvalNeedVisible.value = needApproval
-    approvalNeedText.value = flagged.map((m: any) => `${m.name}（${m.spec_model || '-'}）`).join('；')
+    approvalNeedText.value = isKeeper && flagged.length === 0
+      ? '库管代建借库申请需审批，请选择审批人'
+      : flagged.map((m: any) => `${m.name}（${m.spec_model || '-'}）`).join('；')
 
     if (needApproval && !requestApproverId.value) {
-      ElMessage.warning(`以下物料需审批出库/借库：${approvalNeedText.value}。请先选择审批人`)
+      ElMessage.warning(`${approvalNeedText.value}。请先选择审批人`)
       return
     }
 
@@ -1155,7 +1158,8 @@ const confirmSubmitRequest = async () => {
     approvalNeedText.value = ''
     ElMessage.success('借库申请已提交（含需审批物料时将进入审批，否则直接交库管执行）')
   } catch (err: any) {
-    ElMessage.error(err?.message || err?.msg || '提交申请失败，请重试')
+    // 拦截器已按后端 data.msg 弹出业务错误(如“库管代建…必须选择审批人”)，HTTP 错误不再重复提示
+    if (!err?.response) ElMessage.error('网络异常，请重试')
   } finally {
     requestSubmitting.value = false
   }

inventory-web/src/views/outbound/Selection.vue

@@ -409,7 +409,7 @@
             <el-option label="维修出库" value="REPAIR" />
           </el-select>
         </el-form-item>
-        <el-form-item v-if="approvalNeedVisible" label="指定审批人">
+        <el-form-item v-if="approvalNeedVisible || (userStore.role || '').toUpperCase() === 'WAREHOUSE_MGR'" label="指定审批人">
           <div v-if="approvalNeedText" style="color:#E6A23C; font-size:12px; line-height:1.4; margin-bottom:4px;">
             以下物料需审批出库/借库：{{ approvalNeedText }}，请选择审批人
           </div>
@@ -1085,8 +1085,8 @@ const openRequestDialog = () => {
   }
   requestRemark.value = ''
   requestApproverId.value = null
-  approvalNeedVisible.value = false   // 打开时默认隐藏审批人，命中需审批时由预检显示
-  approvalNeedText.value = ''
+  approvalNeedVisible.value = (userStore.role || '').toUpperCase() === 'WAREHOUSE_MGR'  // 库管代建默认显示审批人
+  approvalNeedText.value = approvalNeedVisible.value ? '库管代建出库申请需审批，请选择审批人' : ''
   loadApprovers()
   requestDialogVisible.value = true
 }
@@ -1124,19 +1124,22 @@ const confirmSubmitRequest = async () => {
       quantity: item.export_quantity || 0
     }))
 
-    // ★ 提交前预检：判断所选物料是否需审批 → 只有需审批才显示并必选审批人
-    let needApproval = false
+    // ★ 提交前预检：库管(WAREHOUSE_MGR)代建一律需审批；否则命中需审批物料才需审批
+    const isKeeper = (userStore.role || '').toUpperCase() === 'WAREHOUSE_MGR'
+    let needApproval = isKeeper
     let flagged: any[] = []
     try {
       const chk: any = await checkOutboundApproval({ items })
-      needApproval = !!chk?.data?.need_approval
+      needApproval = needApproval || !!chk?.data?.need_approval
       flagged = chk?.data?.materials || []
-    } catch (e) { needApproval = false; flagged = [] }
+    } catch (e) { flagged = [] }
     approvalNeedVisible.value = needApproval
-    approvalNeedText.value = flagged.map((m: any) => `${m.name}（${m.spec_model || '-'}）`).join('；')
+    approvalNeedText.value = isKeeper && flagged.length === 0
+      ? '库管代建出库申请需审批，请选择审批人'
+      : flagged.map((m: any) => `${m.name}（${m.spec_model || '-'}）`).join('；')
 
     if (needApproval && !requestApproverId.value) {
-      ElMessage.warning(`以下物料需审批出库/借库：${approvalNeedText.value}。请先选择审批人`)
+      ElMessage.warning(`${approvalNeedText.value}。请先选择审批人`)
       return
     }
 
@@ -1156,7 +1159,8 @@ const confirmSubmitRequest = async () => {
     approvalNeedText.value = ''
     ElMessage.success('出库申请已提交（含需审批物料时将进入审批，否则直接交库管执行）')
   } catch (err: any) {
-    ElMessage.error(err?.message || err?.msg || '提交申请失败，请重试')
+    // 拦截器已按后端 data.msg 弹出业务错误(如“库管代建…必须选择审批人”)，HTTP 错误不再重复提示
+    if (!err?.response) ElMessage.error('网络异常，请重试')
   } finally {
     requestSubmitting.value = false
   }