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/utils/IdGen.ts

@@ -10,7 +10,7 @@ export const genUuid = () => {
   return '10000000-1000-4000-8000-100000000000'.replace(/[018]/g, (c: any) =>
     (
       c ^
-      (crypto.getRandomValues(new Uint8Array(1))[0] & (15 >> (c / 4)))
+      ((crypto.getRandomValues(new Uint8Array(1))[0] ?? 0) & (15 >> (c / 4)))
     ).toString(16),
   );
 };

easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/paramToken.test.ts

@@ -63,14 +63,20 @@ describe('paramToken utils', () => {
 
     expect(result).toEqual([
       {
+        dataType: undefined,
+        displayName: 'input',
         name: 'input',
         resolved: false,
       },
       {
+        dataType: undefined,
+        displayName: 'docs',
         name: 'docs',
         resolved: true,
       },
       {
+        dataType: undefined,
+        displayName: 'runtimeInput',
         name: 'runtimeInput',
         resolved: true,
       },

easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/paramToken.ts

@@ -2,6 +2,11 @@ export interface ParameterLike {
   name?: string;
   ref?: string;
   refType?: string;
+  resolved?: boolean;
+  disconnected?: boolean;
+  displayName?: string;
+  formLabel?: string;
+  dataType?: string;
   children?: ParameterLike[];
 }
 
@@ -27,6 +32,9 @@ export type TokenPart =
 export interface ParameterCandidate {
   name: string;
   resolved: boolean;
+  disconnected?: boolean;
+  displayName?: string;
+  dataType?: string;
 }
 
 const TOKEN_PATTERN = /\{\{\s*([^{}]+?)\s*}}/g;
@@ -46,6 +54,10 @@ function isParameterResolved(parameter?: ParameterLike): boolean {
     return false;
   }
 
+  if (typeof parameter.resolved === 'boolean') {
+    return parameter.resolved;
+  }
+
   const refType = (parameter.refType || '').trim();
   if (refType === 'fixed' || refType === 'input') {
     return true;
@@ -65,7 +77,13 @@ export function flattenParameterCandidates(
   const candidates: ParameterCandidate[] = [];
   const indexMap = new Map<string, number>();
 
-  const addCandidate = (name: string, resolved: boolean) => {
+  const addCandidate = (
+    name: string,
+    resolved: boolean,
+    disconnected: boolean,
+    displayName?: string,
+    dataType?: string,
+  ) => {
     const normalized = name.trim();
     if (!normalized) {
       return;
@@ -76,13 +94,26 @@ export function flattenParameterCandidates(
       candidates.push({
         name: normalized,
         resolved,
+        disconnected,
+        displayName: displayName?.trim() || normalized,
+        dataType,
       });
       return;
     }
 
     // 同名参数只要有一个可解析，就视为可解析
+    const existingCandidate = candidates[exists]!;
     if (resolved) {
-      candidates[exists].resolved = true;
+      existingCandidate.resolved = true;
+      existingCandidate.disconnected = false;
+    } else if (disconnected && !existingCandidate.resolved) {
+      existingCandidate.disconnected = true;
+    }
+    if (!existingCandidate.displayName && displayName?.trim()) {
+      existingCandidate.displayName = displayName.trim();
+    }
+    if (!existingCandidate.dataType && dataType) {
+      existingCandidate.dataType = dataType;
     }
   };
 
@@ -99,7 +130,18 @@ export function flattenParameterCandidates(
 
       const currentPath = parentPath ? `${parentPath}.${rawName}` : rawName;
       const currentResolved = inheritedResolved && isParameterResolved(item);
-      addCandidate(currentPath, currentResolved);
+      const currentDisconnected = item?.disconnected === true;
+      const displayName =
+        item?.displayName?.trim() ||
+        item?.formLabel?.trim() ||
+        currentPath;
+      addCandidate(
+        currentPath,
+        currentResolved,
+        currentDisconnected,
+        displayName,
+        item?.dataType,
+      );
 
       if (item.children && item.children.length > 0) {
         walk(item.children, currentPath, currentResolved);

easyflow-ui-admin/packages/tinyflow-ui/src/components/utils/useRefOptions.svelte.ts

@@ -27,8 +27,9 @@ const getChildren = (
     const dataType = nodeIsChildren
       ? `Array<${param.dataType || 'String'}>`
       : param.dataType || 'String';
+    const label = param.formLabel || param.displayName || param.name;
     return {
-      label: param.name,
+      label,
       dataType: dataType,
       value: parentId + '.' + param.name,
       selectable: true,
@@ -71,8 +72,10 @@ const nodeToOptions = (
         const dataType = nodeIsChildren
           ? `Array<${parameter.dataType || 'String'}>`
           : parameter.dataType || 'String';
+        const label =
+          parameter.formLabel || parameter.displayName || parameter.name;
         children.push({
-          label: parameter.name,
+          label,
           dataType: dataType,
           value: node.id + '.' + parameter.name,
           selectable: true,