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fix(core): always use preset baseUrl/api in resolveServiceModel

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pi-ai's built-in model objects may have different baseUrl (e.g. international
endpoint) or api format (e.g. anthropic-messages) than our configured presets.
Always construct our own model object using preset values, only inheriting
metadata (reasoning, cost, contextWindow) from pi-ai.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
fanghanjun
2026-04-15 04:00:38 -07:00
parent a2e24b74f1
commit 5cada30289
1 changed files with 28 additions and 25 deletions
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packages/core/src/llm/service-resolver.ts
+28 -25
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@@ -31,33 +31,36 @@ export async function resolveServiceModel(
const preset = resolveServicePreset(baseService);
const piProvider = SERVICE_TO_PI_PROVIDER[baseService] ?? "openai";
// Get pi-ai Model — may return undefined for model IDs not in the built-in registry
let model = getModel(piProvider as any, modelId as any) as Model<Api> | undefined;
// Resolve baseUrl: prefer custom/configured URL, then preset, then pi-ai's built-in
const apiType = service.startsWith("custom:")
? (customApiFormat === "responses" ? "openai-responses" : "openai-completions")
: (preset?.api ?? "openai-completions");
const baseUrl = customBaseUrl ?? preset?.baseUrl ?? "";
if (!model) {
// Construct a Model object from service preset for models not in pi-ai's registry
const apiType = service.startsWith("custom:")
? (customApiFormat === "responses" ? "openai-responses" : "openai-completions")
: (preset?.api ?? "openai-completions");
const baseUrl = customBaseUrl ?? preset?.baseUrl ?? "";
if (!baseUrl) {
throw new Error(
`Cannot resolve model "${modelId}" for service "${service}": no baseUrl available.`,
);
}
model = {
id: modelId,
name: modelId,
api: apiType as Api,
provider: piProvider,
baseUrl,
reasoning: false,
input: ["text"] as ("text" | "image")[],
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
contextWindow: 0,
maxTokens: 16384,
};
// Get pi-ai Model — may return undefined for model IDs not in the built-in registry
const piModel = getModel(piProvider as any, modelId as any) as Model<Api> | undefined;
// Always construct our own model object to ensure baseUrl and api format match our presets.
// pi-ai's built-in model may have a different baseUrl (e.g. international endpoint)
// or api format (e.g. anthropic-messages) than what we configure.
const effectiveBaseUrl = baseUrl || piModel?.baseUrl || "";
if (!effectiveBaseUrl) {
throw new Error(
`Cannot resolve model "${modelId}" for service "${service}": no baseUrl available.`,
);
}
const model: Model<Api> = {
id: modelId,
name: piModel?.name ?? modelId,
api: apiType as Api,
provider: piProvider,
baseUrl: effectiveBaseUrl,
reasoning: piModel?.reasoning ?? false,
input: piModel?.input ?? ["text"] as ("text" | "image")[],
cost: piModel?.cost ?? { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
contextWindow: piModel?.contextWindow ?? 0,
maxTokens: piModel?.maxTokens ?? 16384,
};
return {
model,