Transformer Mechanics

The chapters in this module, in reading order.

#	Chapter
00	Transformer architecture in kid words — the assembly line
01	The stacking failure — why depth without rails produces garbage
02	Residual connections — the shortcut pipe
03	The residual stream — the shared canvas
04	Layer normalization — the quality inspector
05	Pre-norm vs post-norm — where the inspector stands
06	The transformer block — two benches, one station
07	Attention inside the block — the social bench
08	The feed-forward network — the private bench
09	Encoder, decoder, encoder-decoder — three factory layouts
10	Causal masking — blocking the future
11	KV cache — not rewriting yesterday's notes
12	GQA and MQA — fewer notebooks for the same crews
13	Flash Attention — same answer, far less memory traffic
14	Honest admission — what this module glossed over