Initial MVP: multiplexer + chat DB

src/llm/providers.ts

@@ -0,0 +1,19 @@
+import OpenAI from "openai";
+import Anthropic from "@anthropic-ai/sdk";
+import { env } from "../env.js";
+
+export function openaiClient() {
+  if (!env.OPENAI_API_KEY) throw new Error("OPENAI_API_KEY not set");
+  return new OpenAI({ apiKey: env.OPENAI_API_KEY });
+}
+
+// xAI (Grok) is OpenAI-compatible at https://api.x.ai/v1
+export function xaiClient() {
+  if (!env.XAI_API_KEY) throw new Error("XAI_API_KEY not set");
+  return new OpenAI({ apiKey: env.XAI_API_KEY, baseURL: "https://api.x.ai/v1" });
+}
+
+export function anthropicClient() {
+  if (!env.ANTHROPIC_API_KEY) throw new Error("ANTHROPIC_API_KEY not set");
+  return new Anthropic({ apiKey: env.ANTHROPIC_API_KEY });
+}