Expand taxonomy: category 16 (Modern AI, LLMs & Agentic Systems) + GPU & kernel-methods rows

[afarbin]

Taxonomy expansion — makes PhD Proposal-v3 content visible in the matrix

New category 16 — Modern AI, LLMs & Agentic Systems (numbered 16 so existing C13–C15 granular IDs stay stable):

• Large language models (LLMs) & prompt engineering — DATA 6313 (PhD) D
• Retrieval-augmented generation (RAG) — DATA 6313 (PhD) D
• Agentic AI systems — DATA 6313 (PhD) D
• Graph neural networks / graph-based learning — DATA 5301 (PhD) D, DATA 6313 (PhD) D

New rows in existing categories:

• Cat 2: GPU / parallel computing & hardware acceleration — DATA 5303 (PhD) D
• Cat 9: Kernel methods (kernel trick, kernelized models) — ASDS 6304 D (migrated from its audit's EXTRA list: standalone kernel deck, Quiz 3, Kernel-PCA project) + DATA 5301 (PhD) D

Granular adds C2.13, C9.25, C16.1–C16.5. Coarse 114 → 120 topics (751 cells); granular 277 → 284 sub-topics (1,412 cells). Config/README labels updated. Pipeline validation: 0 discrepancies.

Note: Topics List.docx (the committee's source taxonomy) has not been touched — these additions should be folded into it by the taxonomy author.

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