Page modem: section tests Miotiq UDP + masquer tests HTTP si SIM Miotiq

- Nouveau script SARA/sara_test_udp.py (test socket UDP vers 192.168.0.20:4242)
- Section "Tests Miotiq (UDP)" avec PSD setup, test socket, placeholder aller-retour
- Masque les tests HTTP/Send message quand send_miotiq est actif
- Endpoint launcher.php sara_test_udp

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

html/launcher.php

@@ -389,6 +389,12 @@ if ($type == "sara_psd_setup") {
     echo $output;
 }
 
+if ($type == "sara_test_udp") {
+    $command = 'sudo /usr/bin/python3 -u /var/www/nebuleair_pro_4g/SARA/sara_test_udp.py';
+    $output = shell_exec($command);
+    echo $output;
+}
+
 
 if ($type == "git_pull") {
     $command = 'sudo git pull';