fix: validate hq abbreviation

src/components/01_branch-management/FormBranchInformation.vue

@@ -58,6 +58,11 @@ function formatCode(input: string | undefined, type: 'code' | 'number') {
           :label="$t('formDialogHqAbbreviation')"
           for="input-abbreviation"
           :model-value="view ? formatCode(abbreviation, 'code') : abbreviation"
+          :rules="[
+            (val) =>
+              (val && val.length > 0 && /[a-zA-Z]+/.test(val)) ||
+              $t('formDialogInputHqAbbreviation'),
+          ]"
           @update:model-value="(v) => (abbreviation = v as string)"
         />
         <q-input