Initial scaffold: full-stack RackMapper application

Complete project scaffold with working auth, REST API, Prisma/SQLite
schema, Docker config, and React frontend for both Rack Planner and
Service Mapper modules. Both server and client pass TypeScript strict
mode with zero errors. Initial migration applied.

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

server/routes/vlans.ts

@@ -0,0 +1,49 @@
+import { Router, Request, Response, NextFunction } from 'express';
+import * as vlanService from '../services/vlanService';
+import { ok } from '../types/index';
+
+export const vlansRouter = Router();
+
+vlansRouter.get('/', async (_req: Request, res: Response, next: NextFunction) => {
+  try {
+    res.json(ok(await vlanService.listVlans()));
+  } catch (e) {
+    next(e);
+  }
+});
+
+vlansRouter.post('/', async (req: Request, res: Response, next: NextFunction) => {
+  try {
+    const { vlanId, name, description, color } = req.body as {
+      vlanId: number;
+      name: string;
+      description?: string;
+      color?: string;
+    };
+    res.status(201).json(ok(await vlanService.createVlan({ vlanId, name, description, color })));
+  } catch (e) {
+    next(e);
+  }
+});
+
+vlansRouter.put('/:id', async (req: Request, res: Response, next: NextFunction) => {
+  try {
+    const { name, description, color } = req.body as {
+      name?: string;
+      description?: string;
+      color?: string;
+    };
+    res.json(ok(await vlanService.updateVlan(req.params.id, { name, description, color })));
+  } catch (e) {
+    next(e);
+  }
+});
+
+vlansRouter.delete('/:id', async (req: Request, res: Response, next: NextFunction) => {
+  try {
+    await vlanService.deleteVlan(req.params.id);
+    res.json(ok(null));
+  } catch (e) {
+    next(e);
+  }
+});