The command fragment named the full command line, so a session spawned
with `claude --dangerously-skip-permissions` spent the whole line on a
flag. Cards now name the program only — its icon in the web client, its
bare name in the TUI — and keep the full command line in the tooltip.
Adds `maestro_protocol::display::command_program`, the Rust counterpart
of the web's `splitCommand`.
Line 2 of a session card spelled out its blocked work ("1 uncommitted
file") and its command ("claude"). Both now render as marks: the
breakdown as diff notation, and the command's leading program as its
tool's icon in the web client.
The probe carries the line delta of the tracked changes — staged and
unstaged together, against HEAD — so `git add` never makes the counter
drop. Untracked files stay a file count; counting their lines means
reading every one off disk. A tracked change with no line delta falls
back to `~N` rather than claiming `+0 -0`.
The TUI keeps its command as text: a terminal cannot be assumed to have
a font carrying tool glyphs.
Miguel Palhas