Populates the dropdown_options table with default channels,
sub-channels, and proof types that were previously hardcoded:
- Social (Meta, X, LinkedIn, TikTok, YouTube)
- Display (Programmatic, Direct Buy, Rich Media)
- Email (Marketing, Transactional)
- Print (Magazine, Newspaper, Direct Mail)
- OOH (Billboard, Transit, Street Furniture)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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