Extraer datos de contratos legales y enviar recordatorios con VLM Run, Google Workspace y Slack

• •Bot Token de Slack o URL de Webhook
• •Punto final de HTTP Webhook (n8n generará automáticamente)
• •Credenciales de API de Google Drive
• •Credenciales de API de Google Sheets

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        "content": "## 📁 Input Processing\n\n**Monitors & downloads contract files from Google Drive.**\n\n**Process:**\n1. Watches designated Drive folder\n2. Auto-triggers on new uploads\n3. Downloads files for AI processing\n\n**Supported Formats:**\n- Images (JPG, PNG, WEBP)\n- PDF documents\n- Mobile camera uploads\n- Scanned contracts"
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        "content": "## 🤖 VLM Run Contract Extraction\n\n**Uses VLM Run node to extract structured data from contract images/PDFs.**\n\n**Extracts:**\n- Contract ID\n- Title\n- Parties\n- Effective Date\n- Termination Date\n\n**Features:**\n- Handles poor quality images\n- Various receipt formats\n- OCR text recognition"
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        "content": "## 📊 Data Storage\n\n**Structures and stores extracted data in Google Sheets.**\n\n**Features:**\n- Clean, organized format\n- Centralized expense database\n- Auto-appends new entries\n- Analysis-ready data\n\n**Data Fields:**\n- ID\n- Title\n- Parties\n- Effective and Termination Date\n\n**Benefits:**\n- Real-time tracking\n- Easy exports\n- Mobile access"
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            "Parties": "={{$node[\"Format Contract Data\"].json[\"Parties\"]}}",
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          "string": [
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              "name": "Contract ID",
              "value": "={{ $json.body.response.contract_id }}"
            },
            {
              "name": "Title",
              "value": "={{ $json.body.response.title }}"
            },
            {
              "name": "Parties",
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        "jsCode": "// n8n Function node code\n// Reads from Format Contract Data node and returns 1..3 items, each has .json with summary, description, start, end (YYYY-MM-DD)\n\nconst fmt = $node[\"Format Contract Data\"].json;\nconst title = fmt[\"Title\"] || \"Untitled Contract\";\nconst cid = fmt[\"Contract ID\"] || \"\";\nconst parties = fmt[\"Parties\"] || \"\";\nconst drive = fmt[\"Drive Link\"] || \"\";\n\nfunction isoDate(d) {\n  // return YYYY-MM-DD\n  return d.toISOString().split('T')[0];\n}\n\nfunction makeAllDayDates(dateStr) {\n  // Accepts YYYY-MM-DD (or other parseable), returns start and end for all-day event.\n  if(!dateStr) return null;\n  const d = new Date(dateStr + \"T00:00:00\");\n  const start = isoDate(d);\n  const endD = new Date(d);\n  endD.setDate(endD.getDate() + 1); // exclusive end for all-day events\n  const end = isoDate(endD);\n  return { start, end };\n}\n\nconst items = [];\n\n// Effective Date event\nconst eff = makeAllDayDates(fmt[\"Effective Date\"]);\nif (eff) {\n  items.push({\n    json: {\n      summary: `${title} — Effective Date`,\n      description: `Contract ID: ${cid}\\nParties: ${parties}\\nDrive: ${drive}`,\n      start: eff.start,\n      end: eff.end,\n      allDay: true,\n      metaType: \"effective\"\n    }\n  });\n}\n\n// Termination Date event\nconst term = makeAllDayDates(fmt[\"Termination Date\"]);\nif (term) {\n  items.push({\n    json: {\n      summary: `${title} — Termination Date`,\n      description: `Contract ID: ${cid}\\nParties: ${parties}\\nDrive: ${drive}`,\n      start: term.start,\n      end: term.end,\n      allDay: true,\n      metaType: \"termination\"\n    }\n  });\n\n  // Renewal review reminder 60 days before termination\n  const termDate = new Date(fmt[\"Termination Date\"] + \"T00:00:00\");\n  const reminderDate = new Date(termDate);\n  reminderDate.setDate(reminderDate.getDate() - 60); // change 60 to your preferred days\n  const remStart = isoDate(reminderDate);\n  const remEndD = new Date(reminderDate);\n  remEndD.setDate(remEndD.getDate() + 1);\n  const remEnd = isoDate(remEndD);\n\n  items.push({\n    json: {\n      summary: `${title} — Renewal Review (Reminder)`,\n      description: `Contract ID: ${cid}\\nTermination Date: ${fmt[\"Termination Date\"]}\\nAction: Review & decide renewal.`,\n      start: remStart,\n      end: remEnd,\n      allDay: true,\n      metaType: \"renewal_reminder\"\n    }\n  });\n}\n\nreturn items;\n"
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        "end": "={{$json[\"end\"]}}",
        "start": "={{$json[\"start\"]}}",
        "calendar": {
          "__rl": true,
          "mode": "list",
          "value": "sayonaraistata@gmail.com",
          "cachedResultName": "sayonaraistata@gmail.com"
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          "summary": "={{$json[\"summary\"]}}",
          "description": "={{$json[\"description\"]}}"
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        "content": "## 🔔 Notifications Added:\n\n1. **Slack** → Posts contract details & AI-generated summary to #all-n8n-test for team visibility.\n\n2. **Google Calendar** → Auto-creates all-day events:\n   • Effective Date\n   • Termination Date\n   • Renewal Reminder (30 days before)\n   → Helps track key contract milestones.\n"
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        "content": "## 📝 Set the Callback URL\n\nMake sure to paste the **Production URL** of your n8n Webhook node into the **Callback URL** field in VLM Run. This ensures that the extracted image links are securely and reliably sent back to your live workflow. Do **not** use localhost or development URLs, they won’t be reachable by VLM Run’s servers."
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