74일차 자료 추가(답 제외), 73일차 정답 공개(LAB-A · VIBE-A · answers · tscan), 64 · 65 · 68~73일차 교안 · 실습 문서 수정 반영

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mcchae committed 2026-10-27 23:16:10 +09:00
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{
"name": "74 IT helpdesk + canary (reference)",
"nodes": [
{
"name": "Question webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"parameters": {
"httpMethod": "POST",
"path": "my-helpdesk",
"responseMode": "responseNode",
"options": {}
},
"webhookId": "de518e93-ed19-541f-a6fc-687a4efaf1b2",
"position": [
0,
300
],
"id": "06a0ce0e-908d-5164-83d4-63446bd439e2"
},
{
"name": "Has question?",
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "loose",
"version": 2
},
"conditions": [
{
"id": "c1",
"leftValue": "={{ $json.body.question }}",
"rightValue": "",
"operator": {
"type": "string",
"operation": "notEmpty",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
},
"position": [
220,
300
],
"id": "e659472e-b457-5f55-9ebe-a807953752b7"
},
{
"name": "Reject empty",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"parameters": {
"respondWith": "json",
"responseBody": "{ \"error\": \"question is required\" }",
"options": {
"responseCode": 400
}
},
"position": [
440,
560
],
"id": "87790677-8068-57d6-bde9-c45381cf7990"
},
{
"name": "Get release",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "http://data-api:8800/releases/helpdesk",
"options": {}
},
"position": [
440,
300
],
"id": "bc39ca63-fec9-5df8-ba71-f054a7fd54fd"
},
{
"name": "Pick release",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"parameters": {
"jsCode": "const body = $('Question webhook').first().json.body;\nconst r = $json;\nconst bucket = [...String(body.user ?? '')].reduce((sum, ch) => sum + ch.codePointAt(0), 0) % 100;\nlet release = r.active, channel = 'stable';\nif (body.release) { release = String(body.release); channel = 'pinned'; }\nelse if (r.canary && bucket < r.canary.percent) { release = r.canary.release; channel = 'canary'; }\nconst info = r.releases?.[release];\nif (!info) return [{ json: { ok: false, release, known: Object.keys(r.releases ?? {}) } }];\nreturn [{ json: { ok: true, release, channel, bucket, prompt_version: info.prompt_version, model: info.model } }];"
},
"position": [
660,
300
],
"id": "705632be-ba12-58cd-8321-2b8fd06f2e10"
},
{
"name": "Known release?",
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "loose",
"version": 2
},
"conditions": [
{
"id": "c1",
"leftValue": "={{ $json.ok }}",
"rightValue": "",
"operator": {
"type": "boolean",
"operation": "true",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
},
"position": [
880,
300
],
"id": "ec42ebac-269f-50a6-9754-03e9f17923bf"
},
{
"name": "Reject release",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"parameters": {
"respondWith": "json",
"responseBody": "={{ JSON.stringify({ error: 'unknown release', release: $json.release, known: $json.known }) }}",
"options": {
"responseCode": 400
}
},
"position": [
1100,
560
],
"id": "3ea6301e-05c0-56e1-92ae-aa9907bfca81"
},
{
"name": "Get prompt",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "=http://data-api:8800/prompts/helpdesk/{{ $('Pick release').first().json.prompt_version }}",
"options": {
"timeout": 2000,
"response": {
"response": {
"neverError": true,
"fullResponse": true
}
}
}
},
"position": [
1100,
300
],
"id": "8bdea823-6955-53ae-8488-e1bb9c42b1ca",
"onError": "continueErrorOutput"
},
{
"name": "Search FAQ",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "http://data-api:8800/faq",
"options": {},
"sendQuery": true,
"queryParameters": {
"parameters": [
{
"name": "q",
"value": "={{ $('Question webhook').first().json.body.question }}"
}
]
}
},
"position": [
1760,
300
],
"id": "dbd254d6-847b-5bfb-8ab0-67fb37603cd8"
},
{
"name": "Get ticket",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "=http://data-api:8800/tickets/{{ (($('Question webhook').first().json.body.question.match(/T-?\\d{4}/i) || ['NONE'])[0]).toUpperCase().replace(/^T(\\d)/, 'T-$1') }}",
"options": {
"response": {
"response": {
"neverError": true
}
}
},
"sendQuery": true,
"queryParameters": {
"parameters": [
{
"name": "requester",
"value": "={{ $('Question webhook').first().json.body.user ?? '' }}"
}
]
}
},
"position": [
1980,
300
],
"id": "7b3f6f46-b5a8-57c0-a36e-4be7e19a4878"
},
{
"name": "Answer",
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 3.1,
"parameters": {
"promptType": "define",
"text": "=질문: {{ $('Question webhook').first().json.body.question }}\nFAQ: {{ JSON.stringify($('Search FAQ').first().json.results ?? []) }}\n접수 건: {{ JSON.stringify($('Get ticket').first().json) }}",
"options": {
"systemMessage": "={{ $('Registry prompt').isExecuted ? $('Registry prompt').first().json.text : $('Fallback prompt').first().json.text }}",
"maxIterations": 1
}
},
"position": [
2200,
300
],
"id": "783c52b9-67dd-5297-b74d-1329b7ed4b81"
},
{
"name": "Answer model",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"typeVersion": 1.2,
"parameters": {
"model": {
"__rl": true,
"mode": "id",
"value": "={{ $('Pick release').first().json.model }}"
