first commit

Co-authored-by: Cursor <cursoragent@cursor.com>

src/middleware/auth.js

@@ -0,0 +1,22 @@
+function requireAuth(req, res, next) {
+  if (!req.session.userId) {
+    const nextUrl = encodeURIComponent(req.originalUrl);
+    return res.redirect(`/login?next=${nextUrl}`);
+  }
+  next();
+}
+
+function loadUser(req, res, next) {
+  if (req.session.userId) {
+    const { db } = require('../db');
+    const user = db
+      .prepare('SELECT id, email, name FROM users WHERE id = ?')
+      .get(req.session.userId);
+    res.locals.user = user || null;
+  } else {
+    res.locals.user = null;
+  }
+  next();
+}
+
+module.exports = { requireAuth, loadUser };