pressing stop ended the turn with "Claude Code returned an error" — the agent
sdk reports interrupt() as an ordinary failed result, indistinguishable from a
real fault downstream. the sidecar now flags the session it interrupted and
rewrites that event to the existing durable 'stopped', which opencode already
emitted. escape stops the turn (bound to the chat subtree, not the document),
and the prompt comes back to the composer verbatim unless you've started typing
something else. history parity: claude files [Request interrupted by user] as a
user message, so the transcript reader maps those exact strings to the same
role instead of replaying them as something you typed.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
pastilhasandClaude Opus 5
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