init: me-api 个人简历后台

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

api/lib/env.ts

@@ -0,0 +1,17 @@
+import "dotenv/config";
+
+function required(name: string): string {
+  const value = process.env[name];
+  if (!value && process.env.NODE_ENV === "production") {
+    throw new Error(`Missing required environment variable: ${name}`);
+  }
+  return value ?? "";
+}
+
+export const env = {
+  jwtSecret: required("JWT_SECRET"),
+  isProduction: process.env.NODE_ENV === "production",
+  databaseUrl: required("DATABASE_URL"),
+  adminUsername: required("ADMIN_USERNAME"),
+  adminPassword: required("ADMIN_PASSWORD"),
+};