🔑 Generate API Key

📋 What you'll need:
• Your email address (used to generate your unique user_id)
• Your name (optional)

🔐 What you'll get:
• API Key: fm_xxxxx... (show once, copy immediately!)
• User ID: user_xxxxx (deterministic from your email)
• All your data (orders/drivers/assignments) will be isolated by this user_id