939 lines
23 KiB
JSON
939 lines
23 KiB
JSON
{
|
|
"name": "72 IT helpdesk + timeout and fallback (reference)",
|
|
"nodes": [
|
|
{
|
|
"name": "Question webhook",
|
|
"type": "n8n-nodes-base.webhook",
|
|
"typeVersion": 2,
|
|
"parameters": {
|
|
"httpMethod": "POST",
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|
"path": "my-helpdesk",
|
|
"responseMode": "responseNode",
|
|
"options": {}
|
|
},
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|
"webhookId": "de518e93-ed19-541f-a6fc-687a4efaf1b2",
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"position": [
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0,
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300
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|
],
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|
"id": "d723516c-f180-54b9-87ca-9d10479930ca"
|
|
},
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|
{
|
|
"name": "Has question?",
|
|
"type": "n8n-nodes-base.if",
|
|
"typeVersion": 2.2,
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|
"parameters": {
|
|
"conditions": {
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|
"options": {
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|
"caseSensitive": true,
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|
"leftValue": "",
|
|
"typeValidation": "loose",
|
|
"version": 2
|
|
},
|
|
"conditions": [
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|
{
|
|
"id": "c1",
|
|
"leftValue": "={{ $json.body.question }}",
|
|
"rightValue": "",
|
|
"operator": {
|
|
"type": "string",
|
|
"operation": "notEmpty",
|
|
"singleValue": true
|
|
}
|
|
}
|
|
],
|
|
"combinator": "and"
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|
},
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|
"options": {}
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|
},
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|
"position": [
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220,
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300
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],
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"id": "b2ec2f0b-bda5-57b7-90bb-a12187a87ada"
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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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|
"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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"position": [
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440,
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560
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],
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"id": "e8162a04-f42f-5d77-9fb2-8b48bb83fa93"
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},
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{
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"name": "Start clock",
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"type": "n8n-nodes-base.code",
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|
"typeVersion": 2,
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|
"parameters": {
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|
"jsCode": "return [{ json: { t: Date.now() } }];"
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},
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"position": [
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440,
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300
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],
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"id": "8298edad-e01f-5083-a050-e61d239cdd06"
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},
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{
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"name": "Cache key",
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"type": "n8n-nodes-base.code",
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|
"typeVersion": 2,
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|
"parameters": {
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"jsCode": "const body = $('Question webhook').first().json.body;\nconst key = String(body.question ?? '').trim().toLowerCase().replace(/\\s+/g, ' ');\nreturn [{ json: { ...$json, key, use_cache: body.no_cache !== true } }];"
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},
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"position": [
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660,
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300
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],
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"id": "947ac5f9-250f-59f0-a8c2-4f178d3e27bf"
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},
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{
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|
"name": "Cache lookup",
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|
"type": "n8n-nodes-base.httpRequest",
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"typeVersion": 4.2,
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"parameters": {
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"url": "=http://data-api:8800/cache/{{ encodeURIComponent($json.key) }}",
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|
"options": {
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|
"response": {
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|
"response": {
|
|
"neverError": true
|
|
}
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|
}
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|
}
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|
},
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|
"position": [
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880,
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300
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|
],
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"id": "bca22ac4-98e9-5840-9565-0a08abd392dd"
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|
},
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|
{
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|
"name": "Cached?",
|
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"type": "n8n-nodes-base.if",
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"typeVersion": 2.2,
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|
"parameters": {
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"conditions": {
