wehub-resource-sync
52 lines
2.3 KiB
TypeScript
52 lines
2.3 KiB
TypeScript
/**
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* chatCore request-setup resolvers (Quality Gate v2 / Fase 9 — chatCore god-file decomposition).
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*
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* The first pure slice of handleChatCore's request-setup phase: the per-request model-routing
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* metadata resolved at the very top of the handler. Side-effect-free; future increments grow this
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* into the full ChatCoreContext carrier (setup / dispatch / streaming phases).
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*/
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export type ChatCoreRequestSetup = {
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/**
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* Optional custom-model wire-format marker injected by getModelInfo for providers whose models
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* can route to /chat/completions or /responses (Azure AI Foundry, OCI generic OpenAI). Not on
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* the base ModelInfo shape, so read via structural narrowing (never `as any`).
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*/
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apiFormat: string | undefined;
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/**
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* #2905: per-model wire-format override for custom models, injected by getModelInfo. Custom
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* models aren't in the static registry, so getModelTargetFormat() can't see this — used before
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* the provider default.
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*/
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customModelTargetFormat: string | undefined;
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/** The client-requested model string, falling back to the resolved model id when absent/blank. */
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requestedModel: string;
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};
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/**
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* Resolve the per-request model-routing metadata at the top of handleChatCore. Pure: a function of
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* the injected modelInfo, the request body, and the resolved model id. Behaviour is byte-identical
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* to the previous inline code.
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*/
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export function resolveChatCoreRequestSetup(
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modelInfo: unknown,
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body: { model?: unknown } | null | undefined,
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model: string
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): ChatCoreRequestSetup {
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const apiFormat: string | undefined =
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modelInfo && typeof modelInfo === "object" && "apiFormat" in modelInfo
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? typeof (modelInfo as { apiFormat?: unknown }).apiFormat === "string"
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? ((modelInfo as { apiFormat?: string }).apiFormat as string)
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: undefined
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: undefined;
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const customModelTargetFormat: string | undefined =
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modelInfo && typeof modelInfo === "object" && "targetFormat" in modelInfo
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? typeof (modelInfo as { targetFormat?: unknown }).targetFormat === "string"
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? ((modelInfo as { targetFormat?: string }).targetFormat as string)
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: undefined
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: undefined;
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const requestedModel =
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typeof body?.model === "string" && body.model.trim().length > 0 ? body.model : model;
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return { apiFormat, customModelTargetFormat, requestedModel };
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}
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