- Add incontent_advanced group with 19 configurable fields in schema
- Support 5 density modes: paragraphs_only, conservative, balanced,
aggressive, custom
- Enable ad placement after H2, H3, paragraphs, images, lists,
blockquotes, and tables
- Add probability-based selection (25-100%) per element type
- Implement priority-based and position-based ad selection strategies
- Add detailed mode descriptions in admin UI for better UX
- Rename 'legacy' terminology to 'paragraphs_only' for clarity
- Support deterministic randomization using post_id + date seed
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
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