Version v0.2.48 - fixed checksum display to show exactly 8 characters with proper prefix highlighting

otp.c

@@ -2957,9 +2957,13 @@ int handle_pads_menu(void) {
         get_directory_display(full_path, dir_display, sizeof(dir_display));
         
         // Display first 8 characters of checksum with prefix underlined
-        printf("\033[4m%.*s\033[0m%-*s %-12s %-12s %-12s %.1f%%\n",
-               prefix_lengths[i], pads[i].chksum,  // Underlined prefix
-               8 - prefix_lengths[i], pads[i].chksum + prefix_lengths[i], // Rest of 8-char checksum
+        char checksum_8char[9];
+        strncpy(checksum_8char, pads[i].chksum, 8);
+        checksum_8char[8] = '\0';
+        
+        printf("\033[4m%.*s\033[0m%s %-12s %-12s %-12s %.1f%%\n",
+               prefix_lengths[i], checksum_8char,  // Underlined prefix
+               checksum_8char + prefix_lengths[i], // Rest of 8-char checksum
                dir_display,
                pads[i].size_str,
                pads[i].used_str,