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TLDR
Session state is the running message list (and any external persistence) that gives an agentic loop continuity. The exam tests progressive summarization tradeoffs (token savings vs. precision loss) and when checkpointing or external store reads are required. Full content lands in SCRUM-21 follow-up.
This concept has a stub page — vault sources are catalogued but full content lands in a SCRUM-21 follow-up pass. Sources: ACP-T03 §5 progressive summarization; GAI-K04 §8 multi-agent memory; ASC-A01 Course 3.
