Fixes#439. When a cycling session is abandoned and the wrapped region is
then edited or regenerated out of the source file, the resumed page used
to sit in GENERATING forever with the picker disarmed; the only recovery
was a manual live-complete --discarded. Now a resumed CYCLING session
whose wrapper cannot be found in source retries the read a few times
(HMR or an agent write may be mid-flight), then discards itself, clears
local state, and re-arms the picker with a toast. GENERATING restores
are exempt: deferred-wrapper flows legitimately have no wrapper in
source until the agent's write lands.
The browser tags the discard event orphaned:true; the server terminalizes
that session directly (phase discarded) and keeps the event out of the
agent poll queue, since there is no source cleanup left to perform and
the normal discard flow would just fail against the missing scaffolding.
New e2e scenario on vite8-react-plain drives the full repro: cycle,
revert source externally, reload, assert self-discard, terminal durable
phase, and a working picker afterward.
AI-assisted (Claude Code).
Co-Authored-By: Claude Code <noreply@anthropic.com>
Paul BakausandClaude Code
69456364b2