首页工作流执行：表单默认收起可展开、节点执行过程可视化（仿豆包）、失败支持重新执行/重新编辑、错误信息去重

- 提交后表单卡片默认收起（仅显示工作流标题），头部加明确展开/收起按钮
- node_start/node_complete 事件驱动节点步骤流，执行过程区仿豆包竖向展示
- 失败卡片拆分「重新执行」（复用已填值直接重跑）与「重新编辑」两按钮
- 失败消息只显示「❌ 执行失败」，错误详情由卡片 footer 展示，避免双处重复

Co-Authored-By: Claude <noreply@anthropic.com>

src/views/home/components/ChatList.vue

@@ -21,6 +21,7 @@
 					:form-error="msg.formError"
 					:progress="msg.formProgress"
 					@submit="emit('form-submit', msg, $event)"
+					@retry="emit('form-retry', msg, $event)"
 					@re-edit="emit('form-re-edit', msg)"
 					@cancel="emit('form-cancel', msg)"
 				/>
@@ -100,6 +101,7 @@ import { Delete, DocumentCopy, RefreshRight } from '@element-plus/icons-vue';
 import 'highlight.js/styles/github-dark.css';
 import { renderMarkdown } from '../utils/markdown';
 import type { WorkflowOutput } from '../utils/flowDsl';
+import type { WorkflowNodeProgress } from '../utils/wsMessage';
 import WorkflowFormCard from './WorkflowFormCard.vue';
 import WorkflowOutputCard from './WorkflowOutputCard.vue';
 
@@ -120,8 +122,8 @@ interface ChatMessage {
 	form?: any;
 	formStatus?: 'editing' | 'running' | 'done' | 'failed';
 	formError?: string;
-	// 工作流执行节点进度（后端 node_start/node_complete 事件推进，运行中显示）
-	formProgress?: { current: number; total: number; nodeName: string };
+	// 工作流执行节点进度（node_start/node_complete 事件驱动的节点步骤列表，渲染执行过程区）
+	formProgress?: WorkflowNodeProgress;
 	// 工作流执行产出文件列表（挂在 workflow 结果消息上，渲染产出卡片）
 	outputs?: WorkflowOutput[];
 }
@@ -131,6 +133,7 @@ interface Emits {
 	(e: 'regenerate', msg: ChatMessage): void;
 	(e: 'delete', msg: ChatMessage): void;
 	(e: 'form-submit', msg: ChatMessage, payload: any): void;
+	(e: 'form-retry', msg: ChatMessage, payload: any): void;
 	(e: 'form-re-edit', msg: ChatMessage): void;
 	(e: 'form-cancel', msg: ChatMessage): void;
 	(e: 'output-preview', msg: ChatMessage, output: WorkflowOutput): void;