Sales Email Subject Line Generator

Generate subject lines for {{email_purpose}} emails to {{target_persona}}.

Context: {{email_context}}
Desired action: {{desired_action}}

Create 15 subject line options across these categories:

1. Curiosity-driven (3 options)
2. Value-focused (3 options)
3. Personalized/name-based (3 options)
4. Question-based (3 options)
5. Urgency/scarcity (3 options)

For each subject line:
- Show character count (keep under 50)
- Rate likely open rate impact (1-5)
- Note which inbox type it works best for (mobile vs desktop)

Avoid spam trigger words and clickbait that damages trust.