feat: 支持工作流文件节点多格式文档导出

- 补齐 md/html/pdf/docx 导出与统一渲染服务

- 收口文件生成节点配置与格式校验

- 修复 PDF 中文字体与 Markdown 渲染链路

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

@@ -4,10 +4,9 @@
   import {Button, Chosen, Heading, Input, Select, Textarea} from '../base';
   import RefParameterList from '../core/RefParameterList.svelte';
   import {getCurrentNodeId} from '#components/utils/NodeUtils';
-  import {useAddParameter} from '../utils/useAddParameter.svelte';
+  import {fillParameterId, useAddParameter} from '../utils/useAddParameter.svelte';
   import {getOptions} from '../utils/NodeUtils';
   import OutputDefList from '../core/OutputDefList.svelte';
-  import {fillParameterId} from '../utils/useAddParameter.svelte.js';
   import ParamTokenEditor from '../core/ParamTokenEditor.svelte';
 
   const { data, ...rest }: {
@@ -23,15 +22,31 @@
     const editorParameters = $derived.by(() => {
         return (currentNode?.current?.data?.parameters as Array<any>) || data.parameters || [];
     });
+    const currentNodeData = $derived.by(() => {
+        return (currentNode?.current?.data as Record<string, any>) || (data as Record<string, any>) || {};
+    });
 
     const updateNodeData = (data: Record<string, any>) => {
         updateNodeDataInner(currentNodeId, data);
     };
 
-    const updateNodeDataByEvent = (name: string, event: Event) => {
-        updateNodeData({
-            [name]: (event.target as any)?.value
-        });
+    const resolveFormValue = (form: any) => {
+        return form.resolveValue?.(currentNodeData) ?? currentNodeData?.[form.name] ?? form.defaultValue;
+    };
+
+    const resolveFormOptions = (form: any) => {
+        return form.resolveOptions?.(currentNodeData) ?? form.options ?? [];
+    };
+
+    const updateFormValue = (form: any, nextValue: any) => {
+        const patch = form.onValueChange?.(nextValue, currentNodeData) ?? {
+            [form.name]: nextValue
+        };
+        updateNodeData(patch);
+    };
+
+    const updateNodeDataByEvent = (form: any, event: Event) => {
+        updateFormValue(form, (event.target as any)?.value);
     };
 
     const node = {
@@ -118,21 +133,21 @@
                             mode="input"
                             placeholder={form.placeholder}
                             style="width: 100%"
-                            value={data[form.name] || form.defaultValue}
+                            value={resolveFormValue(form)}
                             parameters={editorParameters}
                             {...form.attrs}
-                            oninput={(e)=>{
-                                updateNodeDataByEvent(form.name,e)
+                            oninput={(e:any)=>{
+                                updateNodeDataByEvent(form,e)
                             }}
                         />
                     {:else}
                         <Input
                             placeholder={form.placeholder}
                             style="width: 100%"
-                            value={data[form.name] || form.defaultValue}
+                            value={resolveFormValue(form)}
                             {...form.attrs}
                             onchange={(e)=>{
-                                updateNodeDataByEvent(form.name,e)
+                                updateNodeDataByEvent(form,e)
                             }}
                         />
                     {/if}
@@ -146,11 +161,11 @@
                             rows={3}
                             placeholder={form.placeholder}
                             style="width: 100%"
-                            value={data[form.name] || form.defaultValue}
+                            value={resolveFormValue(form)}
                             parameters={editorParameters}
                             {...form.attrs}
-                            oninput={(e)=>{
-                                updateNodeDataByEvent(form.name,e)
+                            oninput={(e:any)=>{
+                                updateNodeDataByEvent(form,e)
                             }}
                         />
                     {:else}
@@ -158,10 +173,10 @@
                             rows={3}
                             placeholder={form.placeholder}
                             style="width: 100%"
-                            value={data[form.name] || form.defaultValue}
+                            value={resolveFormValue(form)}
                             {...form.attrs}
                             onchange={(e)=>{
-                                updateNodeDataByEvent(form.name,e)
+                                updateNodeDataByEvent(form,e)
                             }}
                         />
                     {/if}
@@ -176,19 +191,16 @@
                             type="range"
                             {...form.attrs}
                             value={data[form.name] ?? form.defaultValue}
-                            oninput={(e) => updateNodeData({ [form.name]: parseFloat(e.target.value) })}
+                            oninput={(e:any) => updateNodeData({ [form.name]: parseFloat(e.target.value) })}
                         />
                     </div>
                 </div>
             {:else if form.type === 'select'}
                 <div class="setting-title">{form.label}</div>
                 <div class="setting-item">
-                    <Select items={form.options||[]} style="width: 100%" placeholder={form.placeholder} onSelect={(item)=>{
-                      const newValue = item.value;
-                      updateNodeData({
-                              [form.name]: newValue
-                      })
-                }} value={data[form.name] ? [data[form.name]] : [form.defaultValue]} />
+                    <Select items={resolveFormOptions(form)} style="width: 100%" placeholder={form.placeholder} onSelect={(item)=>{
+                      updateFormValue(form, item.value)
+                }} value={[resolveFormValue(form)]} />
                 </div>
             {:else if form.type === 'chosen'}
                 <div class="setting-title">{form.label}</div>

easyflow-ui-admin/packages/tinyflow-ui/src/types.ts

@@ -46,6 +46,12 @@ export type CustomNodeForm = {
   defaultValue?: string | number | boolean;
   attrs?: Record<string, any>;
   options?: SelectItem[];
+  resolveValue?: (data: Record<string, any>) => string | number | boolean | undefined;
+  resolveOptions?: (data: Record<string, any>) => SelectItem[];
+  onValueChange?: (
+    value: string | number | boolean | undefined,
+    data: Record<string, any>,
+  ) => Record<string, any> | void;
   templateSupport?: boolean;
   chosen?: {
     labelDataKey: string;
@@ -66,6 +72,7 @@ export type CustomNode = {
   icon?: string;
   sortNo?: number;
   group?: 'base' | 'tools';
+  renderFirst?: boolean;
   rootClass?: string;
   rootStyle?: string;
   parameters?: Parameter[];