Refactor AlarmClock to remove relay functionality and add Relay class for GPIO control

src/alarm_clock.py

@@ -17,7 +17,6 @@ class AlarmClock:
     wakeup_actions: list[WakeUpAction] = []
     led_gpio: GPIO
     button_gpio: GPIO
-    relay_gpio: GPIO
     last_known_button_state: bool = False
     lcd: JHD1802
     last_button_press_time: float = 0.0
@@ -36,7 +35,6 @@ class AlarmClock:
     def __init__(self, pins: dict = {}):
         self.led_gpio = GPIO(pins.get("led", 5), GPIO.OUT)
         self.button_gpio = GPIO(pins.get("button", 6), GPIO.IN)
-        self.relay_gpio = GPIO(pins.get("relay", 16), GPIO.OUT)
         self.lcd = JHD1802()
         self.wakeup_actions = []
         self.add_wakeup_action(0, lambda: self.trigger_alarm())  # Activate alarm state
@@ -121,10 +119,6 @@ class AlarmClock:
         while True:
             self.loop()
 
-    def set_relay_state(self, state: bool):
-        """Set the relay GPIO state."""
-        self.relay_gpio.write(1 if state else 0)
-
     def loop(self):
         """Main loop iteration - handles display and button input."""
         current_button_state = not self.button_gpio.read()
@@ -185,9 +179,7 @@ class AlarmClock:
                 # Dismiss active alarm
                 self.dismiss_alarm()
             else:
-                # Normal mode: toggle relay
-                self.set_relay_state(not self.relay_gpio.read())
-                set_shelly_plug_state(SHELLY_DEVICE_ID, self.relay_gpio.read() == 0)
+                print("pressed in normal mode - no active alarm to dismiss")
         elif self.config_mode == "set_hour":
             # Increment hour
             self.alarm_time = self.alarm_time.replace(hour=(self.alarm_time.hour + 1) % 24)