- Add complete YAML frontmatter with metadata
- Add INTELLIGENCE tier badge
- Standardize to exactly 5 learning objectives
- Implement Build → Use → Analyze pedagogical pattern
- Add Why This Matters with GPT-4/BERT/AlphaFold production context
- Add historical context from RNNs to Transformers revolution
- Add comprehensive Implementation Guide with scaled dot-product and multi-head attention code
- Add Systems Thinking Questions on O(n²) complexity and multi-head benefits
- Add Real-World Connections to LLMs, translation, and vision transformers
- Reduce emoji usage for professional tone
- Add clear What's Next navigation to Module 13
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