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|
"options": {
|
|
"caseSensitive": true,
|
|
"leftValue": "",
|
|
"typeValidation": "loose",
|
|
"version": 2
|
|
},
|
|
"conditions": [
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|
{
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|
"id": "c1",
|
|
"leftValue": "={{ $json.value !== undefined && $('Cache key').first().json.use_cache }}",
|
|
"rightValue": "",
|
|
"operator": {
|
|
"type": "boolean",
|
|
"operation": "true",
|
|
"singleValue": true
|
|
}
|
|
}
|
|
],
|
|
"combinator": "and"
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|
},
|
|
"options": {}
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|
},
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|
"position": [
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1100,
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300
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|
],
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|
"id": "c6f11d8c-4cf4-56da-a0c2-86b43d5875b7"
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|
},
|
|
{
|
|
"name": "Cached result",
|
|
"type": "n8n-nodes-base.code",
|
|
"typeVersion": 2,
|
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"parameters": {
|
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"jsCode": "const value = $json.value;\nconst t0 = $('Start clock').first().json.t;\nreturn [{ json: { route: value.route, category: value.category, answer: value.answer, sources: value.sources ?? [],\n llm_calls: 0, cached: true, steps: ['cache'], timings: { total_ms: t0 ? Date.now() - t0 : 0 } } }];"
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|
},
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|
"position": [
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1320,
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40
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|
],
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|
"id": "87241232-65a7-5929-8aab-f793cd5eb252"
|
|
},
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|
{
|
|
"name": "Send cached",
|
|
"type": "n8n-nodes-base.respondToWebhook",
|
|
"typeVersion": 1.1,
|
|
"parameters": {
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"respondWith": "json",
|
|
"responseBody": "={{ $json }}",
|
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"options": {}
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|
},
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|
"position": [
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1540,
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40
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|
],
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"id": "c9ad7484-9647-56c6-bc21-489ae4ba90c9"
|
|
},
|
|
{
|
|
"name": "Search FAQ",
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"type": "n8n-nodes-base.httpRequest",
|
|
"typeVersion": 4.2,
|
|
"parameters": {
|
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"url": "http://data-api:8800/faq",
|
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"options": {
|
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"timeout": 2000
|
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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": "q",
|
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"value": "={{ $('Question webhook').first().json.body.question }}"
|
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}
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]
|
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}
|
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},
|
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"retryOnFail": true,
|
|
"maxTries": 2,
|
|
"waitBetweenTries": 500,
|
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"onError": "continueErrorOutput",
|
|
"position": [
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|
1320,
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|
300
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|
],
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"id": "7fadfe95-f11a-53e1-9381-6eaabe3b0e33"
|
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},
|
|
{
|
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"name": "Get ticket",
|
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"type": "n8n-nodes-base.httpRequest",
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"typeVersion": 4.2,
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"parameters": {
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"url": "=http://data-api:8800/tickets/{{ (($('Question webhook').first().json.body.question.match(/T-?\\d{4}/i) || ['NONE'])[0]).toUpperCase().replace(/^T(\\d)/, 'T-$1') }}",
|
|
"options": {
|
|
"response": {
|
|
"response": {
|
|
"neverError": true
|
|
}
|
|
},
|
|
"timeout": 2000
|
|
},
|
|
"sendQuery": true,
|
|
"queryParameters": {
|
|
"parameters": [
|
|
{
|
|
"name": "requester",
|
|
"value": "={{ $('Question webhook').first().json.body.user ?? '' }}"
|
|
}
|
|
]
|
|
}
|
|
},
|
|
"retryOnFail": true,
|
|
"maxTries": 2,
|
|
"waitBetweenTries": 500,
|
|
"onError": "continueErrorOutput",
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|
"position": [
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1540,
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|
300
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|
],
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|
"id": "63fcb7b8-6a86-5ff2-9ec7-dbf12d90ba53"
|
|
},
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|
{
|
|
"name": "After data",
|
|
"type": "n8n-nodes-base.code",
|
|
"typeVersion": 2,
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|
"parameters": {
|
|
"jsCode": "return [{ json: { ...$json, t: Date.now() } }];"
|
|
},
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|
"position": [
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1760,
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300
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],
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|
"id": "e03ac097-cb39-5e96-b35f-6fef794dccc0"
|
|
},
|
|
{
|
|
"name": "Rule classify",
|
|
"type": "n8n-nodes-base.code",
|
|
"typeVersion": 2,
|
|
"parameters": {
|
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"jsCode": "const question = String($('Question webhook').first().json.body.question ?? '');\nconst results = $('Search FAQ').first().json.results ?? [];\nlet category = 'unknown';\nif (/T-?\\d{4}/i.test(question)) category = 'ticket';\nelse if (results.length > 0) category = 'faq';\nreturn [{ json: { category, by: 'rule' } }];"
