Under the hood
Detecting Claude Code running inside Slack now checks a second source in addition to the environment variable
What
Claude Code already detected when it was running inside Slack by checking whether the CLAUDE_CODE_ENTRYPOINT environment variable was set to claude_in_slack or claude-in-slack. Now a second check has been added that looks at a different source for the same values.
Why
This makes the Slack detection more reliable by not depending on a single source, though the finding doesn't specify what the new source is or why the first check alone was insufficient.
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The writer flagged doubt
What the second detection source checks (referred to only as an internal function) is not specified.