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{
"name": "answer · 69 Lab 02 challenge (editor fork-join)",
"nodes": [
{
"name": "Notice webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"position": [
0,
300
],
"parameters": {
"httpMethod": "POST",
"path": "my-notice",
"responseMode": "responseNode",
"options": {}
}
},
{
"name": "Has facts?",
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
200,
300
],
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "c0",
"leftValue": "={{ $json.body.facts }}",
"rightValue": "",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
}
},
{
"name": "Reject empty",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
420,
520
],
"parameters": {
"respondWith": "json",
"responseBody": "{ \"error\": \"facts are required\" }",
"options": {
"responseCode": 400
}
}
},
{
"name": "Write draft",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
420,
300
],
"parameters": {
"method": "POST",
"url": "http://localhost:5678/webhook/my-writer",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ request: $('Notice webhook').first().json.body.request, facts: $('Notice webhook').first().json.body.facts }) }}",
"options": {
"timeout": 60000
}
}
},
{
"name": "Review draft",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
640,
300
],
"parameters": {
"method": "POST",
"url": "http://localhost:5678/webhook/my-reviewer",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ facts: $('Notice webhook').first().json.body.facts, draft: $json.draft }) }}",
"options": {
"timeout": 60000
}
}
},
{
"name": "Passed?",
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
1080,
300
],
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "c0",
"leftValue": "={{ $json.passed }}",
"rightValue": "",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
}
},
{
"name": "Approved",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
1300,
160
],
"parameters": {
"assignments": {
"assignments": [
{
"id": "a0",
"name": "route",
"value": "게시 가능",
"type": "string"
},
{
"id": "a1",
"name": "published",
"value": true,
"type": "boolean"
},
{
"id": "a2",
"name": "rounds",
"value": 1,
"type": "number"
},
{
"id": "a3",
"name": "notice",
"value": "={{ $('Write draft').first().json.draft }}",
"type": "string"
},
{
"id": "a4",
"name": "codes",
"value": "={{ [] }}",
"type": "array"
}
]
},
"options": {}
}
},
{
"name": "Revise draft",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1300,
400
],
"parameters": {
"method": "POST",
"url": "http://localhost:5678/webhook/my-writer",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ request: $('Notice webhook').first().json.body.request, facts: $('Notice webhook').first().json.body.facts, previous_draft: $('Write draft').first().json.draft, feedback: $('Review draft').first().json.issues.map(i => i.code + ': ' + i.detail).join('\\n') }) }}",
"options": {
"timeout": 60000
}
}
},
{
"name": "Review again",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"position": [
1520,
400
],
"parameters": {
"method": "POST",
"url": "http://localhost:5678/webhook/my-reviewer",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ facts: $('Notice webhook').first().json.body.facts, draft: $json.draft }) }}",
"options": {
"timeout": 60000
}
}
},
{
"name": "Passed again?",
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
1740,
400
],
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 2
},
"conditions": [
{
"id": "c0",
"leftValue": "={{ $json.passed }}",
"rightValue": "",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
}
},
{
"name": "Approved after revision",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
1960,
300
],
"parameters": {
"assignments": {
"assignments": [
{
"id": "a0",
"name": "route",
"value": "수정 후 게시 가능",
"type": "string"
},
{
"id": "a1",
"name": "published",
"value": true,
"type": "boolean"
},
{
"id": "a2",
"name": "rounds",
"value": 2,
"type": "number"
},
{
"id": "a3",
"name": "notice",
"value": "={{ $('Revise draft').first().json.draft }}",
"type": "string"
},
{
"id": "a4",
"name": "codes",
"value": "={{ [] }}",
"type": "array"
},
{
"id": "a5",
"name": "first_codes",
"value": "={{ $('Review draft').first().json.codes }}",
"type": "array"
}
]
},
"options": {}
}
},
{
"name": "Needs person",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
1960,
520
],
"parameters": {
"assignments": {
"assignments": [
{
"id": "a0",
"name": "route",
"value": "담당자 확인",
"type": "string"
},
{
"id": "a1",
"name": "published",
"value": false,
"type": "boolean"
},
{
"id": "a2",
"name": "rounds",
"value": 2,
"type": "number"
},
{
"id": "a3",
"name": "notice",
"value": "={{ $('Revise draft').first().json.draft ?? '' }}",
"type": "string"
},
{
"id": "a4",
"name": "codes",
"value": "={{ $json.codes ?? [] }}",
"type": "array"
},
{
"id": "a5",
