shouldDeferParentWakeForSessionHistory previously had only one escape
path from the defer state: stale pending tool call. If the assistant
had unfinished text but no pending tool call (session crashed
mid-stream, model errored after partial text, network died), the
escape never fired and parent-wake deferred forever. Background-agent
completions never woke the parent.
Add a second escape: when the assistant text blocks but no tool wait
is pending, dispatch the wake after toolCallDeferMaxMs anyway. The
prompt-async-gate still defends if the assistant text turns out to be
live; we just stop deferring indefinitely.
Closes pre-publish blocker V11.
YeonGyu-Kim
69c955f61f