|
|
},
|
|
"position": [
|
|
1980,
|
|
300
|
|
],
|
|
"id": "ad169caa-8acb-5747-9d80-de0809af7722"
|
|
},
|
|
{
|
|
"name": "Known?",
|
|
"type": "n8n-nodes-base.if",
|
|
"typeVersion": 2.2,
|
|
"parameters": {
|
|
"conditions": {
|
|
"options": {
|
|
"caseSensitive": true,
|
|
"leftValue": "",
|
|
"typeValidation": "loose",
|
|
"version": 2
|
|
},
|
|
"conditions": [
|
|
{
|
|
"id": "c1",
|
|
"leftValue": "={{ $json.category }}",
|
|
"rightValue": "unknown",
|
|
"operator": {
|
|
"type": "string",
|
|
"operation": "notEquals"
|
|
}
|
|
}
|
|
],
|
|
"combinator": "and"
|
|
},
|
|
"options": {}
|
|
},
|
|
"position": [
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|
2200,
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|
300
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|
],
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|
"id": "217e4a57-9524-59ca-8a5c-8d802a6ed928"
|
|
},
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|
{
|
|
"name": "Classify",
|
|
"type": "@n8n/n8n-nodes-langchain.agent",
|
|
"typeVersion": 3.1,
|
|
"parameters": {
|
|
"promptType": "define",
|
|
"text": "={{ $('Question webhook').first().json.body.question }}",
|
|
"options": {
|
|
"systemMessage": "You sort one company IT help-desk question. Categories: faq (how to fix or use something: password, account lock, VPN, printer, mail box, software install), ticket (asks about the status of an IT request ticket like T-1002), other (anything else). Return only JSON, no code fence: {\"category\": \"faq\"}",
|
|
"maxIterations": 1
|
|
}
|
|
},
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|
"position": [
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|
2420,
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300
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],
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"id": "84844dd8-a4c4-5466-8bfa-0164024d6889"
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|
},
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|
{
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|
"name": "Classify model",
|
|
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
|
|
"typeVersion": 1.2,
|
|
"parameters": {
|
|
"model": {
|
|
"__rl": true,
|
|
"mode": "id",
|
|
"value": "gpt-4.1-mini"
|
|
},
|
|
"options": {
|
|
"temperature": 0
|
|
}
|
|
},
|
|
"credentials": {
|
|
"openAiApi": {
|
|
"id": "openAiCourse0001",
|
|
"name": "OpenAI (.env)"
|
|
}
|
|
},
|
|
"position": [
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|
2420,
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|
520
|
|
],
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|
"id": "f97e877f-20e8-56a3-bbe5-504dceb6297f"
|
|
},
|
|
{
|
|
"name": "Parse category",
|
|
"type": "n8n-nodes-base.code",
|
|
"typeVersion": 2,
|
|
"parameters": {
|
|
"jsCode": "const raw = String($json.output ?? '').trim().replace(/^```(json)?\\s*|```$/g, '');\nlet category = 'other';\ntry { category = JSON.parse(raw).category ?? 'other'; } catch (error) { category = 'other'; }\nif (!['faq', 'ticket', 'other'].includes(category)) category = 'other';\nreturn [{ json: { category, by: 'llm' } }];"
|
|
},
|
|
"position": [
|
|
2640,
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|
300
|
|
],
|
|
"id": "79533502-a17e-5fce-a050-1f2577b3ef9f"
|
|
},
|
|
{
|
|
"name": "After classify",
|
|
"type": "n8n-nodes-base.code",
|
|
"typeVersion": 2,
|
|
"parameters": {
|
|
"jsCode": "return [{ json: { ...$json, t: Date.now() } }];"
|
|
},
|
|
"position": [
|
|
2860,
|
|
300
|
|
],
|
|
"id": "bd326baa-dd79-5020-9634-e80a1503221f"
|
|
},
|
|
{
|
|
"name": "Data down",
|
|
"type": "n8n-nodes-base.set",
|
|
"typeVersion": 3.4,
|
|
"parameters": {
|
|
"assignments": {
|
|
"assignments": [
|
|
{
|
|
"id": "d1",
|
|
"name": "route",
|
|
"value": "담당자 연결",
|
|
"type": "string"
|
|
},
|
|
{
|
|
"id": "d2",
|
|
"name": "answer",
|
|
"value": "사내 데이터 시스템이 응답하지 않아 담당자에게 연결합니다.",
|
|
"type": "string"
|
|
},
|
|
{
|
|
"id": "d3",
|
|
"name": "reason",
|
|
"value": "data_api_down",
|
|
"type": "string"
|
|
}
|
|
]
|
|
},
|
|
"options": {}
|
|
},
|
|
"position": [
|
|
3080,
|
|
820
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|
],
|
|
"id": "277957fb-f7b9-52f0-a345-6b0210360668"
|
|
},
|
|
{
|
|
"name": "Send data down",
|
|
"type": "n8n-nodes-base.respondToWebhook",
|
|
"typeVersion": 1.1,
|
|
"parameters": {
|
|
"respondWith": "json",
|
|
"responseBody": "={{ $json }}",
|
|
"options": {}
|
|
},
|
|
"position": [
|
|
3300,
|
|
820
|
|
],
|
|
"id": "1a26c632-4637-5a77-bf25-ad0068c539fe"
|
|
},
|
|
{
|
|
"name": "Answer",
|
|
"type": "@n8n/n8n-nodes-langchain.agent",
|
|
"typeVersion": 3.1,
|
|
"parameters": {
|
|
"promptType": "define",
|
|
"text": "=질문: {{ $('Question webhook').first().json.body.question }}\n분류: {{ $json.category }}\nFAQ: {{ JSON.stringify($('Search FAQ').first().json.results ?? []) }}\n접수 건: {{ JSON.stringify($('Get ticket').first().json) }}",
|
|
"options": {
|
|
"systemMessage": "You are the company IT help desk. Answer in Korean in at most 3 sentences, using only the FAQ entries and the ticket record given. Never invent steps, dates or names. For a ticket, say its status and note. If the data does not answer the question, say \"찾지 못했습니다\" and that a staff member will help.",
|
|
"maxIterations": 1
|
|
}
|
|
},
|
|
"position": [
|
|
3080,
|
|
300
|
|
],
|
|
"id": "df2b22cd-48a6-5b76-b884-ed5f116bee5a"
|
|
},
|
|
{
|
|
"name": "Answer model",
|
|
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
|
|
"typeVersion": 1.2,
|
|
"parameters": {
|
|
"model": {
|
|
"__rl": true,
|
|
"mode": "id",
|
|
"value": "gpt-4.1-mini"
|
|
},
|
|
"options": {
|
|
"temperature": 0
|
|
}
|
|
},
|
|
"credentials": {
|
|
"openAiApi": {
|
|
"id": "openAiCourse0001",
|
|
"name": "OpenAI (.env)"
|
|
}
|
|
},
|
|
"position": [
|
|
3080,
|
|
520
|
|
],
|
|
"id": "933cc07a-882b-5803-a339-ce7fff18d24e"
|
|
},
|
|
{
|
|
"name": "After answer",
|
|
"type": "n8n-nodes-base.code",
|
|
"typeVersion": 2,
|
|
"parameters": {
|
|
"jsCode": "return [{ json: { ...$json, t: Date.now() } }];"
|
|
},
|
|
"position": [
|
|
3300,
|
|
300
|
|
],
|
|
"id": "1126ce89-1de8-5dfd-af02-dfe16f941d0c"
|
|
},
|
|
{
|
|
"name": "Review check",
|
|
"type": "n8n-nodes-base.code",
|
|
"typeVersion": 2,
|
|
"parameters": {
|
|
