fix: 修复提示词必填没有提示问题

ui/src/workflow/nodes/ai-chat-node/index.vue

@@ -116,7 +116,15 @@
             :autosize="{ minRows: 1, maxRows: 3 }"
           />
         </el-form-item>
-        <el-form-item label="提示词" prop="prompt">
+        <el-form-item
+          label="提示词"
+          prop="prompt"
+          :rules="{
+            required: true,
+            message: '请输入提示词',
+            trigger: 'blur'
+          }"
+        >
           <template #label>
             <div class="flex align-center">
               <div class="mr-4">

ui/src/workflow/nodes/question-node/index.vue

@@ -113,7 +113,15 @@
             :autosize="{ minRows: 1, maxRows: 3 }"
           />
         </el-form-item>
-        <el-form-item label="提示词" prop="prompt">
+        <el-form-item
+          label="提示词"
+          prop="prompt"
+          :rules="{
+            required: true,
+            message: '请输入提示词',
+            trigger: 'blur'
+          }"
+        >
           <template #label>
             <div class="flex align-center">
               <div class="mr-4">

ui/src/workflow/nodes/reply-node/index.vue

@@ -38,7 +38,7 @@
             ref="nodeCascaderRef"
             :nodeModel="nodeModel"
             class="w-full"
-            placeholder="请选择检索问题输入"
+            placeholder="请选择检索问题"
             v-model="form_data.fields"
           />
         </el-form-item>

ui/src/workflow/nodes/reranker-node/index.vue

@@ -88,7 +88,7 @@
           label="检索问题"
           prop="question_reference_address"
           :rules="{
-            message: '请选择检索问题输入',
+            message: '请选择检索问题',
             trigger: 'blur',
             required: true
           }"

ui/src/workflow/nodes/search-dataset-node/index.vue

@@ -80,10 +80,10 @@
           </div>
         </el-form-item>
         <el-form-item
-          label="检索问题输入"
+          label="检索问题"
           prop="question_reference_address"
           :rules="{
-            message: '请选择检索问题输入',
+            message: '请选择检索问题',
             trigger: 'blur',
             required: true
           }"
@@ -92,7 +92,7 @@
             ref="nodeCascaderRef"
             :nodeModel="nodeModel"
             class="w-full"
-            placeholder="请选择检索问题输入"
+            placeholder="请选择检索问题"
             v-model="form_data.question_reference_address"
           />
         </el-form-item>