The first commit, the core and all files is adding to repo

scripts/setup.mjs

@@ -0,0 +1,32 @@
+import { spawn } from "node:child_process";
+import { existsSync } from "node:fs";
+import { copyFile, mkdir } from "node:fs/promises";
+import { prepareAssets } from "./assets.mjs";
+if (!existsSync(".env.local")) await copyFile(".env.example", ".env.local");
+await mkdir(".data", { recursive: true });
+await mkdir("public/generated", { recursive: true });
+await mkdir("public/downloads", { recursive: true });
+await new Promise((resolve, reject) => {
+  const p = spawn(
+    process.execPath,
+    ["node_modules/playwright/cli.js", "install", "chromium"],
+    { stdio: "inherit" },
+  );
+  p.on("exit", (code) =>
+    code === 0
+      ? resolve()
+      : reject(new Error(`Chromium installation exited ${code}`)),
+  );
+});
+await prepareAssets();
+process.loadEnvFile(".env.local");
+const configured = Boolean(
+  process.env.NEXT_PUBLIC_SUPABASE_URL &&
+    process.env.SUPABASE_SECRET_KEY &&
+    process.env.NEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEY,
+);
+console.log(
+  configured
+    ? "Supabase configuration present. Apply the checked-in migration before starting."
+    : "Supabase is not configured. Local guest sandbox is available; hosted uploads/moderation remain disabled.",
+);