v1.6.4: Page modem — progression reset hardware + boutons LED status PCB

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

changelog.json

@@ -1,5 +1,21 @@
 {
   "versions": [
+    {
+      "version": "1.6.4",
+      "date": "2026-04-02",
+      "changes": {
+        "features": [
+          "Page modem: boutons Activer/Desactiver LED status connexion PCB (AT+UGPIOC=16,2 / AT+UGPIOC=16,255)"
+        ],
+        "improvements": [
+          "Page modem: messages de progression en 3 etapes pendant le reset hardware (coupure, redemarrage, test connexion)",
+          "Page modem: bouton reset hardware desactive pendant l'operation pour eviter les doubles clics"
+        ],
+        "fixes": [],
+        "compatibility": []
+      },
+      "notes": "Le reset hardware affiche maintenant les etapes en temps reel (~20s). Deux nouveaux boutons permettent de controler la LED bleue du PCB qui indique l'etat de la connexion reseau du modem."
+    },
     {
       "version": "1.6.3",
       "date": "2026-04-01",