Under the hood
Useful2 Signal2
Your config file gets its leftover onboarding flags stripped and stops recording them.
What's wrong with this entry?
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What
The config migration that strips per-project history now also removes the onboarding seen-count and completion flags, and the function that marked onboarding complete is gone, so that state is no longer written at all.
Evidence
hasCompletedProjectOnboarding
Strings lifted out of the shipped bundle, so the claim above can be checked against them.