Files
clawdbot/src/agents/context.ts
2025-12-05 23:18:43 +01:00

35 lines
1.2 KiB
TypeScript

// Lazy-load pi-ai model metadata so we can infer context windows when the agent
// reports a model id. pi-coding-agent depends on @mariozechner/pi-ai, so it
// should be present whenever CLAWDIS is installed from npm.
type ModelEntry = { id: string; contextWindow?: number };
const MODEL_CACHE = new Map<string, number>();
const loadPromise = (async () => {
try {
const piAi = (await import("@mariozechner/pi-ai")) as {
getProviders: () => string[];
getModels: (provider: string) => ModelEntry[];
};
const providers = piAi.getProviders();
for (const p of providers) {
const models = piAi.getModels(p) as ModelEntry[];
for (const m of models) {
if (!m?.id) continue;
if (typeof m.contextWindow === "number" && m.contextWindow > 0) {
MODEL_CACHE.set(m.id, m.contextWindow);
}
}
}
} catch {
// If pi-ai isn't available, leave cache empty; lookup will fall back.
}
})();
export function lookupContextTokens(modelId?: string): number | undefined {
if (!modelId) return undefined;
// Best-effort: kick off loading, but don't block.
void loadPromise;
return MODEL_CACHE.get(modelId);
}