fix: prevent concurrent TURNKEY_INIT_MESSAGE_CHANNEL from establishing multiple channels#119

ethankonk merged 2 commits intomaintkhq/frames:mainfrom

leeland/eng-3785-sb-2026-22-frames-channel-bootstrapping-allows-multipletkhq/frames:leeland/eng-3785-sb-2026-22-frames-channel-bootstrapping-allows-multipleCopy head branch name to clipboard