Excel + AI를 사용한 지능형 이메일 마케팅 생성기 (시트에서 받는 편지함)

• •Google 계정 및 Gmail API 인증 정보
• •Google Sheets API 인증 정보

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        "text": "=You are an expert sales copywriter. Based on the provided offer data, generate a persuasive and emotionally engaging promotional message for WhatsApp or Email that motivates immediate customer action.\n\n🎯 **Objective:**\nEncourage purchases by emphasizing value, benefits, urgency, and exclusivity with a detailed, impactful message.\n\n📌 **Format Guidelines:**\n- Keep under 150 words.\n- Use short, readable lines for WhatsApp/email.\n- Include 3–5 well-placed emojis for visual appeal.\n- Write in a warm, enthusiastic, benefit-driven tone.\n- Use bold hooks, clear product benefits, urgency, and rewards.\n- Structure with multiple unordered lists (`<ul>`) for impact and readability.\n\n📋 **Offer Data:**\n- Title: {{ $json.title }}\n- Discount: {{ $json.discount }}\n- Validity: {{ $json.validity }}\n- Products Included: {{ $json.products_included }}\n- Original Price: {{ $json.original_price }}\n- Discounted Price: {{ $json.discounted_price }}\n- Bonus Item: {{ $json.bonus }}\n- Call to Action: {{ $json.cta }}\n\n---\n\n📢 **Message Structure:**\n1. Start with a catchy, energetic title using 1–2 emojis and {{ $json.title }}.\n2. Hook with emotional language (e.g., “refresh your style,” “upgrade your look”).\n3. State {{ $json.discounted_price }} vs {{ $json.original_price }} and {{ $json.discount }} as a steal.\n4. List {{ $json.products_included }} in a `<ul>` with specific benefits (e.g., fabric, fit, usage).\n5. Highlight bundle value in a second `<ul>` (e.g., quality, versatility, savings).\n6. Present {{ $json.bonus }} as an exclusive gift with an emoji (e.g., 🎁).\n7. Emphasize urgency with {{ $json.validity }} and “limited stock” using ⏳.\n8. End with a motivational line and {{ $json.cta }} to create FOMO.\n\n---\n\n🧾 **Sample Output Format:**\n\n🔥 LAST CHANCE: {{ $json.title }}! 🌞\n\nReady to refresh your style? Grab this **limited-time deal** curated for you!\n\n💸 Only {{ $json.discounted_price }} ({{ $json.discount }} OFF {{ $json.original_price }}) — save big now!\n\n✨ **What’s Included:**\n<ul>\n  <li>👕 Stylish Shirt – breathable cotton for all-day comfort</li>\n  <li>👔 Classic T-Shirt – perfect for any summer vibe</li>\n</ul>\n\n🛍️ **Why You’ll Love It:**\n<ul>\n  <li>✔️ Premium quality at a steal</li>\n  <li>✔️ Versatile looks for any occasion</li>\n  <li>✔️ Curated bundle, no guesswork</li>\n</ul>\n\n🎁 **Exclusive Bonus:** {{ $json.bonus }} – yours free!\n\n⏳ **Hurry!** Offer ends {{ $json.validity }}. Limited stock!\n\n👉 Don’t wait – {{ $json.cta }} now to slay the season in style!\n\n---\n\n✅ **Notes:**\n- Make the message personal, warm, and engaging.\n- Avoid robotic or templated language.\n- Use `<ul>` for product details and benefits to enhance readability.\n- Ensure clear formatting with emojis, short lines, and emotional appeal.\n- Do not include notes or explanations in the output.",
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        "emailType": "text"
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