feat: support PBS hosts and remote PBS monitoring

scripts/menus/main_menu.sh

@@ -128,4 +128,8 @@ show_menu() {
     done
 }
 
+source "$LOCAL_SCRIPTS/global/platform-functions.sh"
+if pmx_is_pbs; then
+    exec bash "$LOCAL_SCRIPTS/menus/pbs_menu.sh"
+fi
 show_menu

scripts/menus/pbs_menu.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# PBS exposes compatible host tools; PVE guest/repository optimizations stay in the PVE menu.
+BASE_DIR="/usr/local/share/proxmenux"
+LOCAL_SCRIPTS="$BASE_DIR/scripts"
+source "$BASE_DIR/utils.sh"
+source "$LOCAL_SCRIPTS/global/platform-functions.sh"
+load_language
+initialize_cache
+
+if ! pmx_is_pbs; then
+    msg_error "$(translate 'This menu requires Proxmox Backup Server.')"
+    exit 1
+fi
+
+pbs_show() {
+    local output
+    output=$(mktemp)
+    if "$@" > "$output" 2>&1; then
+        dialog --backtitle "ProxMenux · PBS" --title "Proxmox Backup Server" --textbox "$output" 24 100
+    else
+        dialog --backtitle "ProxMenux · PBS" --title "$(translate 'Command failed')" --textbox "$output" 24 100
+    fi
+    rm -f "$output"
+}
+
+while true; do
+    choice=$(dialog --clear --backtitle "ProxMenux · PBS" --title "Proxmox Backup Server" \
+        --menu "$(translate 'Select an option:')" 20 80 10 \
+        status "$(translate 'PBS version and packages')" \
+        stores "$(translate 'PBS datastores')" \
+        tasks "$(translate 'Recent PBS tasks')" \
+        utilities "$(translate 'System Utilities Installer')" \
+        update "$(translate 'Update PBS using configured repositories')" \
+        settings "$(translate 'Settings')" \
+        exit "$(translate 'Exit')" 2>&1 >/dev/tty) || break
+    case "$choice" in
+        status) pbs_show proxmox-backup-manager versions --verbose --output-format json-pretty ;;
+        stores) pbs_show proxmox-backup-manager datastore list --output-format json-pretty ;;
+        tasks) pbs_show proxmox-backup-manager task list --all true --limit 20 --output-format json-pretty ;;
+        utilities) bash "$LOCAL_SCRIPTS/utilities/system_utils.sh" ;;
+        update) bash "$LOCAL_SCRIPTS/utilities/pbs_update.sh" ;;
+        settings) bash "$LOCAL_SCRIPTS/menus/config_menu.sh" ;;
+        exit) break ;;
+    esac
+done
+clear