Update CHANGELOG.md (#13953)

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CHANGELOG.md

@@ -445,6 +445,14 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
 </details>
 
+## 2026-04-23
+
+### 💾 Core
+
+  - #### 🐞 Bug Fixes
+
+    - core: hotfix - prefer silent mode on PHS env conflict [@MickLesk](https://github.com/MickLesk) ([#13951](https://github.com/community-scripts/ProxmoxVE/pull/13951))
+
 ## 2026-04-22
 
 ### 🆕 New Scripts

misc/build.func

@@ -3520,10 +3520,14 @@ msg_menu() {
 # ------------------------------------------------------------------------------
 resolve_phs_mode() {
   if [[ -n "${PHS_SILENT+x}" ]] && [[ "${PHS_SILENT}" == "1" ]] && [[ -n "${PHS_VERBOSE+x}" ]] && [[ "${PHS_VERBOSE}" == "1" ]]; then
-    whiptail --backtitle "Proxmox VE Helper Scripts" \
-      --title "⚠️ Configuration Conflict Warning" \
-      --msgbox "PHS_SILENT and PHS_VERBOSE environment variables are both set.\n\nFalling back to interactive mode." 10 58
-    PHS_MODE="interactive"
+    # Conflict handling must never block unattended/non-TTY updates.
+    # Prefer silent mode to keep automation safe.
+    if [[ -t 0 ]] && [[ -t 1 ]] && command -v whiptail >/dev/null 2>&1; then
+      whiptail --backtitle "Proxmox VE Helper Scripts" \
+        --title "Configuration Conflict Warning" \
+        --msgbox "PHS_SILENT and PHS_VERBOSE are both set.\n\nFalling back to silent mode." 10 58 || true
+    fi
+    PHS_MODE="silent"
   elif [[ -n "${PHS_SILENT+x}" ]] && [[ "${PHS_SILENT}" == "1" ]]; then
     PHS_MODE="silent"
   elif [[ -n "${PHS_VERBOSE+x}" ]] && [[ "${PHS_VERBOSE}" == "1" ]]; then