fix(desktop): filter out stale custom models in settings panel

[dwoodwardgb]

What Changed

When rendering the SettingsPanel, filter out custom models in the liveProvider that have been deleted from providerConfig.

Why

When a custom model is deleted from a live provider, the list is stale (not 100% sure why, it might have to do with the delete not being part of an optimistic update). In any case, providerConfig is always up to date so using it as the source of truth for custom model list state fixes the issue.

Before

t3codebefore.mov

After

t3codeafter.mov

UI Changes

Checklist

• This PR is small and focused
• I explained what changed and why
• I included before/after screenshots for any UI changes
• I included a video for animation/interaction changes

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Note

Low Risk
Low risk UI-only change that filters provider model lists to avoid displaying stale custom entries; no persistence, auth, or backend behavior is modified.

Overview
Prevents deleted custom models from lingering in the Providers settings UI by filtering liveProvider.models to only include custom entries still present in providerConfig.customModels.

If no live models are available, the panel still falls back to building the model list from providerConfig.customModels as before.

^{Reviewed by Cursor Bugbot for commit 55b8617. Bugbot is set up for automated code reviews on this repo. Configure here.}

Note

Filter stale custom models from provider cards in GeneralSettingsPanel

When building providerCards, custom models from liveProvider.models are now filtered to only include models whose slug exists in providerConfig.customModels, preventing stale entries from appearing in the settings panel. The fallback that builds models directly from providerConfig.customModels is unchanged.

^{Macroscope summarized 55b8617.}

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[macroscopeapp]

Approvability

Verdict: Approved

S im ple UI fix that filters stale custom models from the settings panel display. The change is isolated to display logic with no backend or data impact.

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