Preserve timestamps when importing external agent sessions - #34989
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copyberry[bot] merged 1 commit intoJul 23, 2026
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## Why Imported sessions previously used the import time for their thread metadata, discarding the chronology recorded by the source session. ## What changed - Set `created_at` and `updated_at` from the earliest turn start and latest turn completion timestamps in the imported rollout. - Use the latest source timestamp for thread recency, while retaining the current time as a fallback when the rollout has no valid turn timestamps. ## Testing - Update the external agent import integration test to verify the persisted creation, update, and recency timestamps. GitOrigin-RevId: 396d5b7e7463a305a5a828ba3a432b4a97e5d2b9
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Preserve timestamps when importing external agent sessions
Why
Imported sessions previously used the import time for their thread metadata,
discarding the chronology recorded by the source session.
What changed
created_atandupdated_atfrom the earliest turn start and latest turncompletion timestamps in the imported rollout.
time as a fallback when the rollout has no valid turn timestamps.
Testing
creation, update, and recency timestamps.