fix: load .env in standalone tsx scripts

scripts/load-env.ts

@@ -0,0 +1,19 @@
+import { existsSync } from "node:fs";
+import { dirname, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const ROOT = resolve(__dirname, "..");
+
+// Standalone scripts (tsx) don't auto-load .env like Next.js does, so the
+// deploy step symlinks ${LIVE}/.env into the stage but nothing ever read it.
+// Node's loadEnvFile() never overrides already-set variables, so real shell
+// env wins; we load .env.local first so it takes precedence over .env.
+function loadEnvFile(): void {
+	for (const name of [".env.local", ".env"]) {
+		const file = resolve(ROOT, name);
+		if (existsSync(file)) process.loadEnvFile(file);
+	}
+}
+
+loadEnvFile();