The Bash tool's description length is decided once per process so it can't change mid-session.
tengu_thrifty_sonic On for this account, and not off by defaultThe flag server returned on for the one account this site reads, and nothing in this release compiles it off by default. The compiled default is shown below, and says which it is when we cannot read one: a fifth of gates compile in a string or a number rather than on or off, and most published releases have no gate table behind them at all. No client can see what the server returns for your account.
This account: on · anonymous baseline: on · compiled default in v2.1.232: not a boolean we can read
These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.
Read once, for one account on one subscription tier, against v2.1.232. It isn't a statement about your account. What a flag value here can and cannot tell you
What's wrong with this entry?
Whether the Bash tool shows its shortened description is now worked out once and remembered for the life of the process, so it cannot change shape mid-session if the underlying value moves. The gate itself is unchanged: tengu_thrifty_sonic, off by default, overridable with the CLAUDE_CODE_THRIFTY_SONIC environment variable.
bashFirstDescriptionTrimmed
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
Related
Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.
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v2.1.221
Leaner Bash tool description behind the thrifty-sonic gate
Both mention thrifty sonic tool
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v2.1.221
Auto mode bash-first prompt variant
Both mention thrifty sonic
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v2.1.221
Auto mode can be told to do its work through Bash ("thrifty sonic")
Both mention thrifty sonic