tengu_init
A Claude Code feature flag, read out of the shipped bundle. No mined inventory carries it: everything below comes from what this site has written about it.
Startup telemetry now notes whether your project uses git, Docker, Nix, Bazel, CI configs and similar.
Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.223.
In the changelogs
6Releases whose published page names tengu_init.
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v2.1.281
Headless/SDK startup work held back until the host initializes (startupWorkGate)
Headless and SDK runs now hold some startup work until the host is ready;
CLAUDE_CODE_DISABLE_STARTUP_WORK_GATEturns this offfound in this entry's text
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v2.1.280
tengu_init telemetry bug fix: three fields were reading from an unrelated/undefined variable
Fixed a telemetry bug where three session-start fields were pulled from the wrong variable
found in this entry's text
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v2.1.269
New
extendedQuestionstelemetry field on session init, tied to a host launch optionSession-start telemetry now records whether extended questions are enabled, via a new host launch option
gate cited by this entry
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v2.1.268
Auto mode availability tracked as ongoing telemetry, not just at init
Claude Code now tracks whether auto mode's availability changes during a session, not just at startup
gate cited by this entry
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v2.1.232
Startup telemetry helper takes the host explicitly
The startup event builder is handed its host explicitly; the reported fields look unchanged.
gate cited by this entry, found in this entry's text
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v2.1.223
tengu_init now reports repository and toolchain shape
Startup telemetry now notes whether your project uses git, Docker, Nix, Bazel, CI configs and similar.
gate cited by this entry, found in this entry's text
Gate readings
0No release here has a gate table behind it for this flag. Most published releases have none at all: the readings exist only for versions the pipeline captured flag state on.
First cited
0No release's published evidence quotes this name. The ledger indexes the Evidence lines of every changelog on this site, so this says nobody here has ever quoted it; it says nothing about how old the name is.
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 feature flag does. All feature flags.