merge: combine all features from both codebases - mobile dashboard + layer panel + notifications + shares + all fixes

backend/src/routes/layers.ts

@@ -3,25 +3,45 @@
  */
 import type { FastifyInstance } from 'fastify';
 import type { DatabaseInterface, DBLayer } from '../database/DatabaseInterface.js';
+import { requireAuth } from '../auth/authMiddleware.js';
+import type { AuthService } from '../auth/AuthService.js';
+import { validateName, validateIdParam } from '../utils/validation.js';
 
-export function registerLayerRoutes(fastify: FastifyInstance, db: DatabaseInterface) {
+export function registerLayerRoutes(fastify: FastifyInstance, db: DatabaseInterface, authService: AuthService) {
   // List layers for a drawing
-  fastify.get('/api/drawings/:drawingId/layers', async (request) => {
+  fastify.get('/api/drawings/:drawingId/layers', async (request, reply) => {
+    if (!requireAuth(request, reply, authService)) return;
     const { drawingId } = request.params as { drawingId: string };
+    const idErr = validateIdParam(drawingId, 'drawingId');
+    if (idErr) return reply.code(400).send({ error: idErr });
     return db.listLayers(drawingId);
   });
 
   // Create layer
   fastify.post('/api/drawings/:drawingId/layers', async (request, reply) => {
+    if (!requireAuth(request, reply, authService)) return;
     const { drawingId } = request.params as { drawingId: string };
+    const idErr = validateIdParam(drawingId, 'drawingId');
+    if (idErr) return reply.code(400).send({ error: idErr });
     const body = request.body as Partial<DBLayer>;
+    if (body.name !== undefined) {
+      const nameErr = validateName(body.name);
+      if (nameErr) return reply.code(400).send({ error: nameErr });
+    }
     return reply.code(201).send(db.createLayer({ ...body, drawing_id: drawingId }));
   });
 
   // Update layer
   fastify.patch('/api/layers/:id', async (request, reply) => {
+    if (!requireAuth(request, reply, authService)) return;
     const { id } = request.params as { id: string };
+    const idErr = validateIdParam(id, 'id');
+    if (idErr) return reply.code(400).send({ error: idErr });
     const body = request.body as Partial<DBLayer>;
+    if (body.name !== undefined) {
+      const nameErr = validateName(body.name);
+      if (nameErr) return reply.code(400).send({ error: nameErr });
+    }
     const updated = db.updateLayer(id, body);
     if (!updated) return reply.code(404).send({ error: 'Layer not found' });
     return updated;
@@ -29,7 +49,10 @@ export function registerLayerRoutes(fastify: FastifyInstance, db: DatabaseInterf
 
   // Delete layer
   fastify.delete('/api/layers/:id', async (request, reply) => {
+    if (!requireAuth(request, reply, authService)) return;
     const { id } = request.params as { id: string };
+    const idErr = validateIdParam(id, 'id');
+    if (idErr) return reply.code(400).send({ error: idErr });
     const ok = db.deleteLayer(id);
     if (!ok) return reply.code(404).send({ error: 'Layer not found' });
     return reply.code(204).send();