Under the hood
Useful1 Signal0
The list of flags that block forking is defined once and reused; the wording is unchanged.
What's wrong with this entry?
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What
The list of restrictive launch flags is now a single exported string reused by both the "Can't fork:" message and the gateway restart-blocked list. The wording is unchanged.
Evidence
a custom system prompt, a tool allowlist, or restricted settings
Strings lifted out of the shipped bundle, so the claim above can be checked against them.