sessionStore
A Claude Code settings key, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
Resumed sessions no longer inherit a stale config directory or abort on a failed file copy.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.222.
In the changelogs
3Releases whose published page names sessionStore.
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v2.1.315
SDK error now suggests a private config folder instead of /tmp
When
sessionStoreis used withpersistSession: false, the error now advises a new privateCLAUDE_CONFIG_DIRdeleted afterwards, not /tmpnamed in this entry, found in this entry's text
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v2.1.222
Resume no longer inherits a stale config directory or a half-copied file
Resumed sessions no longer inherit a stale config directory or abort on a failed file copy.
found in this entry's text
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v2.1.97
--session-mirrorFlag (SDK Internal)found in this entry's text
First cited
2The earliest release whose published evidence quoted sessionStore was v2.1.222, 4 Aug 2026. That is the oldest release this project wrote about it, so it is a floor on the name's age and not the release that introduced it. It is not a presence reading: which builds carried the name is the table below.
Presence across releases
0The miner has never read a build containing this name. It is here because a changelog entry of ours names it, which is evidence that it existed and not evidence of which releases carried it. The inventory starts at v2.1.138 and everything older than that was never mined.
Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the settings key does. All settings keys.