Evidence record / flue

A dated record of one change, kept so the writing that cites it can be checked. Compiled from the sources listed below by the research run, not written for reading. The judgment lives in the issues that cite it, below.

Cloudflare WebSocket error handling for session restoration

What Changed

Cloudflare agent WebSockets now return a correlated error frame when persisted session restoration fails before a prompt, improving error visibility.

Operator Implication

Operators can now better diagnose Cloudflare WebSocket session restoration failures through correlated error frames.

Receipt

Finding metadata

Run: 2026-06-03-weekly-digest-2026-05-28_2026-06-03-frontier-v0

Finding ID: 2026-06-02-flue-v091-error-handling

Source links

Primary links, including exact changelog lines when available.

Versioned source: run artifact