mitsuhiko: server-side context compaction breaks session portability for no technical reason

mitsuhiko · x · 2026-09-01

Armin Ronacher pushes back on server-side context compaction in AI coding tools in an exchange with Peter Steinberger: it breaks session portability, and there is no technical reason the server couldn't send a transcript back after compacting. Steinberger counters that not supporting it means accepting worse performance.

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