refactor: remove unused tooltip styles and simplify tooltip implementation

Author: wxg0103

ui/src/workflow/index.vue

@@ -210,20 +210,4 @@ defineExpose({
 .lf-drag-able {
   cursor: pointer;
 }
-
-/* 全局样式，用于覆盖 teleport 到 body 的 tooltip 弹层背景 */
-.white-tooltip,
-.white-tooltip .el-popper,
-.white-tooltip .el-tooltip__popper {
-  background: #ffffff !important;
-  color: #222 !important;
-  border: 1px solid #e6e6e6 !important;
-  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06) !important;
-  padding: 8px 12px !important;
-}
-
-.white-tooltip .el-popper__arrow::before {
-  background: #ffffff !important;
-  border: 1px solid #e6e6e6 !important;
-}
 </style>

ui/src/workflow/nodes/image-to-video/index.vue

@@ -143,7 +143,6 @@
           />
         </el-form-item>
         <el-form-item
-          :label="$t('workflow.nodes.imageToVideoGenerate.first_frame.label')"
           :rules="{
             type: 'array',
             required: true,
@@ -159,7 +158,7 @@
                   }}<span class="color-danger">*</span></span
                 >
             </div>
-            <el-tooltip effect="dark" placement="right" popper-class="white-tooltip">
+            <el-tooltip effect="dark" placement="right" >
               <template #content>
                 <div style="white-space: pre-wrap; font-family: monospace;">{{
                     fileTooltip
@@ -178,7 +177,6 @@
           />
         </el-form-item>
         <el-form-item
-          :label="$t('workflow.nodes.imageToVideoGenerate.last_frame.label')"
           :rules="{
             type: 'array',
             required: false,
@@ -194,7 +192,7 @@
                   }}<span class="color-danger">*</span></span
                 >
             </div>
-            <el-tooltip effect="dark" placement="right" popper-class="white-tooltip">
+            <el-tooltip effect="dark" placement="right" >
               <template #content>
                 <div style="white-space: pre-wrap; font-family: monospace;">{{
                     fileTooltip

ui/src/workflow/nodes/image-understand/index.vue

@@ -189,7 +189,7 @@
                   }}<span class="color-danger">*</span></span
                 >
             </div>
-            <el-tooltip effect="dark" placement="right" popper-class="white-tooltip">
+            <el-tooltip effect="dark" placement="right" >
               <template #content>
                 <div style="white-space: pre-wrap; font-family: monospace;">{{
                     fileTooltip

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

@@ -78,7 +78,7 @@
                     {{ $t('workflow.nodes.searchDocumentNode.select_variable') }}
                     <span class="color-danger">*</span>
                   </span>
-                    <el-tooltip effect="dark" placement="right" popper-class="white-tooltip">
+                    <el-tooltip effect="dark" placement="right" >
                       <template #content>
                         <div style="white-space: pre-wrap; font-family: monospace;">{{
                             ['019d8ac3-e2c6-7ff2-8956-c9c98f0e11f4', '019d8ac3-e2c6-7ff2-8956-c9c98f0e11f3']

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

@@ -77,7 +77,7 @@
                     {{ $t('workflow.nodes.searchDocumentNode.select_variable') }}
                     <span class="color-danger">*</span>
                   </span>
-                    <el-tooltip effect="dark" placement="right" popper-class="white-tooltip">
+                    <el-tooltip effect="dark" placement="right" >
                       <template #content>
                         <div style="white-space: pre-wrap; font-family: monospace;">{{
                             ['019d8ac3-e2c6-7ff2-8956-c9c98f0e11f4', '019d8ac3-e2c6-7ff2-8956-c9c98f0e11f3']

ui/src/workflow/nodes/speech-to-text-node/index.vue

@@ -92,7 +92,7 @@
                   }}<span class="color-danger">*</span></span
                 >
               </div>
-              <el-tooltip effect="dark" placement="right" popper-class="white-tooltip">
+              <el-tooltip effect="dark" placement="right" >
                 <template #content>
                   <div style="white-space: pre-wrap; font-family: monospace;">{{
                       fileTooltip

ui/src/workflow/nodes/text-to-speech-node/index.vue

@@ -91,15 +91,6 @@
                   }}<span class="color-danger">*</span></span
                 >
               </div>
-              <el-tooltip effect="dark" placement="right" popper-class="max-w-200">
-                <template #content>
-                  <div style="white-space: pre-wrap; font-family: monospace;">{{
-                      ""
-                    }}
-                  </div>
-                </template>
-                <AppIcon iconName="app-warning" class="app-warning-icon"></AppIcon>
-              </el-tooltip>
             </div>
           </template>
           <NodeCascader

ui/src/workflow/nodes/video-understand/index.vue

@@ -190,7 +190,7 @@
                   }}<span class="color-danger">*</span></span
                 >
             </div>
-            <el-tooltip effect="dark" placement="right" popper-class="white-tooltip">
+            <el-tooltip effect="dark" placement="right" >
               <template #content>
                 <div style="white-space: pre-wrap; font-family: monospace;">{{
                     fileTooltip