DASP trace: color send/receive, decode header fields, hex+ASCII dump

Sent lines are yellow and received lines green when stdout is a console;
pipes and files stay plain. Each message lists the header fields it
carries by name and dumps header and payload separately, 16 bytes a row.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

editor.properties

@@ -5,10 +5,11 @@ add_timestamp = True
 box_width = 250
 left_pane_width = 230
 trace_dasp = True
-lazy_loading = False
+lazy_loading = True
+show_slot_numbers = False
 
 [Device]
-host = localhost
+host = 192.168.0.26
 port = 1876
 user = admin