main carried three hand-rolled copies of the same recovery policy —
prompt.submit (submit.ts), session.interrupt (cancelRun) and
session.redirect (steering) each open-coded
isSessionNotFoundError -> resolveSessionProfile -> session.resume ->
retry. Three copies of one policy is how call sites drift apart, and it
is why the RPCs that were never given a copy (attach, /compress,
checkpoint restore) still surface a raw "session not found" after
sleep/wake while plain text silently recovers.
Introduce withSessionNotFoundResume() as the single resolver and move
all three existing copies onto it. Profile resolution is injected rather
than imported so the helper is unit-testable without reaching through
resolveStoredSession -> getSession(); a drift callback lets each caller
keep its own abort semantics via SessionRecoveryAborted.
Co-authored-by: xxxigm <xxxigm@users.noreply.github.com>
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