feat: 优化工作流字段化参数配置

- 开始节点固定 user_input 并区分系统入口与自定义参数

- LLM 与知识库节点切换为字段值加上游引用配置

- 单节点调试改为字段预览与上游引用输入模式

easyflow-ui-admin/packages/tinyflow-ui/src/components/nodes/LLMNode.svelte

@@ -9,8 +9,14 @@
   import {getOptions} from '../utils/NodeUtils';
   import {onMount} from 'svelte';
   import OutputDefList from '../core/OutputDefList.svelte';
-  import type {SelectItem} from '#types';
+  import type {Parameter, SelectItem} from '#types';
   import ParamTokenEditor from '../core/ParamTokenEditor.svelte';
+  import {
+    buildEditorReferenceParameters,
+    FIELD_BINDING_META_KEY,
+    syncManagedParametersForFields,
+    updateFieldBindingMeta,
+  } from '../../utils/workflowNodeFields';
 
   const { data, ...rest }: {
         data: NodeProps['data'],
@@ -20,11 +26,14 @@
     const currentNodeId = getCurrentNodeId();
     let currentNode = useNodesData(currentNodeId);
     const { addParameter } = useAddParameter();
-    const { nodes } = $derived(useStore());
+    const { nodes, edges } = $derived(useStore());
     const editorParameters = $derived.by(() => {
-        const parameters = [
-            ...(((currentNode?.current?.data?.parameters as Array<any>) || data.parameters || []) as Array<any>)
-        ];
+        const parameters = buildEditorReferenceParameters(
+            currentNodeId,
+            nodes || [],
+            edges || [],
+            (((currentNode?.current?.data?.parameters as Array<Parameter>) || data.parameters || []) as Array<Parameter>)
+        );
         if (queryContextNodeIds.length > 0) {
             parameters.push({
                 id: 'queryDataContext',
@@ -109,6 +118,23 @@
     });
 
     const { updateNodeData } = useSvelteFlow();
+    const syncFieldValue = (fieldName: 'systemPrompt' | 'userPrompt', nextValue: string) => {
+        const currentData = ((currentNode?.current?.data as Record<string, any>) || data || {}) as Record<string, any>;
+        const nextFieldValues = {
+            systemPrompt: fieldName === 'systemPrompt' ? nextValue : (currentData.systemPrompt || ''),
+            userPrompt: fieldName === 'userPrompt' ? nextValue : (currentData.userPrompt || ''),
+        };
+        updateNodeData(currentNodeId, {
+            [fieldName]: nextValue,
+            parameters: syncManagedParametersForFields(
+                (currentData.parameters as Array<Parameter>) || [],
+                editorParameters,
+                nextFieldValues
+            ),
+            [FIELD_BINDING_META_KEY]: updateFieldBindingMeta(currentData, fieldName, nextValue),
+        });
+    };
+
     const setOutType = (value: string) => {
         updateNodeData(currentNodeId, () => {
             return {
@@ -175,7 +201,7 @@
 </script>
 
 
-<NodeWrapper {data} {...rest}>
+<NodeWrapper {data} {...rest} wrapperClass="tf-node-wrapper--llm">
 
     {#snippet icon()}
         <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor">
@@ -185,18 +211,6 @@
     {/snippet}
 
     <div class="heading">
-        <Heading level={3}>输入参数</Heading>
-        <Button class="input-btn-more" style="margin-left: auto" onclick={()=>{
-            addParameter(currentNodeId)
-        }}>
-            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor">
-                <path d="M11 11V5H13V11H19V13H13V19H11V13H5V11H11Z"></path>
-            </svg>
-        </Button>
-    </div>
-    <RefParameterList />
-
-    <div class="heading" style="padding-top: 10px">
         <Heading level={3}>图片识别</Heading>
         <Button class="input-btn-more" style="margin-left: auto" onclick={()=>{
             addParameter(currentNodeId, "images")
@@ -250,7 +264,7 @@
                                 max="1"
                                 step="0.1"
                                 value={data.temperature ?? 0.7}
-                                oninput={(e) => updateNodeData(currentNodeId, { temperature: parseFloat(e.target.value) })}
+                                oninput={(e) => updateNodeData(currentNodeId, { temperature: parseFloat((e.target as HTMLInputElement).value) })}
                             />
                         </div>
                     </div>
@@ -265,7 +279,7 @@
                                 max="1"
                                 step="0.1"
                                 value={data.topP ?? 0.9}
-                                oninput={(e) => updateNodeData(currentNodeId, { topP: parseFloat(e.target.value) })}
+                                oninput={(e) => updateNodeData(currentNodeId, { topP: parseFloat((e.target as HTMLInputElement).value) })}
                             />
                         </div>
                     </div>
@@ -280,7 +294,7 @@
                                 max="100"
                                 step="1"
                                 value={data.topK ?? 50}
-                                oninput={(e) => updateNodeData(currentNodeId, { topK: parseInt(e.target.value) })}
+                                oninput={(e) => updateNodeData(currentNodeId, { topK: parseInt((e.target as HTMLInputElement).value) })}
                             />
                         </div>
                     </div>
@@ -298,11 +312,9 @@
             placeholder="请输入系统提示词"
             style="width: 100%"
             parameters={editorParameters}
-            value={data.systemPrompt || ''}
-            oninput={(e)=>{
-                updateNodeData(currentNodeId, {
-                    systemPrompt: e.target.value
-                });
+            value={String(data.systemPrompt || '')}
+            oninput={(e: any)=>{
+                syncFieldValue('systemPrompt', e.target.value);
             }}
         />
     </div>
@@ -315,11 +327,9 @@
             placeholder="请输入用户提示词"
             style="width: 100%"
             parameters={editorParameters}
-            value={data.userPrompt || ''}
-            oninput={(e)=>{
-                updateNodeData(currentNodeId, {
-                    userPrompt: e.target.value
-                });
+            value={String(data.userPrompt || '')}
+            oninput={(e: any)=>{
+                syncFieldValue('userPrompt', e.target.value);
             }}
         />
     </div>
@@ -333,7 +343,7 @@
             label: 'JSON',
             value: 'json'
         }]} style="width: 100px;margin-left: auto" onSelect={(item)=>{
-              setOutType(item.value);
+              setOutType(String(item.value));
         }} value={data.outType ? [data.outType] : []} />
     </div>
     <OutputDefList />