fix(Terminology Configuration): Term name, synonyms cannot be repeated

frontend/src/i18n/en.json

@@ -6,6 +6,7 @@
     "AI Model Configuration": "AI Model Configuration"
   },
   "professional": {
+    "cannot_be_repeated": "Term name, synonyms cannot be repeated",
     "code_for_debugging": "Copy the following code for debugging",
     "full_screen_mode": "Full screen mode",
     "editing_terminology": "Editing Terminology",

frontend/src/i18n/zh-CN.json

@@ -6,6 +6,7 @@
     "AI Model Configuration": "模型配置"
   },
   "professional": {
+    "cannot_be_repeated": "术语名称，同义词不能重复",
     "code_for_debugging": "复制以下代码进行调试",
     "full_screen_mode": "全屏模式",
     "editing_terminology": "编辑术语",

frontend/src/views/system/professional/index.vue

@@ -222,6 +222,10 @@ const rules = {
 const saveHandler = () => {
   termFormRef.value.validate((res: any) => {
     if (res) {
+      const arr = [...pageForm.value.other_words.filter((ele) => !!ele), pageForm.value.word]
+      if (arr.length !== new Set(arr).size) {
+        return ElMessage.error(t('professional.cannot_be_repeated'))
+      }
       const obj = unref(pageForm)
       if (!obj.id) {
         delete obj.id