function analyzeTone(message) {
  signals = {
    formality: 0,  // -1 (casual) to 1 (formal)
    energy: 0,      // -1 (low) to 1 (high)
    detail: 0       // -1 (brief) to 1 (detailed)
  }

  // Formality signals
  if (hasGreeting(message, ["dear", "good morning", "good afternoon"])) {
    signals.formality += 0.3
  }
  if (hasGreeting(message, ["hey", "hi!", "yo"])) {
    signals.formality -= 0.3
  }
  if (hasEmoji(message)) {
    signals.formality -= 0.2
  }
  if (hasContractions(message)) {
    signals.formality -= 0.1
  }
  if (averageWordLength(message) > 5) {
    signals.formality += 0.1
  }

  // Energy signals
  if (hasExclamationMarks(message)) {
    signals.energy += 0.2 * countExclamations(message)
  }
  if (hasPositiveEmoji(message)) {
    signals.energy += 0.2
  }
  if (hasEnthusiasticWords(message)) {
    signals.energy += 0.2
  }

  // Detail signals
  if (message.length > 200) {
    signals.detail += 0.3
  }
  if (message.length < 50) {
    signals.detail -= 0.3
  }
  if (hasNumbersOrLists(message)) {
    signals.detail += 0.2
  }

  return signals
}

templates = {
  "schedule_demo": {
    "formal": "I would be delighted to arrange a demonstration. Please share your availability at your earliest convenience.",
    "professional": "Happy to set up a demo. What times work for you?",
    "casual": "Let's get you a demo! When's good for you?"
  },
  "answer_pricing": {
    "formal": "Regarding pricing, our solutions begin at [X]. I can provide a detailed proposal tailored to your requirements.",
    "professional": "Pricing starts at [X]. Want me to put together a custom quote based on your needs?",
    "casual": "We start at [X], but it depends on what you need. Want me to work up something specific for you?"
  }
}

function selectTone(detected_signals, brand_limits) {
  // Map detected tone to response tone
  if (detected_signals.formality > 0.5) {
    base_tone = "formal"
  } else if (detected_signals.formality < -0.3) {
    base_tone = "casual"
  } else {
    base_tone = "professional"
  }

  // Apply brand limits
  if (brand_limits.min_formality == "professional" && base_tone == "casual") {
    base_tone = "professional"
  }

  return base_tone
}

system_prompt = """
You are a sales assistant. Adapt your tone to match the prospect's communication style:

- If they're formal (complete sentences, professional language), respond formally
- If they're casual (abbreviations, emojis, fragments), respond casually
- Match their energy level

Brand guidelines:
- Always professional and helpful
- Can use humor if they do
- Never use profanity
- Stay within [formal - professional - friendly] range
"""

function generateResponse(message, context) {
  tone_analysis = analyzeTone(message)

  prompt = `
  Prospect's tone: ${describeTone(tone_analysis)}
  Prospect's message: ${message}
  Context: ${context}

  Respond in a matching tone while staying professional.
  `

  return llm.generate(system_prompt, prompt)
}

examples = [
  {
    input: "Hey! Super interested in your product. What's the price?",
    tone: "casual, high energy",
    output: "Hey! Glad to hear it! 😊 Pricing depends on your team size—usually ranges from $X-$Y/month. What's your setup like?"
  },
  {
    input: "Good morning. I would like to inquire about your enterprise pricing structure.",
    tone: "formal, low energy",
    output: "Good morning. Thank you for your inquiry. Our enterprise pricing is customized based on several factors. I would be happy to discuss your specific requirements. Would you have time for a brief call this week?"
  },
  {
    input: "Quick q - do you integrate with Salesforce?",
    tone: "casual, brief",
    output: "Yep! Full Salesforce integration. Want details?"
  }
]

brand_guidelines = {
  min_formality: "friendly_professional",
  max_casualness: "casual",  // Never "very_casual"
  emoji_allowed: true,
  emoji_max: 1,  // Per message
  humor_allowed: true,
  humor_type: ["light", "friendly"],  // Not sarcasm
  banned_words: ["...\"certain terms...\"],
  always_include: ["professional signature on email"]
}