Generar resúmenes de retrospectivas de sprints a partir de transcripciones con OpenAI y Google Sheets

• •Credenciales de API de Google Sheets
• •Clave de API de OpenAI

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        "text": "=You are an expert Agile coach. Summarize the following Sprint Review transcript related to the domain: {{ $json.Domain }} and sprint: {{ $json['Sprint name'] }}.\n\nRequirements:\n- Output strictly in Markdown.\n- add header title\n- Start with concise summary\n- Then a brief executive summary (3–5 bullets).\n- Then a **Presentation recap** table with columns: Timestamp | Presenter | Topics.\n- Finish with **Action items** as a checklist with owners if recognizable.\n- keep format clean with headers for each sections\n\nTranscript:\n{{ $json.transcriptWithTimestamps }}\n\n\n\n",
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        "content": "## Overview\nSprint Review Transcript → AI Markdown Summary → Google Sheets\nInputs: File (VTT/text), Sprint name, Domain.\nOutputs: Preview in UI + archived row in Sheet."
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        "content": "## Input Form\nCollects transcript file + sprint + domain."
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        "content": "## Transcript Parser\nNormalizes to `[HH:MM:SS] Speaker: text`.\nSupports VTT and simple speaker/timestamp lines."
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        "content": "## Preview\nShows the generated Markdown with custom CSS."
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      "parameters": {
        "content": "## Archive to Sheets\nSaves summary + transcript + metadata (date/domain/sprint/file)."
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        "content": "## LLM Backend\nOpenAI Chat Model used by AI Agent."
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