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Co-authored-by: Niklas Mischkulnig <4586894+mischnic@users.noreply.github.com> Co-authored-by: Tobias Koppers <1365881+sokra@users.noreply.github.com>
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October 30, 2026 22:42
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What?
Add turbo_tasks agent guidance for eventual consistency and cell equality.
Why?
#100928 showed that separately published cells can be read from different executions during recomputation, causing cross-cell index lookups to panic. #100935 showed a distinct, persistent mismatch: order-insensitive equality can retain an old collection ordering while related indices change.
How?
Document safe handling of mixed-generation reads, the distinction between bounds guards and coherent snapshots, and the need for equality to capture observable ordering. Keep the guidance in the existing shared turbo_tasks section of
turbopack/AGENTS.md, already referenced bycrates/AGENTS.md, without duplicating instructions.Verification
turbopack/AGENTS.mdis modified.