Files
clawdbot/src/agents/model-selection.ts
2025-12-26 02:35:40 +01:00

94 lines
2.5 KiB
TypeScript

import type { ClawdisConfig } from "../config/config.js";
import type { ModelCatalogEntry } from "./model-catalog.js";
export type ModelRef = {
provider: string;
model: string;
};
export function modelKey(provider: string, model: string) {
return `${provider}/${model}`;
}
export function parseModelRef(
raw: string,
defaultProvider: string,
): ModelRef | null {
const trimmed = raw.trim();
if (!trimmed) return null;
const slash = trimmed.indexOf("/");
if (slash === -1) {
return { provider: defaultProvider, model: trimmed };
}
const provider = trimmed.slice(0, slash).trim();
const model = trimmed.slice(slash + 1).trim();
if (!provider || !model) return null;
return { provider, model };
}
export function resolveConfiguredModelRef(params: {
cfg: ClawdisConfig;
defaultProvider: string;
defaultModel: string;
}): ModelRef {
const rawModel = params.cfg.agent?.model?.trim() || "";
if (rawModel) {
const trimmed = rawModel.trim();
if (trimmed.includes("/")) {
const parsed = parseModelRef(trimmed, params.defaultProvider);
if (parsed) return parsed;
}
// TODO(steipete): drop this fallback once provider-less agent.model is fully deprecated.
return { provider: "anthropic", model: trimmed };
}
return { provider: params.defaultProvider, model: params.defaultModel };
}
export function buildAllowedModelSet(params: {
cfg: ClawdisConfig;
catalog: ModelCatalogEntry[];
defaultProvider: string;
}): {
allowAny: boolean;
allowedCatalog: ModelCatalogEntry[];
allowedKeys: Set<string>;
} {
const rawAllowlist = params.cfg.agent?.allowedModels ?? [];
const allowAny = rawAllowlist.length === 0;
const catalogKeys = new Set(
params.catalog.map((entry) => modelKey(entry.provider, entry.id)),
);
if (allowAny) {
return {
allowAny: true,
allowedCatalog: params.catalog,
allowedKeys: catalogKeys,
};
}
const allowedKeys = new Set<string>();
for (const raw of rawAllowlist) {
const parsed = parseModelRef(String(raw), params.defaultProvider);
if (!parsed) continue;
const key = modelKey(parsed.provider, parsed.model);
if (catalogKeys.has(key)) {
allowedKeys.add(key);
}
}
const allowedCatalog = params.catalog.filter((entry) =>
allowedKeys.has(modelKey(entry.provider, entry.id)),
);
if (allowedCatalog.length === 0) {
return {
allowAny: true,
allowedCatalog: params.catalog,
allowedKeys: catalogKeys,
};
}
return { allowAny: false, allowedCatalog, allowedKeys };
}