From bfdf0a4f78ab050bcf850bdcd610cf336cd9285f Mon Sep 17 00:00:00 2001
From: Dexif <evgeniy@spitsyn.net>
Date: Mon, 23 Feb 2026 21:00:16 +0200
Subject: [PATCH] feat: set WiFi hostname to CrossPoint-Reader-XXXXXXXXXXXX
 (#1107)

## Summary

Replace the default esp32-XXXXXXXXXXXX hostname with
CrossPoint-Reader-AABBCCDDEEFF (full MAC address) so the device is
easily identifiable on the router's client list.
---
 src/activities/network/WifiSelectionActivity.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/activities/network/WifiSelectionActivity.cpp b/src/activities/network/WifiSelectionActivity.cpp
index 03c5689b..43a7292a 100644
--- a/src/activities/network/WifiSelectionActivity.cpp
+++ b/src/activities/network/WifiSelectionActivity.cpp
@@ -219,6 +219,12 @@ void WifiSelectionActivity::attemptConnection() {
 
   WiFi.mode(WIFI_STA);
 
+  // Set hostname so routers show "CrossPoint-Reader-AABBCCDDEEFF" instead of "esp32-XXXXXXXXXXXX"
+  String mac = WiFi.macAddress();
+  mac.replace(":", "");
+  String hostname = "CrossPoint-Reader-" + mac;
+  WiFi.setHostname(hostname.c_str());
+
   if (selectedRequiresPassword && !enteredPassword.empty()) {
     WiFi.begin(selectedSSID.c_str(), enteredPassword.c_str());
   } else {