Under the hood
Useful2 Signal3
Plugin catalog, memory, keybindings, workflow snapshots and stats can all read through the storage backend.
What's wrong with this entry?
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What
The plugin catalog cache, user memory and settings reads, the keybindings template, remote settings save and clear, workflow run snapshots and scripts, and the stats cache all learned to use the storage backend when one is supplied, falling back to the same file paths otherwise. Failures are logged rather than thrown.
Evidence
Failed to save plugin catalog cache
Strings lifted out of the shipped bundle, so the claim above can be checked against them.