Show System Backup type in logs page

Add [TYPE:SYSBACKUP] marker to sysbackup log output. The logs page
detects this in the first 5 lines and displays "System" badge instead
of "Backup".

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bin/gniza

@@ -1373,6 +1373,7 @@ cmd_sysbackup() {
     load_config "$config_file"
     validate_config || die "Invalid configuration"
     init_logging
+    log_info "[TYPE:SYSBACKUP] System backup started"
 
     local dry_run=false
     has_flag dry-run "$@" && dry_run=true

whm/gniza-whm/logs.cgi

@@ -61,7 +61,7 @@ sub show_list {
                 name   => $entry,
                 size   => $stat[7] // 0,
                 mtime  => $stat[9] // 0,
-                type   => ($entry =~ /^cron-/) ? 'Cron' : 'Backup',
+                type   => ($entry =~ /^cron-/) ? 'Cron' : _detect_log_type($path),
                 status => $status,
             };
         }
@@ -96,7 +96,9 @@ sub show_list {
 
     for my $f (@page_files) {
         my $esc_name = GnizaWHM::UI::esc($f->{name});
-        my $badge    = $f->{type} eq 'Cron' ? 'badge-neutral' : 'badge-info';
+        my $badge    = $f->{type} eq 'Cron'   ? 'badge-neutral'
+                     : $f->{type} eq 'System' ? 'badge-warning'
+                     :                          'badge-info';
         my $date     = _format_time($f->{mtime});
         my $size     = _human_size($f->{size});
         my $href     = 'logs.cgi?file=' . _uri_escape($f->{name});
@@ -321,6 +323,21 @@ sub _valid_log_filename {
     return 0;
 }
 
+sub _detect_log_type {
+    my ($path) = @_;
+    if (open my $fh, '<', $path) {
+        while (my $line = <$fh>) {
+            if ($line =~ /\[TYPE:SYSBACKUP\]/) {
+                close $fh;
+                return 'System';
+            }
+            last if $. > 5;
+        }
+        close $fh;
+    }
+    return 'Backup';
+}
+
 sub _detect_log_status {
     my ($path) = @_;
     return 'Success' unless -f $path;