You'll notice
Useful2 Signal2
Reattaching to a vanished remote session mints a fresh one without backfilling missing history.
What's wrong with this entry?
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What
When you reattach to a remote bridge session that no longer exists, Claude Code mints a fresh session instead, and that session is now flagged to skip backfilling history it does not have. The replacement also gets a neutral fallback title rather than inheriting the old one.
Details
- The flag is threaded through the transport options, the
bridge-sessiontranscript entries, the session-state maps and the clear/save helpers, so it survives save and restore. - Triggered by a reattach-target-gone callback; nothing else in the build sets the flag.
Evidence
noHistoryBackfill
Strings lifted out of the shipped bundle, so the claim above can be checked against them.