4b366926d4
Extract normalizeModel() (3 identical copies) and normalizeModelID() (2 identical copies) into canonical src/shared/model-normalization.ts. Delete dead-end duplicate model-name-matcher.ts. Update all consumers.
72 lines
1.9 KiB
TypeScript
72 lines
1.9 KiB
TypeScript
import type { FallbackEntry } from "./model-requirements"
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import { normalizeModel } from "./model-normalization"
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import { resolveModelPipeline } from "./model-resolution-pipeline"
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export type ModelResolutionInput = {
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userModel?: string
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inheritedModel?: string
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systemDefault?: string
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}
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export type ModelSource =
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| "override"
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| "category-default"
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| "provider-fallback"
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| "system-default"
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export type ModelResolutionResult = {
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model: string
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source: ModelSource
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variant?: string
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}
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export type ExtendedModelResolutionInput = {
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uiSelectedModel?: string
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userModel?: string
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userFallbackModels?: string[]
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categoryDefaultModel?: string
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fallbackChain?: FallbackEntry[]
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availableModels: Set<string>
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systemDefaultModel?: string
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}
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export function resolveModel(input: ModelResolutionInput): string | undefined {
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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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export function resolveModelWithFallback(
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input: ExtendedModelResolutionInput,
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): ModelResolutionResult | undefined {
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const { uiSelectedModel, userModel, userFallbackModels, categoryDefaultModel, fallbackChain, availableModels, systemDefaultModel } = input
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const resolved = resolveModelPipeline({
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intent: { uiSelectedModel, userModel, userFallbackModels, categoryDefaultModel },
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constraints: { availableModels },
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policy: { fallbackChain, systemDefaultModel },
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})
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if (!resolved) {
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return undefined
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}
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return {
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model: resolved.model,
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source: resolved.provenance,
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variant: resolved.variant,
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}
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}
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/**
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* Normalizes fallback_models config (which can be string or string[]) to string[]
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* Centralized helper to avoid duplicated normalization logic
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*/
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export function normalizeFallbackModels(models: string | string[] | undefined): string[] | undefined {
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if (!models) return undefined
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if (typeof models === "string") return [models]
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return models
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}
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