},
"options": {
"temperature": 0
}
},
"credentials": {
"openAiApi": {
"id": "openAiCourse0001",
"name": "OpenAI (.env)"
}
},
"position": [
2200,
520
],
"id": "208a8c66-47ab-587d-96ba-3a3038a42e68"
},
{
"name": "Build result",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"parameters": {
"jsCode": "const results = $('Search FAQ').first().json.results ?? [];\nconst result = { route: '자동 답변', answer: String($json.output ?? '').trim(), sources: results.map((r) => r.id) };\nconst i = $('Pick release').first().json;\nresult.version = { release: i.release, prompt_version: i.prompt_version, model: i.model, channel: i.channel, prompt_source: ($('Registry prompt').isExecuted && $('Registry prompt').first().json.state === 'registry') ? 'registry' : 'fallback' };\nreturn [{ json: result }];"
},
"position": [
2420,
300
],
"id": "7082b698-3b35-5329-b2c1-0b685a085f0b"
},
{
"name": "Send result",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"parameters": {
"respondWith": "json",
"responseBody": "={{ $json }}",
"options": {}
},
"position": [
2640,
300
],
"id": "b4ca5427-3b0f-5d7b-8417-f054076a9024"
},
{
"name": "Registry prompt",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1320,
300
],
"id": "8440ed17-b841-57e3-89d6-e687ff02a1c9",
"parameters": {
"jsCode": "// 200: the registry prompt. 404: the release names a prompt that does not exist (a broken release).\n// anything else (500 ...): an outage, so use the built-in prompt like the error output does.\nconst status = $json.statusCode;\nif (status === 200 && $json.body?.text) return [{ json: { state: 'registry', text: $json.body.text } }];\nif (status === 404) return [{ json: { state: 'broken' } }];\nreturn [{ json: { state: 'fallback', text: \"You are the company IT help desk. Answer in Korean in at most 3 sentences, using only the FAQ entries and the ticket record given. Never invent steps, dates or names. For a ticket, say its status and note. If the data does not answer the question, say \\\"찾지 못했습니다\\\" and that a staff member will help. Use 합니다체.\" } }];"
}
},
{
"name": "Fallback prompt",
"type": "n8n-nodes-base.set",
"typeVersion": 3.4,
"position": [
1320,
540
],
"id": "8ce11216-8b3d-5ac9-9059-a53090e39f8b",
"parameters": {
"assignments": {
"assignments": [
{
"id": "f0",
"name": "text",
"value": "You are the company IT help desk. Answer in Korean in at most 3 sentences, using only the FAQ entries and the ticket record given. Never invent steps, dates or names. For a ticket, say its status and note. If the data does not answer the question, say \"찾지 못했습니다\" and that a staff member will help. Use 합니다체.",
"type": "string"
}
]
},
"options": {}
}
},
{
"name": "Prompt broken?",
"type": "n8n-nodes-base.if",
"typeVersion": 2.2,
"position": [
1540,
300
],
"id": "c5ee6dce-04e4-5211-9b42-a94badf74438",
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "loose",
"version": 2
},
"conditions": [
{
"id": "c1",
"leftValue": "={{ $json.state }}",
"rightValue": "broken",
"operator": {
"type": "string",
"operation": "equals"
}
}
],
"combinator": "and"
},
"options": {}
}
},
{
"name": "Reject broken",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"position": [
1760,
780
],
"id": "4101ba21-8dc8-5b25-9dec-860d3d5de6cf",
"parameters": {
"respondWith": "json",
"options": {
"responseCode": 400
},
"responseBody": "={{ JSON.stringify({ error: 'release broken', release: $('Pick release').first().json.release, prompt_version: $('Pick release').first().json.prompt_version }) }}"
}
}
],
"connections": {
"Question webhook": {
"main": [
[
{
"node": "Has question?",
"type": "main",
"index": 0
}
]
]
},
"Has question?": {
"main": [
[
{
"node": "Get release",
"type": "main",
"index": 0
}
],
[
{
"node": "Reject empty",
"type": "main",
"index": 0
}
]
]
},
"Get release": {
"main": [
[
{
"node": "Pick release",
"type": "main",
"index": 0
}
]
]
},
"Pick release": {
"main": [
[
{
"node": "Known release?",
"type": "main",
"index": 0
}
]
]
},
"Known release?": {
"main": [
[
{
"node": "Get prompt",
"type": "main",
"index": 0
}
],
[
{
"node": "Reject release",
"type": "main",
"index": 0
}
]
]
},
"Get prompt": {
"main": [
[
{
"node": "Registry prompt",
"type": "main",
"index": 0
}
],
[
{
"node": "Fallback prompt",
"type": "main",
"index": 0
}
]
]
},
"Search FAQ": {
"main": [
[
{
"node": "Get ticket",
"type": "main",
"index": 0
}
]
]
},
"Get ticket": {
"main": [
[
{
"node": "Answer",
"type": "main",
"index": 0
}
]
]
},
"Answer model": {
"ai_languageModel": [
[
{
"node": "Answer",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Answer": {
"main": [
[
{
"node": "Build result",
"type": "main",
"index": 0
}
]
]
},
"Build result": {
"main": [
[
{
"node": "Send result",
"type": "main",
"index": 0
}
]
]
},
"Registry prompt": {
"main": [
[
{
"node": "Prompt broken?",
"type": "main",
"index": 0
}
]
]
},
"Fallback prompt": {
"main": [
[
{
"node": "Search FAQ",
"type": "main",
"index": 0
}
]
]
},
"Prompt broken?": {
"main": [
[
{
"node": "Reject broken",
"type": "main",
"index": 0
}
],
[
{
"node": "Search FAQ",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}