{
  "name": "Exercise 4 - AI Audio Transcriber (Telegram → Notion)",
  "nodes": [
    {
      "parameters": {
        "updates": [
          "message"
        ],
        "additionalFields": {
          "download": true
        }
      },
      "id": "c1",
      "name": "Telegram Trigger",
      "type": "n8n-nodes-base.telegramTrigger",
      "typeVersion": 1.2,
      "position": [
        0,
        0
      ]
    },
    {
      "parameters": {
        "resource": "audio",
        "operation": "transcribe",
        "options": {}
      },
      "id": "c2",
      "name": "Transcribe Recording",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "typeVersion": 1.8,
      "position": [
        240,
        0
      ]
    },
    {
      "parameters": {
        "modelId": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini",
          "cachedResultName": "GPT-4O-MINI"
        },
        "messages": {
          "values": [
            {
              "content": "You summarise voice-note transcripts. Reply with: a one-line title (max 8 words) on the first line, then a blank line, then a clear, concise summary of 3-6 bullet points covering key points, decisions and action items. Use the same language as the transcript.",
              "role": "system"
            },
            {
              "content": "=Transcript:\n{{ $json.text }}"
            }
          ]
        },
        "options": {}
      },
      "id": "c3",
      "name": "Summarize Transcript",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "typeVersion": 1.8,
      "position": [
        480,
        0
      ]
    },
    {
      "parameters": {
        "pageId": {
          "__rl": true,
          "mode": "url",
          "value": ""
        },
        "title": "={{ $json.message.content.split('\\n')[0].replace(/^[#*\\s]+|[*]+$/g,'') }}",
        "blockUi": {
          "blockValues": [
            {
              "textContent": "=📅 {{ $now.toFormat('d LLL yyyy, h:mm a') }} · From: {{ $('Telegram Trigger').item.json.message.from.first_name }} · Duration: {{ ($('Telegram Trigger').item.json.message.voice || $('Telegram Trigger').item.json.message.audio || {}).duration }}s"
            },
            {
              "type": "heading_2",
              "textContent": "Summary"
            },
            {
              "textContent": "={{ $json.message.content.split('\\n').slice(1).join('\\n').trim().slice(0,1990) }}"
            },
            {
              "type": "heading_2",
              "textContent": "Full Transcript"
            },
            {
              "textContent": "={{ $('Transcribe Recording').item.json.text.slice(0,1990) }}"
            }
          ]
        },
        "options": {}
      },
      "id": "c4",
      "name": "Create Notion Page",
      "type": "n8n-nodes-base.notion",
      "typeVersion": 2.2,
      "position": [
        720,
        0
      ]
    }
  ],
  "connections": {
    "Telegram Trigger": {
      "main": [
        [
          {
            "node": "Transcribe Recording",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Transcribe Recording": {
      "main": [
        [
          {
            "node": "Summarize Transcript",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Summarize Transcript": {
      "main": [
        [
          {
            "node": "Create Notion Page",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1"
  }
}