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Prepare Agentium 4.9.0: reliable execution, continuity and durable graphs - #2

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xerycks merged 12 commits into
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agent/release-4.9.0
Oct 13, 2026
Merged

xerycks merged 12 commits into
mainfrom
agent/release-4.9.0

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@xerycks

@xerycks xerycks commented Oct 13, 2026 •

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Prepares Agentium 4.9.0 by integrating the dependability, context-continuity and execution-graph changes with upstream 4.8.3. All ten workspaces and internal peers target 4.9.0.

  • Add opt-in recoverable execution graphs with versioned host catalogs, node/effect recovery, root concurrency and lifetime bounds, bounded model planning and pending-only streamed revisions.
  • Add Workflow dependency graphs and checkpoint validation, scoped evidence recall and incremental summaries, current-evidence completion verification, and the harness evaluation adapter.
  • Preserve upstream EmbeddingGemma native video support and correct the merged fetch-mock types.
  • Bind release CI to an immutable commit and retained tarball hashes. Consumers install those retained packages; publication reconciles actual registry bytes, records partial outcomes and does not rebuild after verification.
  • Document compatibility changes and host responsibilities in the changelog, package guides and release guide. Docs PR #1 adds the matching 4.9 guides, migration, references and executable recipes.

Validation: exact-commit artifact CI and PR CI passed. Both Linux Node 22/24 cells built and typechecked all ten packages, passed lint and metadata checks, and ran the database-enabled suite: 3,069 passed / 9 gated skips per runtime. Four package-consumer/CLI cases passed per runtime, with Node 24 testing the retained tarballs. Three pinned sandbox/OpenTelemetry SDK fixtures and final artifact verification passed. The nine suite skips include seven cases covered separately and two optional local-model/native LiveKit cases. Local macOS Node 22/24 validation also passed.

The verified source is a87693df211d1352cc176803f45f2a0afa204557. Linux manifest SHA-256: 489f3f7dd375d78ffe3a9605ad6a3d6bf0c8671986c15915efb048338e6cef7c. A local download was verified against the CI manifest and source. No release tag, npm publication or production docs promotion was performed.

Custom HarnessExecutionServices and RunHandle implementations need the new required members. Legacy synchronous cost-budget helpers reject after canonical accounting is used. Cancellation is cooperative; unknown external effects require host reconciliation/idempotency. No exactly-once external execution guarantee is introduced.

An initial unrestricted-parallel local Mongo lease failure remains undiagnosed and is retained in the evidence. The final suite and CI use two test workers. The crash fixture waits for the server-clock lease condition; its 400 ms lease and recovery assertions are unchanged.

@xerycks
xerycks merged commit a87693d into main Oct 13, 2026
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Prod — a87693df Deployed Oct 13, 2026 by xerycks via publish #40
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