Bas van den Aakster 6e4f754306 Fix critical type safety and validation issues ...

Issue 2 - Type Safety:
- Remove dangerous 'as any' casts in sendEmail function
- Use proper typing for payload.create() calls
- Maintain type safety throughout email creation process

Issue 3 - Email Validation:
- Implement RFC 5322 compliant email regex
- Add comprehensive validation for common invalid patterns
- Check for consecutive dots, invalid domain formats
- Prevent emails like 'test@.com' and 'test@domain.'

Issue 4 - Error Message Logic:
- Add contextual error messages for template vs direct email modes
- Distinguish between template rendering failures and missing direct email content
- Provide clearer guidance to developers on what went wrong

Additional fixes:
- Update imports to use generated Email type instead of BaseEmailData
- Maintain compatibility with updated sendEmail interface

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

2025-09-13 21:57:02 +02:00

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