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/ports.ts

@@ -0,0 +1,21 @@
+import { Router, Request, Response, NextFunction } from 'express';
+import * as portService from '../services/portService';
+import { ok } from '../types/index';
+import type { VlanMode } from '../lib/constants';
+
+export const portsRouter = Router();
+
+portsRouter.put('/:id', async (req: Request, res: Response, next: NextFunction) => {
+  try {
+    const { label, mode, nativeVlan, notes, vlans } = req.body as {
+      label?: string;
+      mode?: VlanMode;
+      nativeVlan?: number | null;
+      notes?: string;
+      vlans?: Array<{ vlanId: string; tagged: boolean }>;
+    };
+    res.json(ok(await portService.updatePort(req.params.id, { label, mode, nativeVlan, notes, vlans })));
+  } catch (e) {
+    next(e);
+  }
+});