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Remote session negotiation gains a new sessionRecord capability flag, off by default
What
The capability map used in remote/session negotiation gains a new sessionRecord entry, alongside existing entries like controlChannel, modelCatalog, setPermissionMode, fanout, presence, catchupReplay, bashExec, and fileRead. It defaults to false.
The flag is read in two places: an origin/mode tracking effect and an internal remote-transport check, and both reads are further gated by a call to vs().
Why
This lets Claude Code check whether a remote session supports recording before turning related behavior on. Because the flag defaults to off, it has no effect on existing sessions until it is explicitly enabled.
Names in the bundlesessionRecord
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What the sessionRecord capability actually enables isn't specified beyond its name and default.