4f9a6f4ae3
The replaceVariables function was only supporting {{key}} format but
the email templates use {key} format (single braces). Updated to support
both formats for compatibility.
Changes:
- Added support for {key} format in addition to {{key}}
- Ensures all template variables are properly replaced
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>