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feat: add API key caching via settings.json (#16)

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Co-authored-by: Letta <noreply@letta.com>
This commit is contained in:
Charles Packer
2025-10-27 23:41:34 -07:00
committed by GitHub
parent fdfc94d9db
commit 50c249e36d
8 changed files with 46 additions and 13 deletions
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34
src/agent/client.ts
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@@ -1,13 +1,41 @@
import { LettaClient } from "@letta-ai/letta-client";
import { loadSettings, updateSettings } from "../settings";
export function getClient() {
const token = process.env.LETTA_API_KEY;
export async function getClient() {
const settings = await loadSettings();
const token = process.env.LETTA_API_KEY || settings.env?.LETTA_API_KEY;
if (!token) {
console.error("Missing LETTA_API_KEY");
console.error(
"Set it via environment variable or add it to ~/.letta/settings.json:",
);
console.error(' { "env": { "LETTA_API_KEY": "sk-let-..." } }');
process.exit(1);
}
const baseUrl = process.env.LETTA_BASE_URL || "https://api.letta.com";
const baseUrl =
process.env.LETTA_BASE_URL ||
settings.env?.LETTA_BASE_URL ||
"https://api.letta.com";
// Auto-cache: if env vars are set but not in settings, write them to settings
let needsUpdate = false;
const updatedEnv = { ...settings.env };
if (process.env.LETTA_API_KEY && !settings.env?.LETTA_API_KEY) {
updatedEnv.LETTA_API_KEY = process.env.LETTA_API_KEY;
needsUpdate = true;
}
if (process.env.LETTA_BASE_URL && !settings.env?.LETTA_BASE_URL) {
updatedEnv.LETTA_BASE_URL = process.env.LETTA_BASE_URL;
needsUpdate = true;
}
if (needsUpdate) {
await updateSettings({ env: updatedEnv });
}
return new LettaClient({ token, baseUrl });
}