Add cow context#1271
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sugmanue
approved these changes
Jun 25, 2026
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What behavior changes?
Describe the observable difference in behavior before and after this change.
Adds COW context to avoid copies
Why is this change needed?
Explain the motivation: bug, feature request, refactor, performance, etc.
Fewer copies, better p99s
How was this validated?
List tests added, benchmarks run, or manual verification performed.
tests
What should reviewers focus on?
Point reviewers to the files or sections that contain the interesting logic.
Additional Links
Related issues, design docs, or prior art.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.