feat(logging): full Omada request/response logging and HTTP request logger

- Omada: log request body and full (untruncated) response per call
- Express: log every incoming request with method, URL, body, status
code, and response time

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

src/app.js

@@ -17,6 +17,16 @@ app.use(express.static(path.join(__dirname, '..', 'public')));
 // ── Middleware ────────────────────────────────────────────────────────────────
 app.use(cors());
 
+// Request logger
+app.use((req, res, next) => {
+  const start = Date.now();
+  res.on('finish', () => {
+    const body = req.body && Object.keys(req.body).length ? ' body=' + JSON.stringify(req.body) : '';
+    console.log(`[http] ${req.method} ${req.originalUrl}${body} → ${res.statusCode} (${Date.now() - start}ms)`);
+  });
+  next();
+});
+
 // NOTE: /api/webhooks/snippe needs raw body — mount it BEFORE json middleware
 app.use('/api/webhooks', require('./routes/webhooks.routes'));
 

src/services/omada.js

@@ -71,7 +71,7 @@ async function omadaRequest(method, path, data = null, retried = false) {
       return omadaRequest(method, path, data, true);
     }
 
-    console.log(`[omada] ${method} ${path} → errorCode=${res.data.errorCode} result=`, JSON.stringify(res.data.result ?? res.data.msg).slice(0, 300));
+    console.log(`[omada] ${method} ${path}${data ? ' body=' + JSON.stringify(data) : ''} → errorCode=${res.data.errorCode} result=${JSON.stringify(res.data.result ?? res.data.msg)}`);
 
     if (res.data.errorCode !== 0) {
       const err = new Error(res.data.msg || `Omada error ${res.data.errorCode}`);