L26 · The Complete Journey

Two journeys, start to finish

Every box below reopens its original lesson rather than re-explaining it here. This is a map, not a summary.

Condominium — core mechanics

L00The AI You Already Use L01From Words to Tokens L02How Words Become Numbers L03Similarity and the Dot Product L04Neural Networks L05How a Network Learns L06Language Models L07Transformers L08Attention L09Why Multiple Attention Heads?L10Context L11Where Did the Knowledge Come From?L12Post-Training: From Predictor to Assistant L13Memorization vs Generalization vs Reasoning L17Retrieval and RAG L18Multimodal AI L19Memory L20Data and Privacy: What Happens to What You Share L21Hallucination L22Why Prompts Matter

Kitchen Inventory — the system/agent layer

L16Tools: When the Model Is Not Enough L23From Chatbot to AI System: The Model vs. the Product L24Agents L25Trust and Responsible Use

Depth ladder

This is a single picture of everything the course covered, laid out in the order it actually happened — one lane for the condominium conversation, one lane for the Kitchen Inventory Agent.

Knowledge check

Capstone: given a brand-new AI Tool interaction (not condo or kitchen), annotate it end to end using the concepts from the map.