alighasami
3d5eaf9445
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331 lines
8.3 KiB
JSON
331 lines
8.3 KiB
JSON
{
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"nodes": [
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{
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"id": "9f3a464a-3611-4c7b-b50a-b0e8e46621f7",
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"name": "Chat Trigger",
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"type": "@n8n/n8n-nodes-langchain.chatTrigger",
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"typeVersion": 1.4,
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"position": [250, 450],
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"parameters": {},
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"webhookId": "5a395181-5333-491c-a5a8-1b81cd1488ee"
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},
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{
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"id": "fc489001-f0ef-4429-88b7-556063db7cb7",
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"name": "Workflow Configuration",
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"type": "n8n-nodes-base.set",
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"typeVersion": 3.4,
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"position": [250, 300],
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"parameters": {
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"mode": "manual",
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"duplicateItem": false,
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"assignments": {
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"assignments": [
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{
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"id": "id-1",
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"name": "youtubeApiKey",
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"value": "<__PLACEHOLDER_VALUE__YouTube Data API v3 Key__>",
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"type": "string"
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}
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]
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},
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"includeOtherFields": true,
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"options": {}
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}
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},
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{
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"id": "98394a06-ceef-4c3d-a2c8-38f76258554d",
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"name": "Extract Video ID from URL",
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"type": "n8n-nodes-base.code",
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"typeVersion": 2,
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"position": [250, 300],
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"parameters": {
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"mode": "runOnceForAllItems",
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"language": "javaScript",
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"jsCode": "const url = $input.first().json.chatInput;\nlet videoId = '';\n\nif (url.includes('youtube.com/watch?v=')) {\n videoId = url.split('v=')[1].split('&')[0];\n} else if (url.includes('youtu.be/')) {\n videoId = url.split('youtu.be/')[1].split('?')[0];\n}\n\nreturn [{ json: { videoId, videoUrl: url } }];"
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}
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},
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{
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"id": "91c4eeda-0cc1-4362-a343-34120d745648",
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"name": "Get Video Details",
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"type": "n8n-nodes-base.youTube",
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"typeVersion": 1,
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"position": [250, 300],
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"parameters": {
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"resource": "video",
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"operation": "get",
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"videoId": "={{ $json.videoId }}",
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"part": ["snippet", "contentDetails"]
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}
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},
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{
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"id": "3a8e54ab-7bd0-4aae-896f-5ae912187386",
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"name": "Get Video Captions",
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"type": "n8n-nodes-base.httpRequest",
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"typeVersion": 4.3,
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"position": [250, 300],
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"parameters": {
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"method": "GET",
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"url": "=https://www.googleapis.com/youtube/v3/captions?part=snippet&videoId={{ $json.videoId }}&key={{ $('Workflow Configuration').first().json.youtubeApiKey }}",
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"authentication": "none",
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"sendQuery": false,
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"sendHeaders": false,
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"sendBody": false,
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"options": {
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"response": {
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"response": {
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"responseFormat": "json"
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}
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}
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}
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}
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},
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{
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"id": "cf311d08-3466-45cb-9376-3889ba450fd2",
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"name": "Prepare AI Input",
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"type": "n8n-nodes-base.set",
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"typeVersion": 3.4,
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"position": [250, 300],
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"parameters": {
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"mode": "manual",
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"duplicateItem": false,
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"assignments": {
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"assignments": [
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{
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"id": "id-1",
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"name": "transcript",
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"value": "<__PLACEHOLDER_VALUE__Transcript text from captions API__>",
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"type": "string"
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},
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{
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"id": "id-2",
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"name": "videoTitle",
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"value": "={{ $('Get Video Details').first().json.snippet.title }}",
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"type": "string"
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},
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{
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"id": "id-3",
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"name": "currentDescription",
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"value": "={{ $('Get Video Details').first().json.snippet.description }}",
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"type": "string"
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}
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]
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},
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"includeOtherFields": true,
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"include": "all",
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"options": {}
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}
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},
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{
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"id": "b4928db3-ebd6-4a42-9709-9f31da92595e",
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"name": "Chapter Generator Agent",
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"type": "@n8n/n8n-nodes-langchain.agent",
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"typeVersion": 3,
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"position": [250, 300],
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"parameters": {
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"promptType": "define",
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"text": "=Video Title: {{ $json.videoTitle }}\n\nTranscript:\n{{ $json.transcript }}",
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"hasOutputParser": true,
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"options": {
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"systemMessage": "You are a YouTube chapter timestamp generator. Your task is to analyze video transcripts and identify natural topic shifts to create meaningful chapter markers.\n\nInstructions:\n1. Read through the entire transcript carefully\n2. Identify major topic changes, transitions, or distinct sections\n3. Create chapter titles that are clear, descriptive, and engaging\n4. Ensure timestamps are in MM:SS or HH:MM:SS format\n5. Start with 0:00 for the introduction\n6. Space chapters appropriately (typically 1-5 minutes apart depending on content)\n7. Use title case for chapter names\n8. Keep chapter titles concise (under 60 characters)\n\nReturn the chapters in the structured format defined by the output parser."
