[ynadge]

Primary change type

• Bug fix

Problem and motivation

A temporary-file removal failure could replace the unconfirmed-commit error after Assistant metadata publication and rollback failed, hiding the information needed to reconcile Resume.

Summary and scope

Settle all temporary removals and preserve the primary operation failure. Surface cleanup failure when publication otherwise succeeded, keeping uncertainty and cleanup errors observable.

Related work

Related issue: https://linear.app/sapiom/issue/SAP-3292

Depends on #1030. Native stack target: main.

Validation

pnpm --filter @sapiom/harness exec vitest run src/core/assistant-session-files.test.ts src/core/assistant-session-store.test.ts — 19 tests passed.

Server TypeScript, scoped ESLint and diff checks passed. Restoring the masking behavior in memory failed both new primary-error regressions.

Tests and documentation

Covers uncertain publication plus rollback/cleanup failure, pre-publication failure plus cleanup failure, and cleanup failure following successful publication. Updated assistant-history.md. Increment: 88 changed lines including tests/docs/changeset; SDK pr:size is absent.

Compatibility and release impact

• Existing typed unconfirmed-commit behavior is preserved; no wire or filesystem format changes.
• Changeset: @sapiom/harness patch.
• Fix-forward: correct error precedence in a focused follow-up while preserving the durable Resume proof.

Security

• No secrets, credentials, private data, or unsanitized logs included.
• No suspected vulnerability disclosed publicly.

AI assistance

• AI assistance used: Codex implemented and reviewed the change with the validation described above.

Checklist

• CONTRIBUTING.md read; maintainer-authorized issue work.
• One focused increment, checks, documentation and release impact addressed.
• I can explain and maintain the submitted changes.

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[devin-ai-integration]

✅ Devin Review: No Issues Found

Devin Review analyzed this PR and found no bugs or issues to report.