Initial commit: teaching institution management API.

Express/MongoDB backend with JWT auth, RBAC, S3 uploads, notifications, and scheduled jobs.

components/sessions/sessionValidator.js

@@ -0,0 +1,6 @@
+// Stub validator — pass-through middleware (no validation yet)
+const passThrough = (req, res, next) => next();
+
+module.exports = new Proxy({}, {
+  get: () => passThrough
+});