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/tests.js

@@ -0,0 +1,19 @@
+const router = require('express').Router();
+const { authMiddleware, requireRole } = require('../middleware/auth');
+const { requireOwnership } = require('../middleware/ownership');
+const ctrl = require('../controllers/testController');
+
+const ownsTest = requireOwnership({ table: 'tests', ownerField: 'created_by' });
+
+router.use(authMiddleware);
+
+router.get('/',                          ctrl.list);
+router.post('/',                         requireRole('teacher','admin'), ctrl.create);
+router.get('/:id',                       ctrl.getOne);
+router.put('/:id',                       requireRole('teacher','admin'), ownsTest, ctrl.update);
+router.delete('/:id',                    requireRole('teacher','admin'), ownsTest, ctrl.remove);
+router.post('/:id/questions',            requireRole('teacher','admin'), ownsTest, ctrl.addQuestions);
+router.patch('/:id/questions/reorder',   requireRole('teacher','admin'), ownsTest, ctrl.reorderQuestions);
+router.delete('/:id/questions/:qid',     requireRole('teacher','admin'), ownsTest, ctrl.removeQuestion);
+
+module.exports = router;