fix: admin CreditManagement naming conflict (showAdjustDialog -> openAdjustDialog)

admin-frontend/src/views/CreditManagement.vue

@@ -84,7 +84,7 @@
             </el-table-column>
             <el-table-column label="操作" width="160" fixed="right">
               <template #default="{ row }">
-                <el-button size="small" @click="showAdjustDialog(row)">调整</el-button>
+                <el-button size="small" @click="openAdjustDialog(row)">调整</el-button>
               </template>
             </el-table-column>
           </el-table>
@@ -366,12 +366,12 @@ async function deletePlan(row) {
   } catch (e) { /* cancelled */ }
 }
 
-function showAdjustDialog(row) {
+  function openAdjustDialog(row) {
     adjustTarget.value = row
     adjustCredits.value = 0
     adjustReason.value = ''
     showAdjustDialog.value = true
-}
+  }
 async function confirmAdjust() {
   if (!adjustCredits.value) {
     ElMessage.warning('请输入调整次数')