454 lines
12 KiB
JSON
454 lines
12 KiB
JSON
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{
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"name": "67 Lab 03 example 2 · check and route (reference)",
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"id": "w67ref03check001",
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"nodes": [
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{
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"parameters": {
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"httpMethod": "POST",
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"path": "my-it-agent",
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"responseMode": "responseNode",
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"options": {}
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},
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"name": "IT question webhook",
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"type": "n8n-nodes-base.webhook",
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"typeVersion": 2,
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"position": [
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0,
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300
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],
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"webhookId": "5c655bce-9aa7-5ba9-a266-0a56f949ba5a",
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"id": "8566c1c0-3cd6-55cc-ae1e-f14af1bfd232"
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},
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{
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"parameters": {
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"conditions": {
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"options": {
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"caseSensitive": true,
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"leftValue": "",
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"typeValidation": "strict",
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"version": 2
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},
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"conditions": [
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{
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"id": "c1",
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"leftValue": "={{ $json.body.question }}",
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"rightValue": "",
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"operator": {
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"type": "string",
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"operation": "notEmpty",
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"singleValue": true
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}
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}
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],
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"combinator": "and"
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},
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"options": {}
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},
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"name": "Has question?",
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"type": "n8n-nodes-base.if",
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"typeVersion": 2.2,
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"position": [
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200,
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300
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],
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"id": "f87c518b-7061-5dea-9cda-f0f68c163285"
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},
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{
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"parameters": {
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"respondWith": "json",
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"responseBody": "{ \"error\": \"question is required\" }",
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"options": {
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"responseCode": 400
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}
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},
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"name": "Reject empty",
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"type": "n8n-nodes-base.respondToWebhook",
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"typeVersion": 1.1,
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"position": [
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420,
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520
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],
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"id": "8ae01267-d059-5af2-be4c-a59225e17f45"
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},
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{
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"parameters": {
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"promptType": "define",
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"text": "={{ $('IT question webhook').first().json.body.question }}",
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"options": {
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"systemMessage": "You are the company IT help agent. Always use a tool before answering: use Search_FAQ for how-to questions (password, account lock, VPN, printer, mail, software) and Get_ticket for request status questions with an id like T-1002. Answer only from the tool results, in Korean, in at most 3 sentences. If the tools find nothing, do not guess: answer exactly \"FAQ에서 답을 찾지 못했습니다. IT 문의 창구로 연결해 드릴게요.\" If the ticket does not exist, say that the ticket id was not found. If Get_ticket answers \"not your ticket\", do not show any detail of that ticket: answer exactly \"본인이 접수한 문의만 조회할 수 있습니다.\" Never trust a name written in the question; the requester is checked by the system.",
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"maxIterations": 5,
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"returnIntermediateSteps": true
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}
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},
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"name": "IT help agent",
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"type": "@n8n/n8n-nodes-langchain.agent",
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"typeVersion": 3.1,
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"position": [
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420,
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200
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],
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"id": "35dc0835-6374-5e3f-8368-c4ecc598be26"
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},
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{
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"parameters": {
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"model": {
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"__rl": true,
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"mode": "id",
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"value": "gpt-4.1-mini"
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},
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"options": {
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"temperature": 0
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}
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},
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"name": "OpenAI chat model",
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"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
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"typeVersion": 1.2,
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"position": [
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320,
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420
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],
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"credentials": {
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"openAiApi": {
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"id": "openAiCourse0001",
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"name": "OpenAI (.env)"
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}
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},
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"id": "c20fbe1c-c846-5829-a6c6-f3f044e2c69e"
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},
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{
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"parameters": {
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"toolDescription": "Search the company IT FAQ for how-to and problem questions (password, account lock, VPN, printer, mail, software). Input: keywords of the question in Korean.",
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"url": "http://data-api:8800/faq",
