Add container summary on card face, fix df parsing for wrapped lines, collect OS info, faster startup and refresh

app/gather_info.sh

@@ -186,13 +186,18 @@ gather_container_stats() {
         echo "mem_percent=$mem_pct"
     fi
 
-    # Disk (rootfs)
+    # Disk (rootfs) - merge wrapped lines, find the / mount
     local disk_info
-    disk_info=$($exec_cmd df -B1 / 2>/dev/null | tail -1)
+    disk_info=$($exec_cmd df -B1 / 2>/dev/null | awk 'NR>1{line=line $0" "} END{print line}')
     if [ -n "$disk_info" ]; then
-        echo "disk_total=$(echo "$disk_info" | awk '{print $2}')"
-        echo "disk_used=$(echo "$disk_info" | awk '{print $3}')"
-        echo "disk_percent=$(echo "$disk_info" | awk '{gsub(/%/,""); print $5}')"
+        # Extract numbers - find the fields: total used avail percent
+        local d_total d_used d_pct
+        d_total=$(echo "$disk_info" | awk '{for(i=1;i<=NF;i++) if($i+0>0 && $i !~ /%/){print $i; exit}}')
+        d_used=$(echo "$disk_info" | awk '{for(i=1;i<=NF;i++) if($i+0>0 && $i !~ /%/){n++; if(n==2){print $i; exit}}}')
+        d_pct=$(echo "$disk_info" | grep -oE '[0-9]+%' | head -1 | tr -d '%')
+        [ -n "$d_total" ] && echo "disk_total=$d_total"
+        [ -n "$d_used" ] && echo "disk_used=$d_used"
+        [ -n "$d_pct" ] && echo "disk_percent=$d_pct"
     fi
 
     # IP
@@ -200,6 +205,11 @@ gather_container_stats() {
     ip=$($exec_cmd hostname -I 2>/dev/null | awk '{print $1}')
     [ -n "$ip" ] && echo "ip=$ip"
 
+    # OS
+    local os_pretty
+    os_pretty=$($exec_cmd cat /etc/os-release 2>/dev/null | grep PRETTY_NAME | cut -d= -f2 | tr -d '"')
+    [ -n "$os_pretty" ] && echo "os=$os_pretty"
+
     # Uptime
     local uptime_s
     uptime_s=$($exec_cmd cut -d' ' -f1 /proc/uptime 2>/dev/null | cut -d. -f1)
@@ -217,8 +227,11 @@ _sudo() {
 
 # Proxmox LXC (pct)
 if command -v pct &>/dev/null; then
-    _sudo pct list 2>/dev/null | tail -n +2 | while read -r vmid status _ name _; do
-        [ -z "$vmid" ] && continue
+    _sudo pct list 2>/dev/null | tail -n +2 | while read -r line; do
+        [ -z "$line" ] && continue
+        vmid=$(echo "$line" | awk '{print $1}')
+        status=$(echo "$line" | awk '{print $2}')
+        name=$(echo "$line" | awk '{print $NF}')
         echo "[container:pct-${vmid}]"
         echo "type=lxc"
         echo "platform=proxmox"