Fix a subtle bug: modelDefault doesn’t apply when provider === "auto" (#2576)

* Fix a subtle bug: `modelDefault` doesn’t apply when provider === "auto"

1.Fix bugs when provider === "auto" which can lead model end up get ""

2. Fix to only include remote if you actually have any remote fields. (Is this intentional?)

* Refactor memory-search.ts to simplify remote checks

Remove redundant hasRemote variable and simplify includeRemote condition.

* oxfmt-friendly version

oxfmt-friendly version

* fix: local updates for PR #2576

Co-authored-by: papago2355 <papago2355@users.noreply.github.com>

* fix: memory search auto defaults (#2576) (thanks @papago2355)

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Co-authored-by: Gustavo Madeira Santana <gumadeiras@gmail.com>
Co-authored-by: papago2355 <papago2355@users.noreply.github.com>

CHANGELOG.md

@@ -61,6 +61,7 @@ Status: unreleased.
 - **BREAKING:** Gateway auth mode "none" is removed; gateway now requires token/password (Tailscale Serve identity still allowed).
 
 ### Fixes
+- Memory Search: keep auto provider model defaults and only include remote when configured. (#2576) Thanks @papago2355.
 - macOS: auto-scroll to bottom when sending a new message while scrolled up. (#2471) Thanks @kennyklee.
 - Gateway: suppress AbortError and transient network errors in unhandled rejections. (#2451) Thanks @Glucksberg.
 - TTS: keep /tts status replies on text-only commands and avoid duplicate block-stream audio. (#2451) Thanks @Glucksberg.