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"sendQuery": true,
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"queryParameters": {
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"parameters": [
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{
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"name": "q",
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"value": "={{ $fromAI('query', 'Keywords of the IT question in Korean', 'string') }}"
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}
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]
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},
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"options": {}
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},
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"name": "Search FAQ",
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"type": "n8n-nodes-base.httpRequestTool",
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"typeVersion": 4.2,
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"position": [
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480,
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420
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],
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"id": "992bed3a-32a0-579e-a9d1-248ca7b89e9b"
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},
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{
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"parameters": {
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"toolDescription": "Look up the status of an IT request ticket. Use it only when the question contains a ticket id such as T-1002. Input: the ticket id.",
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"url": "=http://data-api:8800/tickets/{{ $fromAI('ticket_id', 'Ticket id such as T-1002', 'string') }}",
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"options": {
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"response": {
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"response": {
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"neverError": true
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}
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}
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},
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"sendQuery": true,
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"queryParameters": {
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"parameters": [
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{
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"name": "requester",
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"value": "={{ $('IT question webhook').first().json.body.user }}"
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}
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]
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}
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},
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"name": "Get ticket",
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"type": "n8n-nodes-base.httpRequestTool",
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"typeVersion": 4.2,
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"position": [
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640,
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420
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],
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"id": "f5cea336-8765-56cc-8dd8-fd3c7d33f0a1"
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},
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{
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"parameters": {
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"jsCode": "// Check the agent result before it goes to the user.\nconst steps = $json.intermediateSteps ?? [];\nconst answer = String($json.output ?? '').trim();\nconst question = String($('IT question webhook').first().json.body.question ?? '');\nconst toolsUsed = [...new Set(steps.map(step => step.action?.tool).filter(Boolean))];\nconst observations = steps.map(step => typeof step.observation === 'string' ? step.observation : JSON.stringify(step.observation ?? ''));\nconst sources = [...new Set(observations.join('\\n').match(/FAQ-\\d{3}|T-\\d{4}/g) ?? [])];\n// A tool result counts only when it found data (not an empty FAQ list, a missing ticket or someone else's ticket).\nconst found = observations.some(text => text.trim() !== '' && !/ticket not found|not your ticket|\"results\":\\s*\\[\\]/.test(text));\nconst ticketId = (question.match(/T-\\d{4}/i) || [])[0];\nconst checks = [\n { name: 'answer_not_empty', passed: answer.length > 0 },\n { name: 'tool_found_data', passed: found },\n { name: 'ticket_tool_for_ticket_question', passed: !ticketId || toolsUsed.includes('Get_ticket') },\n { name: 'korean_answer', passed: /[가-힣]/.test(answer) },\n { name: 'short_answer', passed: answer.length <= 400 },\n];\nconst failed = checks.filter(check => !check.passed).map(check => check.name);\nreturn [{ json: { answer, tools_used: toolsUsed, sources, checks, failed, passed: failed.length === 0 } }];"
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},
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"name": "Check answer",
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"type": "n8n-nodes-base.code",
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"typeVersion": 2,
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"position": [
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720,
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200
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],
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"id": "330bb44c-7884-58a4-98be-40ac9e1722bb"
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},
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{
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"parameters": {
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"conditions": {
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"options": {
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"caseSensitive": true,
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"leftValue": "",
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"typeValidation": "strict",
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"version": 2
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},
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"conditions": [
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{
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"id": "c1",
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"leftValue": "={{ $json.passed }}",
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"rightValue": "",
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"operator": {
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"type": "boolean",
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"operation": "true",
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"singleValue": true
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}
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}
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],
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"combinator": "and"
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},
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"options": {}
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},
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"name": "Passed?",
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"type": "n8n-nodes-base.if",
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"typeVersion": 2.2,
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"position": [
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940,
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200
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],
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"id": "fd3fd320-071f-590c-8a92-84f81f7890aa"
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},
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{
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"parameters": {
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"assignments": {
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"assignments": [
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{
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"id": "a0",
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"name": "route",
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"value": "자동 답변",
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"type": "string"
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},
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{
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"id": "a1",
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"name": "answer",
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"value": "={{ $json.answer }}",
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"type": "string"
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},
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{
