Store loading picked the backend and the loader's process slot in one
function, which let an explicit `backend` argument collide with the
store's own config and made traces report a fixed "local-store".
This changes /stores/* behaviour for every store:
- An explicit `backend` that differs from the one named in the store's
model config now gets its own loader slot, `<store>@<backend>`, so it
no longer reuses (or evicts) the process of the configured backend.
Naming the configured backend, or one of its aliases, keeps the
store's own slot.
- When the config names a different backend than the explicit one, the
config's `options` are not passed on, since they are meant for the
configured backend. A config without `backend:` still passes its
options to the explicit backend.
- Backend names are compared and reported in canonical form (aliases
resolved, lower case) through the new model.CanonicalBackend, and
traces record the backend that was actually used instead of always
"local-store".
Backend loading itself uses CanonicalBackend for alias handling; type
aliases keep their existing effect.
Signed-off-by: Anush008 <mail@anush.sh>
Assisted-by: Claude Code:claude-sonnet-5-5
Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
Anush008
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