};

}

function resolveFallbackSelectionOrigin(params: { entry: SessionEntry; run: FollowupRun["run"] }): {

provider: string;

model: string;

} {

if (params.entry.modelOverrideSource === "auto") {

const persistedOriginProvider = normalizeOptionalString(

params.entry.modelOverrideFallbackOriginProvider,

);

const persistedOriginModel = normalizeOptionalString(

params.entry.modelOverrideFallbackOriginModel,

);

if (persistedOriginProvider && persistedOriginModel) {

return { provider: persistedOriginProvider, model: persistedOriginModel };

}

}

return { provider: params.run.provider, model: params.run.model };

}

export function applyFallbackCandidateSelectionToEntry(params: {

entry: SessionEntry;

run: FollowupRun["run"];

return { updated: false };

}

const scopedAuthProfile = resolveRunAuthProfile(params.run, params.provider);

const origin = resolveFallbackSelectionOrigin({ entry: params.entry, run: params.run });

const nextState = buildFallbackSelectionState({

provider: params.provider,

model: params.model,

originProvider: params.run.provider,

originModel: params.run.model,

originProvider: origin.provider,

originModel: origin.model,

authProfileId: scopedAuthProfile.authProfileId,

authProfileIdSource: scopedAuthProfile.authProfileIdSource,

});