refactor: move hendiCtrl.py's main() into scripts/hendi_ctrl_app.py

hendiCtrl.py is now import-only. The new CLI app exposes serial
port/baudrate, version/capability info, converter test, heater test,
and firmware update as separate flags, instead of one fixed script.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GpePKZiEZWbGo9HrfuML6U

components/actor/hendiCtrl.py

@@ -187,53 +187,3 @@ class HendiCtrl:
 
 	def close(self):
 		self.remoteEnable(False)
-
-
-if __name__ == '__main__':
-
-	hendi = HendiCtrl('/dev/ttyUSB0', 115200)
-
-#	hendi.firmware_update("HendiCtrl.srec")
-#	hendi.reset()
-	time.sleep(1)
-
-	hendi.getState()
-	hendi.getSoftwareIdentifier()
-	hendi.getSoftwareVersion()
-	caps = hendi.getCapabilties()
-	print("Caps: ", caps)
-	info = hendi.getInfo()
-	print("Info: ", info)
-
-	print("Test converters")
-	for pwr in range(500, 3600, 100):
-		print("pwr", pwr)
-		digits = hendi.toDigits(pwr)
-		print("digits", digits)
-		power = hendi.toWatts(digits)
-		print("power", power)
-
-	print("Test Hendi")
-	with hendi.remote_open():
-		hendi.setSwitch(1)
-		time.sleep(1.0)
-		for pwr in range(500, 3600, 100):
-			hendi.setPowerWatts(pwr)
-			pw = hendi.getPowerWatts()
-			print("power_w", pw)
-			time.sleep(1.0)
-
-		hendi.setSwitch(0)
-
-	if 0:
-		hendi.remoteEnable(True)
-		if hendi.isRemoteEnable():
-			hendi.setSwitch(True)
-			for p in range(0, 4096, 100):
-				hendi.setPowerDigits(p)
-				time.sleep(1)
-
-			hendi.setSwitch(False)
-			hendi.remoteEnable(False)
-
-	print("End of program.")