"name": "first_codes",
"value": "={{ $('Review draft').first().json.codes }}",
"type": "array"
}
]
},
"options": {}
}
},
{
"name": "Send result",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
3060,
300
],
"parameters": {
"respondWith": "json",
"responseBody": "={{ $json }}",
"options": {}
}
},
{
"name": "Final notice",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
2180,
200
],
"parameters": {
"jsCode": "// One place for both approved paths.\nreturn [{ json: $json }];"
}
},
{
"name": "Make title",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 3.1,
"position": [
2400,
80
],
"parameters": {
"promptType": "define",
"text": "={{ $json.notice }}",
"options": {
"systemMessage": "You write the subject line of a company mail for this Korean IT notice: at most 40 characters, Korean, no brackets, no information that is not in the notice. Return only the subject line.",
"maxIterations": 2
}
}
},
{
"name": "Title model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1.2,
"position": [
2360,
-120
],
"parameters": {
"model": {
"__rl": true,
"mode": "id",
"value": "gpt-4.1-mini"
},
"options": {
"temperature": 0
}
},
"credentials": {
"openAiApi": {
"id": "openAiCourse0001",
"name": "OpenAI (.env)"
}
}
},
{
"name": "Make chat message",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 3.1,
"position": [
2400,
320
],
"parameters": {
"promptType": "define",
"text": "={{ $json.notice }}",
"options": {
"systemMessage": "You rewrite this Korean IT notice as a short messenger message: at most 2 lines and 120 characters, Korean. Keep every date and time exactly as written. Add nothing that is not in the notice. Return only the message.",
"maxIterations": 2
}
}
},
{
"name": "Chat model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1.2,
"position": [
2360,
520
],
"parameters": {
"model": {
"__rl": true,
"mode": "id",
"value": "gpt-4.1-mini"
},
"options": {
"temperature": 0
}
},
"credentials": {
"openAiApi": {
"id": "openAiCourse0001",
"name": "OpenAI (.env)"
}
}
},
{
"name": "Join editors",
"type": "n8n-nodes-base.merge",
"typeVersion": 3,
"position": [
2620,
200
],
"parameters": {
"numberInputs": 2
}
},
{
"name": "Combine",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
2840,
200
],
"parameters": {
"jsCode": "// Join the two editor results (n8n runs the two branches one after the other) with the approved notice.\nconst base = $('Final notice').first().json;\nconst [first, second] = $input.all().map(item => String(item.json.output ?? '').trim());\nconst title = $('Make title').first().json.output ?? first;\nconst chat = $('Make chat message').first().json.output ?? second;\nreturn [{ json: { ...base, title: String(title).trim(), chat: String(chat).trim(), ...(base.steps ? { steps: [...base.steps, 'editor'] } : {}) } }];"
}
}
],
"connections": {
"Notice webhook": {
"main": [
[
{
"node": "Has facts?",
"type": "main",
"index": 0
}
]
]
},
"Has facts?": {
"main": [
[
{
"node": "Write draft",
"type": "main",
"index": 0
}
],
[
{
"node": "Reject empty",
"type": "main",
"index": 0
}
]
]
},
"Write draft": {
"main": [
[
{
"node": "Review draft",
"type": "main",
"index": 0
}
]
]
},
"Review draft": {
"main": [
[
{
"node": "Passed?",
"type": "main",
"index": 0
}
]
]
},
"Passed?": {
"main": [
[
{
"node": "Approved",
"type": "main",
"index": 0
}
],
[
{
"node": "Revise draft",
"type": "main",
"index": 0
}
]
]
},
"Revise draft": {
"main": [
[
{
"node": "Review again",
"type": "main",
"index": 0
}
]
]
},
"Review again": {
"main": [
[
{
"node": "Passed again?",
"type": "main",
"index": 0
}
]
]
},
"Passed again?": {
"main": [
[
{
"node": "Approved after revision",
"type": "main",
"index": 0
}
],
[
{
"node": "Needs person",
"type": "main",
"index": 0
}
]
]
},
"Needs person": {
"main": [
[
{
"node": "Send result",
"type": "main",
"index": 0
}
]
]
},
"Approved": {
"main": [
[
{
"node": "Final notice",
"type": "main",
"index": 0
}
]
]
},
"Approved after revision": {
"main": [
[
{
"node": "Final notice",
"type": "main",
"index": 0
}
]
]
},
"Final notice": {
"main": [
[
{
"node": "Make title",
"type": "main",
"index": 0
},
{
"node": "Make chat message",
"type": "main",
"index": 0
}
]
]
},
"Title model": {
"ai_languageModel": [
[
{
"node": "Make title",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Chat model": {
"ai_languageModel": [
[
{
"node": "Make chat message",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Make title": {
"main": [
[
{
"node": "Join editors",
"type": "main",
"index": 0
}
]
]
},
"Make chat message": {
"main": [
[
{
"node": "Join editors",
"type": "main",
"index": 1
}
]
]
},
"Join editors": {
"main": [
[
{
"node": "Combine",
"type": "main",
"index": 0
}
]
]
},
"Combine": {
"main": [
[
{
"node": "Send result",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}