Segundo borrador y envío de Gmail

• •Cuenta de Google y credenciales de API de Gmail
• •Clave de API de Google Gemini

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  "name": "2nd gmail draft and send",
  "tags": [],
  "nodes": [
    {
      "id": "04005997-5f22-40f8-b1c5-8791b106d277",
      "name": "Marcar para revisión humana",
      "type": "n8n-nodes-base.gmail",
      "position": [
        -48,
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      ],
      "webhookId": "f391c634-6d29-44eb-b122-e40c93df2cd0",
      "parameters": {
        "message": "={{ $json.output }}",
        "options": {
          "sendTo": "={{ $('Get a message').item.json.from.value[0].address }}",
          "threadId": "={{ $('Get a message').item.json.threadId }}"
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        "subject": "={{ $('Get a message').item.json.subject }}",
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      "credentials": {
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      "parameters": {
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    {
      "id": "55ee3c91-fa91-44eb-ad28-87c2a614f2a1",
      "name": "Modelo de chat Google Gemini",
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        "text": "=You are an AI assistant that drafts helpful email replies. For each incoming email, you will draft a reply and classify whether the email is 'simple' (can be auto-replied) or 'complex' (requires human review) or needs nothing to do.\n\nRules for classification:\n\n\nIf the email contains any sensitive topic (e.g: personal data such as biometric data, health records, racial or ethnic origin, religious or philosophical beliefs, political opinions, and sexual orientation, financial data (account numbers, credit card information), government identifiers (Social Security Numbers), and company-specific data such as trade secrets and strategic plans, etc.). classify it as \"draft\".\n\nAnd if the email does not contain any of the sensitive information and is a normal email and needs a reply, classify it as \"Reply\".\n\nAnd if an email does not contain any of the topic or information that does need reply (e.g, marketing or spam, automated notifications like \"do not reply\" emails or pickup alerts, transactional messages such as purchase receipts or account verification, and emails with no clear call to action that could bury important messages for recipients. In general, if a message is purely informational, doesn't ask for action, or is from an unknown source.) Classify it as \"Nothing\".\n\nProvide the Category Only: Respond with the category name and nothing else. Do not add any extra text, explanations, or commentary. Your response should be a single word. and you have 3 categories: \n\n1. Draft\n2. Reply\n3. Nothing\n\nHere is the Email:\n\n{{ $json.text }}",
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      "name": "Borrador de chat Gemini",
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      "position": [
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      "parameters": {
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        "height": 400,
        "content": "## Gmail Trigger + Get a message\n\nPurpose: Watches Gmail for new incoming messages, then fetches the full details (ID, subject, text, threadId, sender).\n\nThis provides the input data that downstream AI nodes will analyze and act on."
      },
      "typeVersion": 1
    },
    {
      "id": "1c0fdd25-c89d-4ee8-a83e-7f0b455921e8",
      "name": "Obtener un mensaje",
      "type": "n8n-nodes-base.gmail",
      "position": [
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      "webhookId": "b6b6ae33-af63-423a-b24d-70f9c8ccb73c",
      "parameters": {
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        "messageId": "={{ $json.id }}",
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        "content": "## Google Gemini Chat Model + AI Categorizer\n\nPurpose: Uses Gemini to classify each email into one of three categories:\n\n⦿ Reply: normal emails needing an auto-response\n\n⦿ Draft: sensitive or complex emails that need human review\n\n⦿ Nothing: spam, automated notices, or irrelevant messages\nOnly the single word category is returned."
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    {
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        "content": "## Reply, Draft, or Nothing (Switch)\n\nPurpose: Routes emails based on AI categorization:\n\n⦿ Reply → Generate Reply Email → Reply (auto-response sent immediately)\n\n⦿ Draft → Generate Draft Email → Flag for Human Review (reply is drafted but stored for human validation before sending)\n\n⦿ Nothing → No Operation (message ignored, nothing happens)"
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      "position": [
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        -240
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      "parameters": {
        "width": 672,
        "height": 576,
        "content": "## Generate Email Reply + Gemini Chat Reply + Reply\n\nPurpose:\n\n⦿ Gemini writes a warm, professional final reply using the subject + body of the incoming message.\n\n⦿ Reply node sends this AI-written response directly back to the sender, keeping the thread intact."
      },
      "typeVersion": 1
    },
    {
      "id": "2664562a-abe4-4857-ab53-82b8726a57ce",
      "name": "Nota adhesiva4",
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        "content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n## No Operation, do nothing\n\nPurpose: Handles the “Nothing” category gracefully. The workflow ends here without any email action."
      },
      "typeVersion": 1
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        "content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n## Generate Draft Email + Gemini Chat Draft + Flag for Human Review\n\nPurpose:\n\n⦿ Gemini drafts a professional reply in the same style, but does not send it.\n\n⦿ Draft is created in Gmail (with the sender and subject filled in).\n\n⦿ A human can then review/edit before sending. "
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        "text": "=Reply to the email I give you in a warm, polite, and professional tone. Write like a thoughtful human—use natural phrasing, gentle transitions, and avoid robotic or overly formal wording. Address all points clearly, keep it concise, and maintain a friendly, respectful feel. Reply must be easy to read. and don't output subject line, only output the reply. My name is hashir. must keep an eye on one thing, don't add in the reply anything like this \"[Your Company Name]\" etc. its a final reply so don't add anything that that needs any manual addition or editing. Output the final reply.\n\nHere is the Subject line: {{ $('Get a message').item.json.headers.subject }}\n\nHere is the Email:\n\n{{ $('Get a message').item.json.text }}",
        "options": {
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        "text": "=Reply to the email I give you in a warm, polite, and professional tone. Write like a thoughtful human—use natural phrasing, gentle transitions, and avoid robotic or overly formal wording. Address all points clearly, keep it concise, and maintain a friendly, respectful feel. Reply must be easy to read. and don't output subject line, only output the reply. My name is hashir. must keep an eye on one thing, don't add in the reply anything like this \"[Your Company Name]\" etc. its a final reply so don't add anything that needs any manual addition or editing. Output the final reply.\n\nHere is the Subject line: {{ $('Get a message').item.json.headers.subject }}\n\nHere is the Email:\n\n{{ $('Get a message').item.json.text }}",
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      "type": "n8n-nodes-base.gmail",
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          "appendAttribution": true,
          "replyToSenderOnly": false
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        "messageId": "={{ $('Get a message').item.json.id }}",
        "operation": "reply"
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          "name": "Gmail account"
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