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When a server mutation (e.g., model discovery refresh) changes data that feeds multiple cached selectors/queries, use RTK Query tag invalidation to refresh all dependent caches—especially indirect ones.

Guideline

• Invalidate every cache tag type that can become stale due to the mutation (not just the primary entity).
• If the mutation response can’t be cleanly mapped into the existing cached query shape(s), prefer invalidation over patching to avoid subtle shape-mismatch bugs.
• Invalidate provider-scoped entries as well, so list/detail views (and any key/model pickers) update consistently.

Example (pattern)

const refreshProviderModels = builder.mutation<ModelProviderKey[], string>({
  query: (provider) => ({
    url: `/providers/${encodeURIComponent(provider)}/refresh-models`,
    method: 'POST',
  }),
  invalidatesTags: [
    'Models',
    'DBKeys',
    { type: 'Providers' as const, id: provider },
  ],
});

Application checklist

• Identify what the refresh rewrites on the backend (e.g., per-key models) and which UI components depend on it.
• Add corresponding tag types to invalidatesTags for those dependencies.
• Avoid complex updateQueryData/patching unless the response can be mapped losslessly to the cached query’s existing item shape.

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