36 lines
1010 B
TypeScript
36 lines
1010 B
TypeScript
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/**
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* Input for model resolution.
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* All model strings are optional except systemDefault which is the terminal fallback.
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*/
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export type ModelResolutionInput = {
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/** Model from user category config */
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userModel?: string;
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/** Model inherited from parent task/session */
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inheritedModel?: string;
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/** System default model from OpenCode config - always required */
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systemDefault: string;
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};
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/**
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* Normalizes a model string.
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* Trims whitespace and treats empty/whitespace-only as undefined.
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*/
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function normalizeModel(model?: string): string | undefined {
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const trimmed = model?.trim();
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return trimmed || undefined;
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}
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/**
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* Resolves the effective model using priority chain:
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* userModel → inheritedModel → systemDefault
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*
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* Empty strings and whitespace-only strings are treated as unset.
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*/
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export function resolveModel(input: ModelResolutionInput): string {
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return (
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normalizeModel(input.userModel) ??
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normalizeModel(input.inheritedModel) ??
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input.systemDefault
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);
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}
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