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Observations

Hooks post every prompt and tool call as an observation. Without an LLM key each is compressed synthetically (type, title, files, narrative). With a key the LLM writes richer titles, facts, and concepts.

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Memories

Saved explicitly through memory_save, the REST endpoint, or automatic distillation. A save that closely matches an existing memory supersedes it: the new record becomes v2 with a link to v1, and v1 leaves the search indexes while remaining in the version chain. A save that is similar but below the supersession threshold returns a similarTo hint so the caller can consolidate deliberately.

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Lessons

Rules the agent should keep applying. Confidence rises by reinforcement and decays weekly when unused; lessons that decay to the floor without reinforcement are retired. Recall is index-backed and ranks by relevance times confidence times recency.

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Crystals

One per session: narrative, key outcomes, files touched, lessons surfaced. Imported JSONL transcripts derive crystals and lessons automatically.
Last modified on August 15, 2026