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Engram Overlay v1.5.5

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@JJHbrams JJHbrams released this 20 Aug 05:02
· 31 commits to master since this release
v1.5.5
cfabcc1

Engram Overlay v1.5.5 separates non-terminal session checkpoints from irreversible closure and hardens STM lifecycle safety.

Highlights:

  • Adds engram_summarize_session with durable message watermarks while keeping sessions open.
  • Makes engram_close_session a terminal boundary with final checkpoint and cache-binding invalidation.
  • Rejects writes to ended sessions and creates linked continuation sessions for stale implicit fingerprints.
  • Adds trusted journal provenance so subagents cannot write root-session Daily journals.
  • Writes one replaceable external Obsidian Daily snapshot per KG project/day while preserving the managed Wiki Daily ledger.
  • Extends policy guidance across Codex, Claude Code, Copilot, and Goose.

Validation:

  • 480 AMBER source tests passed in an isolated Windows profile.
  • Reuses the prevalidated frozen installer without rebuilding.
  • Installer size: 419,609,396 bytes.
  • SHA-256: CE1A12D69BE2728F90CF5AA85C2718E24954356E61CF60BF71E719289C07D106

Upgrade preserves existing databases, Wiki content, and Daily notes. Historical messages stranded after prior closes are not moved automatically.

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