Lighting as a macropad subcommand; knobless pads start in the flat view

Running the backend module directly made runpy warn, since the package
had already imported it. The lighting commands now sit with doctor, state
and write. A pad without knobs lies flat on the desk, so it is drawn flat
unless an orientation has been chosen.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

macropad_gui/backends/itprotech.py

@@ -14,12 +14,11 @@ Three things about this firmware shape the code:
     read again and has to come back byte for byte as sent. A write that
     doesn't is reported as such, and the control is marked unknown.
 
-Run this module for the two things the GUI has no place for yet, lighting
-and colour:
+Lighting and colour have no place in the GUI yet; they are a subcommand:
 
-    python3 -m macropad_gui.backends.itprotech show
-    python3 -m macropad_gui.backends.itprotech rgb "press: blue"
-    python3 -m macropad_gui.backends.itprotech colour ff8800
+    macropad lighting show
+    macropad lighting rgb "press: blue"
+    macropad lighting colour ff8800
 """
 
 import errno
@@ -195,60 +194,3 @@ class Itprotech(Backend):
                               model=f"ITPROTECH {model}")
 
 
-# -------------------------------------------------------------------- cli
-
-def _main(argv):
-    import sys
-    from .. import core
-
-    def usage():
-        print(__doc__.split("Run this module")[1].strip("\n"))
-        return 2
-
-    if not argv or argv[0] not in ("show", "rgb", "colour", "color"):
-        return usage()
-    d = core.diagnose(keyd=False)
-    if not d.device or d.device.vid != wire.VID:
-        print("No ITPROTECH pad found." if not d.device else d.headline)
-        return 1
-    backend = Itprotech()
-    dev = d.device
-    if argv[0] == "show":
-        dump = backend._dump(dev)
-        for index, report in sorted(dump["keys"].items()):
-            got = wire.decode(report)
-            label = got[1].label() if got and got[1] else "(not decodable)"
-            print(f"  key{index:<3} {report[:8].hex(' ')}  {label}")
-        mode = dump["rgb"]
-        name = wire.RGB_MODES[mode] if mode is not None and mode < len(wire.RGB_MODES) else "?"
-        print(f"  lighting: {mode} ({name}), colour "
-              f"{'#%02x%02x%02x' % dump['colour'] if dump['colour'] else '?'}")
-        return 0
-    if not d.ready:
-        print(d.headline)
-        return 1
-    if argv[0] == "rgb":
-        if len(argv) < 2:
-            return usage()
-        want = argv[1].lower()
-        mode = int(want) if want.isdigit() else (
-            wire.RGB_MODES.index(want) if want in wire.RGB_MODES else None)
-        if mode is None:
-            print("Modes: " + ", ".join(f"{i} {m}" for i, m in enumerate(wire.RGB_MODES)))
-            return 1
-        backend.set_lighting(dev, mode)
-        print(f"Lighting set to {mode} ({wire.RGB_MODES[mode]}).")
-        return 0
-    hexcol = argv[1].lstrip("#") if len(argv) > 1 else ""
-    if len(hexcol) != 6:
-        print("Give the colour as RRGGBB, e.g. ff8800")
-        return 1
-    rgb = tuple(int(hexcol[i:i + 2], 16) for i in (0, 2, 4))
-    backend.set_lighting(dev, wire.RGB_CUSTOM, rgb)
-    print(f"Custom colour #{hexcol} set, lighting mode {wire.RGB_CUSTOM}.")
-    return 0
-
-
-if __name__ == "__main__":
-    import sys
-    sys.exit(_main(sys.argv[1:]))