[m-mdy-m]

Summary

Add explicit Runtime integration coverage for incomplete Kernel notification history.

Coverage

• An event with edits_truncated = true forces an authoritative metadata refresh.
• A version-chain gap forces the same refresh instead of applying an incomplete edit transform.
• The test verifies the refreshed version, byte length and exact document bytes.

Contract references

• Spec RT-008: Runtime must resynchronize when notification history is incomplete or truncated.
• Runtime Host API 1.0.0 §3 Notifications: truncated edit data or a version-chain gap must never be replayed as a partial edit list.

No production behavior is changed; this locks the existing fail-safe behavior with regression coverage.

[chatgpt-codex-connector]

Codex Review Summary: ❌ Failed

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	❌ Failed 2026-11-13T15:48:02.209017Z We couldn’t complete this review. Comment @codex review to try again.	5b557c7	PR opened

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