Under the hood
Useful2 Signal2
More environment variables are read through typed declarations; the tool concurrency cap still defaults to ten.
What's wrong with this entry?
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CLAUDE_CODE_MAX_TOOL_USE_CONCURRENCY
What
Several hand-written environment variable readers were replaced by typed accessors. CLAUDE_CODE_MAX_TOOL_USE_CONCURRENCY still defaults to 10 and is now declared with a minimum of 1, so a non-positive value falls back to the default as before.
Details
- The project UUID reader no longer trims its own value, and the Datadog flush interval reader no longer parses the raw string.
- A messaging token string variable was added to the same registry module, next to the existing messaging socket variable.
Evidence
CLAUDE_CODE_MAX_TOOL_USE_CONCURRENCY
Strings lifted out of the shipped bundle, so the claim above can be checked against them.