Progress, open items, and changelog

Progress checklist

• Front matter and glossary
• Part 1: Foundations (chapters 1 to 4)
• Part 2: The Loop (chapters 5 to 9)
• Part 3: Memory and Retrieval (chapters 10 to 13)
• Part 4: Skills and Agents (chapters 14 to 18)
• Part 5: Observability, Evaluation, and Cost (chapters 19 to 22)
• Part 6: Durable Execution with Temporal (chapters 23 and 24)
• Part 7: Capstone (chapter 25)

Open items

• Confirm class names and annotations against the pinned versions. Several chapters are marked to verify.
• Add the fake log data set and runbook files to the course repository.
• Add an answer key for each chapter exercise.
• Confirm the BM25 index statement and the probe syntax (Ch. 11, 12).
• Confirm the reranker /rerank request shape (Ch. 13).
• Confirm the Temporal annotation packages and starter keys (Ch. 24).
• Switch Chapter 25 to io.temporal:spring-ai after a public release (PR #40 is open).

Changelog

• v0.1: Table of contents.
• v0.2: Front matter, glossary, chapters 1 to 7.
• v0.3: Chapters 8 to 25.
• v0.4: Hybrid retrieval with VectorChord (keyword and vector, merged with RRF).
• v0.5: Local BGE-M3 embeddings. Plain JUnit evals. Spring Cache with Caffeine.
• v0.6: Approvals and run state in PostgreSQL. LM Studio embeddings. Skill pre-filtering.
• v0.7: Knowledge graph in Apache AGE. Reranker over REST.
• v0.8: Spring AI Session for short-term memory. LM Studio chat with Gemma.
• v0.9: Temporal required for every run.
• v1.0: Versions pinned. Chapter 25 uses plain Temporal activities. Version policy added.
• v1.1 (this document): Consolidated into one document. Spring Boot 4.1.1, Spring AI 2.0.1, Session 0.6.0, Temporal 1.35.0.