"jsCode": "let answer = String($('Answer').first().json.output ?? '').trim();\nconst problems = [];\nif (!answer) problems.push('empty');\nif (!/[가-힣]/.test(answer)) problems.push('not_korean');\nif (answer.length > 400) { answer = answer.slice(0, 400); problems.push('too_long'); }\nreturn [{ json: { ...$json, answer, review_problems: problems } }];"
|
|
},
|
|
"position": [
|
|
3520,
|
|
300
|
|
],
|
|
"id": "4ceb73fa-4d1a-5166-9713-53a66329aa4b"
|
|
},
|
|
{
|
|
"name": "After review",
|
|
"type": "n8n-nodes-base.code",
|
|
"typeVersion": 2,
|
|
"parameters": {
|
|
"jsCode": "return [{ json: { ...$json, t: Date.now() } }];"
|
|
},
|
|
"position": [
|
|
3740,
|
|
300
|
|
],
|
|
"id": "c27c79b7-4a80-5197-9eb8-cc8ea3af07de"
|
|
},
|
|
{
|
|
"name": "Build result",
|
|
"type": "n8n-nodes-base.code",
|
|
"typeVersion": 2,
|
|
"parameters": {
|
|
"jsCode": "const ran = (name) => { try { return $(name).isExecuted; } catch (error) { return false; } };\nconst body = $('Question webhook').first().json.body;\nconst category = $('Parse category').isExecuted ? $('Parse category').first().json.category : $('Rule classify').first().json.category;\nconst answer = $('Review check').first().json.answer;\nconst results = $('Search FAQ').first().json.results ?? [];\nconst sources = category === 'faq' ? results.map((r) => r.id) : [];\nconst steps = [];\nif (ran('Rule classify')) steps.push('rule');\nif (ran('Classify')) steps.push('classify');\nsteps.push('faq', 'ticket', 'answer');\nsteps.push('check');\nconst llm_calls = (ran('Classify') ? 1 : 0) + 1 + 0;\nconst result = { route: '자동 답변', category, answer, sources };\nconst t = (name) => (ran(name) ? $(name).first().json.t : null);\nconst t0 = t('Start clock');\nconst marks = [['data', t('After data')], ['classify', t('After classify')], ['answer', t('After answer')], ['review', t('After review')]];\nconst timings = {};\nlet last = t0;\nfor (const [label, mark] of marks) {\n if (mark === null) continue;\n timings[`${label}_ms`] = mark - last;\n last = mark;\n}\ntimings.total_ms = Date.now() - t0;\nObject.assign(result, { llm_calls, cached: false, steps, timings });\nreturn [{ json: result }];"
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},
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"position": [
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3960,
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300
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],
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"id": "4e59eba2-74ef-5ad9-9322-f2a61dd24c2e"
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},
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{
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"name": "Cache it?",
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"type": "n8n-nodes-base.if",
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"typeVersion": 2.2,
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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": "loose",
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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.category === 'faq' && $('Cache key').first().json.use_cache }}",
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"rightValue": "",
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"operator": {
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"type": "boolean",
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"operation": "true",
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"singleValue": true
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}
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}
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],
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"combinator": "and"
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},
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"options": {}
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},
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"position": [
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4180,
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300
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],
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"id": "b02df770-a2da-5ff5-8506-be2aa57f15c4"
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},
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{
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"name": "Store in cache",
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"type": "n8n-nodes-base.httpRequest",
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"typeVersion": 4.2,
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"parameters": {
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"url": "=http://data-api:8800/cache/{{ encodeURIComponent($('Cache key').first().json.key) }}",
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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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"method": "POST",
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"sendBody": true,
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"specifyBody": "json",
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"jsonBody": "={{ JSON.stringify({ value: { route: $json.route, category: $json.category, answer: $json.answer, sources: $json.sources }, ttl: 600 }) }}"
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},
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"position": [
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4400,
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180
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],
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"id": "5e7d5d4d-1b3e-53cb-a622-f8b9057b7948"
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},
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{
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"name": "Result again",
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"type": "n8n-nodes-base.code",
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"typeVersion": 2,
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"parameters": {
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"jsCode": "return [{ json: $('Build result').first().json }];"
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},
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"position": [
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4620,
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180