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}
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}
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},
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{
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"id": "a37380fb-2688-411a-8721-9a53b8bd8969",
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"name": "Structured Output Parser",
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"type": "@n8n/n8n-nodes-langchain.outputParserStructured",
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"typeVersion": 1.3,
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"position": [250, 450],
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"parameters": {
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"schemaType": "fromJson",
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"jsonSchemaExample": "{\n\t\"chapters\": [\n\t\t{\n\t\t\t\"timestamp\": \"0:00\",\n\t\t\t\"title\": \"Introduction\"\n\t\t},\n\t\t{\n\t\t\t\"timestamp\": \"2:15\",\n\t\t\t\"title\": \"Main Topic\"\n\t\t}\n\t]\n}"
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}
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},
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{
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"id": "c5296072-e6ed-412b-8b98-a767ba090954",
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"name": "Anthropic Claude Model",
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"type": "@n8n/n8n-nodes-langchain.lmChatAnthropic",
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"typeVersion": 1.3,
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"position": [250, 450],
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"parameters": {}
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},
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{
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"id": "bc61dab2-efbe-4be8-991a-34ff07e9883c",
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"name": "Append Chapters to Description",
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"type": "n8n-nodes-base.set",
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"typeVersion": 3.4,
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"position": [250, 300],
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"parameters": {
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"mode": "manual",
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"duplicateItem": false,
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"includeOtherFields": true,
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"assignments": {
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"assignments": [
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{
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"id": "id-1",
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"name": "updatedDescription",
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"value": "={{ $json.currentDescription + '\\n\\n📑 CHAPTERS:\\n' + $json.output.chapters.map(ch => ch.timestamp + ' - ' + ch.title).join('\\n') }}",
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"type": "string"
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}
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]
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},
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"include": "all",
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"options": {}
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}
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},
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{
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"id": "2334a33f-e938-49d3-b520-d9110c7dc4b9",
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"name": "Update Video Description",
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"type": "n8n-nodes-base.youTube",
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"typeVersion": 1,
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"position": [250, 300],
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"parameters": {
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"resource": "video",
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"operation": "update",
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"videoId": "={{ $json.videoId }}",
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"title": "={{ $json.videoTitle }}",
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"regionCode": "",
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"categoryId": "",
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"updateFields": {
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"description": "={{ $json.updatedDescription }}"
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}
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}
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},
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{
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"id": "cdbb6701-e39a-4fd3-89e4-33ec09c136c7",
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"name": "Respond to Chat",
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"type": "n8n-nodes-base.respondToWebhook",
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"typeVersion": 1.5,
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"position": [250, 300],
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"parameters": {
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"respondWith": "text",
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"responseBody": "=✅ Successfully generated and added chapters to your YouTube video!\n\nVideo: {{ $json.videoTitle }}\n\nGenerated {{ $json.output.chapters.length }} chapters:\n{{ $json.output.chapters.map(ch => ch.timestamp + ' - ' + ch.title).join('\\n') }}"
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}
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}
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],
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"connections": {
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"Chat Trigger": {
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"main": [
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[
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{
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"node": "Workflow Configuration",
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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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"Workflow Configuration": {
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"main": [
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[
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{
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"node": "Extract Video ID from URL",
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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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"Extract Video ID from URL": {
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"main": [
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[
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{
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"node": "Get Video Details",
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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 Video Details": {
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"main": [
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[
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{
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"node": "Get Video Captions",
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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 Video Captions": {
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"main": [
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[
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{
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"node": "Prepare AI Input",
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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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"Prepare AI Input": {
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"main": [
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[
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{
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"node": "Chapter Generator 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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"Anthropic Claude Model": {
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"ai_languageModel": [
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[
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{
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"node": "Chapter Generator Agent",
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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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"Structured Output Parser": {
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"ai_outputParser": [
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[
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{
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"node": "Chapter Generator Agent",
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"type": "ai_outputParser",
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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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"Chapter Generator Agent": {
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"main": [
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[
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{
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"node": "Append Chapters to Description",
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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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"Append Chapters to Description": {
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"main": [
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[
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{
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"node": "Update Video Description",
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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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"Update Video Description": {
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"main": [
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[
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{
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"node": "Respond to Chat",
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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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},
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"name": "YouTube Video Chapter Generator from Captions with AI"
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}
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