Files
feynman/src/model/service-tier.ts
2026-03-31 11:02:07 -07:00

66 lines
2.2 KiB
TypeScript

import { mkdirSync, readFileSync, writeFileSync } from "node:fs";
import { dirname } from "node:path";
export const FEYNMAN_SERVICE_TIERS = [
"auto",
"default",
"flex",
"priority",
"standard_only",
] as const;
export type FeynmanServiceTier = (typeof FEYNMAN_SERVICE_TIERS)[number];
const SERVICE_TIER_SET = new Set<string>(FEYNMAN_SERVICE_TIERS);
const OPENAI_SERVICE_TIERS = new Set<FeynmanServiceTier>(["auto", "default", "flex", "priority"]);
const ANTHROPIC_SERVICE_TIERS = new Set<FeynmanServiceTier>(["auto", "standard_only"]);
function readSettings(settingsPath: string): Record<string, unknown> {
try {
return JSON.parse(readFileSync(settingsPath, "utf8")) as Record<string, unknown>;
} catch {
return {};
}
}
export function normalizeServiceTier(value: string | undefined): FeynmanServiceTier | undefined {
if (!value) return undefined;
const normalized = value.trim().toLowerCase();
return SERVICE_TIER_SET.has(normalized) ? (normalized as FeynmanServiceTier) : undefined;
}
export function getConfiguredServiceTier(settingsPath: string): FeynmanServiceTier | undefined {
const settings = readSettings(settingsPath);
return normalizeServiceTier(typeof settings.serviceTier === "string" ? settings.serviceTier : undefined);
}
export function setConfiguredServiceTier(settingsPath: string, tier: FeynmanServiceTier | undefined): void {
const settings = readSettings(settingsPath);
if (tier) {
settings.serviceTier = tier;
} else {
delete settings.serviceTier;
}
mkdirSync(dirname(settingsPath), { recursive: true });
writeFileSync(settingsPath, JSON.stringify(settings, null, 2) + "\n", "utf8");
}
export function resolveActiveServiceTier(settingsPath: string): FeynmanServiceTier | undefined {
return normalizeServiceTier(process.env.FEYNMAN_SERVICE_TIER) ?? getConfiguredServiceTier(settingsPath);
}
export function resolveProviderServiceTier(
provider: string | undefined,
tier: FeynmanServiceTier | undefined,
): FeynmanServiceTier | undefined {
if (!provider || !tier) return undefined;
if ((provider === "openai" || provider === "openai-codex") && OPENAI_SERVICE_TIERS.has(tier)) {
return tier;
}
if (provider === "anthropic" && ANTHROPIC_SERVICE_TIERS.has(tier)) {
return tier;
}
return undefined;
}