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],
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"id": "a3625557-95dd-5b42-b0cc-a71bf5dfb881"
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},
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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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"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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"position": [
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4840,
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300
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],
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"id": "ec557367-5b2f-59d5-b7e1-ad7965d5b893"
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}
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],
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"connections": {
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"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": "Start clock",
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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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"Start clock": {
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"main": [
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[
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{
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"node": "Cache key",
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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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"Cache key": {
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"main": [
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[
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{
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"node": "Cache lookup",
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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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"Cache lookup": {
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"main": [
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[
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{
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"node": "Cached?",
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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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"Cached?": {
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"main": [
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[
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{
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"node": "Cached result",
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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": "Search FAQ",
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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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"Cached result": {
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|
"main": [
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[
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{
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|
"node": "Send cached",
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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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"Search FAQ": {
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|
"main": [
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|
[
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|
{
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|
"node": "Get ticket",
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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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|
"node": "Data down",
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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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|
"Get ticket": {
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|
"main": [
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[
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{
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|
"node": "After data",
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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": "Data down",
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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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"After data": {
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|
"main": [
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[
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{
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|
"node": "Rule classify",
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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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"Rule classify": {
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"main": [
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[
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{
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|
"node": "Known?",
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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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"Known?": {
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"main": [
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[
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{
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|
"node": "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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|
"node": "Classify",
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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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|
"Classify model": {
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|
"ai_languageModel": [
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|
[
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|
{
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|
"node": "Classify",
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|
"type": "ai_languageModel",
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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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|
