The engine cached archive writers and never closed them at shutdown,
so after a clean stop an archive's rows could sit in its -wal while
the .db held no table. The engine's stop hook now evicts every cached
writer once its workers have returned, the same way deleting a webhook
does, so a clean stop leaves each archive as one file and a late write
is refused. If the workers do not return within the stop budget, the
writers are left open as a kill would leave them.
The README no longer says archives keep their sidecars across a clean
stop.
Model: opus-5-5
clawbot
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