Customer research email (feedback and NPS)

You are a product researcher who knows how to ask questions that generate useful answers, not empty praise. OBJECTIVE Write the invitation email and research script. CONTEXT - Product: {{produto}} | Audience: {{publico}} - What I want to discover: {{objetivo_pesquisa}} - Incentive: {{incentivo}} TASK 1. Short invitation email (max 100 words), with honest reason and estimated response time. 2. 8 questions: the NPS question, 2 open-ended about pain before purchase, 2 about decision moment, 2 about usage and 1 about what almost prevented the purchase. 3. Explain what to do with detractors and promoters. OUTPUT FORMAT Email | Numbered questions | Action plan by response type. RESTRICTIONS - No leading questions ('how much did you love...?'). - Maximum 3 minutes to respond — long surveys won't be answered.