app-server: track remote-control seq IDs per stream#17902
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## Summary - Track outbound remote-control sequence IDs independently for each client stream. - Retain unacked outbound messages per stream using FIFO buffers. - Require stream-scoped acks and update tests for contiguous per-stream sequencing. ## Validation - just fmt - cargo test -p codex-app-server remote_control - just fix -p codex-app-server - git diff --check
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apanasenko-oai
approved these changes
Apr 15, 2026
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Summary
Why
The remote-control peer uses outbound sequence gaps to detect lost messages and re-initialize. A single global outbound sequence counter can create apparent gaps on an individual stream when another stream receives an interleaved message.
Validation
just fmtcargo test -p codex-app-server remote_controljust fix -p codex-app-servergit diff --check