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v0.5.0 — Durable Local Operations & Checkpoints

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@elbuilder77 elbuilder77 released this 06 Sep 03:39
v0.5.0
6107482

Added

  • Append-Only Event Stream (\ empus.event-stream-event.v1): Monotonically sequenced, hash-linked (\prev_event_hash\ ➔ \�vent_digest) event recording for all authorizations, outcomes, agent registrations, and policy installations.
  • Signed Monotonic Checkpoints (\ empus.checkpoint.v1): Gate-signed external checkpoints binding cumulative SHA-256 stream root hashes and sequence windows (\ irst_sequence..\last_sequence).
  • Cryptographic Stream Verifier (\ empus.checkpoint-verification.v1): Offline mathematical verification engine detecting rollback attacks (\ERR_ROLLBACK_DETECTED), sequence gaps (\ERR_SEQUENCE_GAP), broken chain linkage (\ERR_CHAIN_LINKAGE_BROKEN), and single-byte tampering (\ERR_EVENT_TAMPERED).
  • Unified Mediated Executor Runtime (\ExecutorRuntime): Standardized base runtime with protocol \ActionAdapter\ and conformance testing harness (\AdapterConformanceHarness\ in \ empus_ddb.testing).
  • CLI Checkpoint & DR Commands: Added \ empus checkpoint create, \ empus checkpoint export, and \ empus checkpoint verify.
  • Disaster Recovery Guide: Published comprehensive procedures in \docs/BACKUP_AND_DISASTER_RECOVERY.md.
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