Initial API scaffold: Elysia + Bun + Drizzle + BetterAuth + LangChain

src/lib/auth.ts

@@ -0,0 +1,30 @@
+import { betterAuth } from 'better-auth';
+import { drizzleAdapter } from 'better-auth/adapters/drizzle';
+import { db } from '../db';
+import * as schema from '../db/schema';
+
+export const auth = betterAuth({
+  database: drizzleAdapter(db, {
+    provider: 'pg',
+    schema: {
+      user: schema.users,
+      session: schema.sessions,
+      account: schema.accounts,
+      verification: schema.verifications,
+    },
+  }),
+  emailAndPassword: {
+    enabled: true,
+    requireEmailVerification: false, // Enable later for production
+  },
+  session: {
+    expiresIn: 60 * 60 * 24 * 7, // 7 days
+    updateAge: 60 * 60 * 24, // Update session every day
+  },
+  trustedOrigins: [
+    process.env.APP_URL || 'http://localhost:3000',
+  ],
+});
+
+export type Session = typeof auth.$Infer.Session;
+export type User = typeof auth.$Infer.Session.user;