"Classify": {
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|
"main": [
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[
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{
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|
"node": "Parse category",
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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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|
"Parse category": {
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|
"main": [
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|
[
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|
{
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|
"node": "After classify",
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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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|
"Data down": {
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|
"main": [
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|
[
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|
{
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|
"node": "Send data down",
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|
"type": "main",
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|
"index": 0
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|
}
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|
]
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|
]
|
|
},
|
|
"After classify": {
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|
"main": [
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|
[
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|
{
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|
"node": "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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|
"Answer model": {
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|
"ai_languageModel": [
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[
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{
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|
"node": "Answer",
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"type": "ai_languageModel",
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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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"Answer": {
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"main": [
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[
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{
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"node": "After 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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|
"After answer": {
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|
"main": [
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|
[
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|
{
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|
"node": "Review check",
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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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"Review check": {
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"main": [
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[
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{
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"node": "After review",
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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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"After review": {
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|
"main": [
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[
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|
{
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|
"node": "Build result",
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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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|
"Build result": {
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|
"main": [
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|
[
|
|
{
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|
"node": "Cache it?",
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|
"type": "main",
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|
"index": 0
|
|
}
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|
]
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|
]
|
|
},
|
|
"Cache it?": {
|
|
"main": [
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|
[
|
|
{
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|
"node": "Store in cache",
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|
"type": "main",
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|
"index": 0
|
|
}
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|
],
|
|
[
|
|
{
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|
"node": "Send result",
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|
"type": "main",
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|
"index": 0
|
|
}
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|
]
|
|
]
|
|
},
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|
"Store in cache": {
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"main": [
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|
[
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|
{
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|
"node": "Result again",
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|
"type": "main",
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|
"index": 0
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|
}
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]
|
|
]
|
|
},
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|
"Result again": {
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|
"main": [
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|
[
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|
{
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|
"node": "Send result",
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|
"type": "main",
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|
"index": 0
|
|
}
|
|
]
|
|
]
|
|
}
|
|
},
|
|
"settings": {
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|
"executionOrder": "v1"
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|
}
|
|
}
|