LearnSpace: full-stack educational whiteboard platform

Node.js/Express backend + vanilla JS frontend.
Features: real-time collaborative whiteboard (SSE), multi-page support,
LaTeX formulas, shapes/connectors, coordinate systems, number lines,
compass, zoom/pan, Catmull-Rom pencil smoothing, ruler/protractor with
rotation & resize controls, minimap navigation overlay, auto-measurements,
multi-page thumbnails sidebar, PNG export, page templates.
Student/teacher workflows: classes, assignments, library, dashboard.
Mobile responsive. SQLite (better-sqlite3).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/src/routes/parent.js

@@ -0,0 +1,26 @@
+const router = require('express').Router();
+const rateLimit = require('../middleware/rateLimit');
+const { authMiddleware, requireRole, parentAuth } = require('../middleware/auth');
+const ctrl = require('../controllers/parentController');
+
+/* ── Rate limits ───────────────────────────────────────────────────── */
+const authLimiter   = rateLimit({ windowMs: 60_000, max: 5,  message: 'Слишком много попыток, подождите минуту' });
+const parentLimiter = rateLimit({ windowMs: 60_000, max: 30, message: 'Слишком много запросов' });
+
+/* ── Public: token exchange ────────────────────────────────────────── */
+router.post('/auth', authLimiter, ctrl.exchangeToken);
+
+/* ── Student-side: manage parent links ─────────────────────────────── */
+router.get('/my-links',     authMiddleware, requireRole('student', 'free_student'), ctrl.getMyLinks);
+router.post('/links',       authMiddleware, requireRole('student', 'free_student'), ctrl.createLink);
+router.patch('/links/:id',  authMiddleware, requireRole('student', 'free_student'), ctrl.updateLink);
+router.delete('/links/:id', authMiddleware, requireRole('student', 'free_student'), ctrl.deleteLink);
+
+/* ── Parent-side: read-only dashboard (rate-limited) ───────────────── */
+router.use(parentAuth, parentLimiter);
+router.get('/dashboard',              ctrl.getDashboard);
+router.get('/history',                ctrl.getHistory);
+router.get('/notifications',          ctrl.getNotifications);
+router.patch('/notifications/:id/read', ctrl.markRead);
+
+module.exports = router;