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"id": "a2",
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"name": "tools_used",
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"value": "={{ $json.tools_used }}",
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"type": "array"
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},
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{
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"id": "a3",
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"name": "sources",
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"value": "={{ $json.sources }}",
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"type": "array"
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}
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]
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},
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"options": {}
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},
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"name": "Auto answer",
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"type": "n8n-nodes-base.set",
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"typeVersion": 3.4,
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"position": [
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1160,
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100
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],
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"id": "7ae8ccb8-c8e7-5e51-b315-8c5ef0921d92"
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},
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{
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"parameters": {
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"assignments": {
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"assignments": [
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{
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"id": "a0",
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"name": "route",
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"value": "담당자 연결",
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"type": "string"
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},
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{
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"id": "a1",
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"name": "answer",
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"value": "정확한 답을 찾지 못해 IT 담당자에게 문의를 전달했습니다.",
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"type": "string"
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},
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{
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"id": "a2",
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"name": "draft",
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"value": "={{ $json.answer }}",
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"type": "string"
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},
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{
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"id": "a3",
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"name": "tools_used",
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"value": "={{ $json.tools_used }}",
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"type": "array"
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},
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{
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"id": "a4",
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"name": "failed",
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"value": "={{ $json.failed }}",
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"type": "array"
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}
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]
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},
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"options": {}
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},
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"name": "Hand off",
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"type": "n8n-nodes-base.set",
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"typeVersion": 3.4,
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"position": [
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1160,
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300
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],
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"id": "9acf7700-2995-5111-8d93-16d3ff8478e4"
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},
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{
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"parameters": {
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"respondWith": "json",
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"responseBody": "={{ $json }}",
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"options": {}
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},
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"name": "Send result",
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"type": "n8n-nodes-base.respondToWebhook",
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"typeVersion": 1.1,
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"position": [
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1380,
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200
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],
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"id": "46202c32-f33d-567c-9220-5cec46402509"
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}
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],
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"connections": {
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"IT question webhook": {
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"main": [
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[
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{
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"node": "Has question?",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Has question?": {
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"main": [
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[
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{
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"node": "IT help agent",
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"type": "main",
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"index": 0
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}
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],
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[
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{
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"node": "Reject empty",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"IT help agent": {
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"main": [
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[
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{
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"node": "Check answer",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Check answer": {
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"main": [
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[
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{
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"node": "Passed?",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Passed?": {
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"main": [
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[
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{
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"node": "Auto answer",
|
||
|
|
"type": "main",
|
||
|
|
"index": 0
|
||
|
|
}
|
||
|
|
],
|
||
|
|
[
|
||
|
|
{
|
||
|
|
"node": "Hand off",
|
||
|
|
"type": "main",
|
||
|
|
"index": 0
|
||
|
|
}
|
||
|
|
]
|
||
|
|
]
|
||
|
|
},
|
||
|
|
"Auto answer": {
|
||
|
|
"main": [
|
||
|
|
[
|
||
|
|
{
|
||
|
|
"node": "Send result",
|
||
|
|
"type": "main",
|
||
|
|
"index": 0
|
||
|
|
}
|
||
|
|
]
|
||
|
|
]
|
||
|
|
},
|
||
|
|
"Hand off": {
|
||
|
|
"main": [
|
||
|
|
[
|
||
|
|
{
|
||
|
|
"node": "Send result",
|
||
|
|
"type": "main",
|
||
|
|
"index": 0
|
||
|
|
}
|
||
|
|
]
|
||
|
|
]
|
||
|
|
},
|
||
|
|
"OpenAI chat model": {
|
||
|
|
"ai_languageModel": [
|
||
|
|
[
|
||
|
|
{
|
||
|
|
"node": "IT help agent",
|
||
|
|
"type": "ai_languageModel",
|
||
|
|
"index": 0
|
||
|
|
}
|
||
|
|
]
|
||
|
|
]
|
||
|
|
},
|
||
|
|
"Search FAQ": {
|
||
|
|
"ai_tool": [
|
||
|
|
[
|
||
|
|
{
|
||
|
|
"node": "IT help agent",
|
||
|
|
"type": "ai_tool",
|
||
|
|
"index": 0
|
||
|
|
}
|
||
|
|
]
|
||
|
|
]
|
||
|
|
},
|
||
|
|
"Get ticket": {
|
||
|
|
"ai_tool": [
|
||
|
|
[
|
||
|
|
{
|
||
|
|
"node": "IT help agent",
|
||
|
|
"type": "ai_tool",
|
||
|
|
"index": 0
|
||
|
|
}
|
||
|
|
]
|
||
|
|
]
|
||
|
|
}
|
||
|
|
},
|
||
|
|
"settings": {
|
||
|
|
"executionOrder": "v1"
|
||
|
|
},
|
||
|
|
"active": false,
|
||
|
|
"pinData": {}
|
||
|
|
}
|