fix: 修复TypeScript配置错误并更新项目文档

详细说明:
- 修复了@n8n/config包的TypeScript配置错误
- 移除了不存在的jest-expect-message类型引用
- 清理了所有TypeScript构建缓存
- 更新了可行性分析文档，添加了技术实施方案
- 更新了Agent prompt文档
- 添加了会展策划工作流文档
- 包含了n8n-chinese-translation子项目
- 添加了exhibition-demo展示系统框架

n8n-n8n-1.109.2/packages/@n8n/nodes-langchain/utils/descriptions 2.ts

@@ -0,0 +1,156 @@
+import type { DisplayCondition, INodeProperties, NodeParameterValue } from 'n8n-workflow';
+
+export const schemaTypeField: INodeProperties = {
+	displayName: 'Schema Type',
+	name: 'schemaType',
+	type: 'options',
+	noDataExpression: true,
+	options: [
+		{
+			name: 'Generate From JSON Example',
+			value: 'fromJson',
+			description: 'Generate a schema from an example JSON object',
+		},
+		{
+			name: 'Define using JSON Schema',
+			value: 'manual',
+			description: 'Define the JSON schema manually',
+		},
+	],
+	default: 'fromJson',
+	description: 'How to specify the schema for the function',
+};
+
+/**
+ * Returns a field for inputting a JSON example that can be used to generate the schema.
+ * @param props
+ */
+export const buildJsonSchemaExampleField = (props?: {
+	showExtraProps?: Record<string, Array<NodeParameterValue | DisplayCondition> | undefined>;
+}): INodeProperties => ({
+	displayName: 'JSON Example',
+	name: 'jsonSchemaExample',
+	type: 'json',
+	default: `{
+	"some_input": "some_value"
+}`,
+	noDataExpression: true,
+	typeOptions: {
+		rows: 10,
+	},
+	displayOptions: {
+		show: {
+			...props?.showExtraProps,
+			schemaType: ['fromJson'],
+		},
+	},
+	description: 'Example JSON object to use to generate the schema',
+});
+
+/**
+ * Returns a notice field about the generated schema properties being required by default.
+ * @param props
+ */
+export const buildJsonSchemaExampleNotice = (props?: {
+	showExtraProps?: Record<string, Array<NodeParameterValue | DisplayCondition> | undefined>;
+}): INodeProperties => ({
+	displayName:
+		"All properties will be required. To make them optional, use the 'JSON Schema' schema type instead",
+	name: 'notice',
+	type: 'notice',
+	default: '',
+	displayOptions: {
+		show: {
+			...props?.showExtraProps,
+			schemaType: ['fromJson'],
+		},
+	},
+});
+
+export const jsonSchemaExampleField = buildJsonSchemaExampleField();
+
+export const buildInputSchemaField = (props?: {
+	showExtraProps?: Record<string, Array<NodeParameterValue | DisplayCondition> | undefined>;
+}): INodeProperties => ({
+	displayName: 'Input Schema',
+	name: 'inputSchema',
+	type: 'json',
+	default: `{
+"type": "object",
+"properties": {
+	"some_input": {
+		"type": "string",
+		"description": "Some input to the function"
+		}
+	}
+}`,
+	noDataExpression: false,
+	typeOptions: {
+		rows: 10,
+	},
+	displayOptions: {
+		show: {
+			...props?.showExtraProps,
+			schemaType: ['manual'],
+		},
+	},
+	description: 'Schema to use for the function',
+	hint: 'Use <a target="_blank" href="https://json-schema.org/">JSON Schema</a> format (<a target="_blank" href="https://json-schema.org/learn/miscellaneous-examples.html">examples</a>). $refs syntax is currently not supported.',
+});
+
+export const inputSchemaField = buildInputSchemaField();
+
+export const promptTypeOptions: INodeProperties = {
+	displayName: 'Source for Prompt (User Message)',
+	name: 'promptType',
+	type: 'options',
+	options: [
+		{
+			name: 'Connected Chat Trigger Node',
+			value: 'auto',
+			description:
+				"Looks for an input field called 'chatInput' that is coming from a directly connected Chat Trigger",
+		},
+		{
+			name: 'Define below',
+			value: 'define',
+			description: 'Use an expression to reference data in previous nodes or enter static text',
+		},
+	],
+	default: 'auto',
+};
+
+export const textInput: INodeProperties = {
+	displayName: 'Prompt (User Message)',
+	name: 'text',
+	type: 'string',
+	required: true,
+	default: '',
+	placeholder: 'e.g. Hello, how can you help me?',
+	typeOptions: {
+		rows: 2,
+	},
+};
+
+export const textFromPreviousNode: INodeProperties = {
+	displayName: 'Prompt (User Message)',
+	name: 'text',
+	type: 'string',
+	required: true,
+	default: '={{ $json.chatInput }}',
+	typeOptions: {
+		rows: 2,
+	},
+	disabledOptions: { show: { promptType: ['auto'] } },
+};
+
+export const toolDescription: INodeProperties = {
+	displayName: 'Description',
+	name: 'toolDescription',
+	type: 'string',
+	default: 'AI Agent that can call other tools',
+	required: true,
+	typeOptions: { rows: 2 },
+	description:
+		'Explain to the LLM what this tool does, a good, specific description would allow LLMs to produce expected results much more often',
+};