Adjust defaults and preset handling

- Switch startup_preset to default key
- Add built-in on/off presets and tweak device defaults

Made-with: Cursor

src/main.py

@@ -13,10 +13,11 @@ print(settings)
 presets = Presets(settings["led_pin"], settings["num_leds"])
 presets.load()
 presets.b = settings.get("brightness", 255)
-startup_preset = settings.get("startup_preset")
-if startup_preset:
-    presets.select(startup_preset)
-    print(f"Selected startup preset: {startup_preset}")
+# Use the default preset name from settings (set via controller or defaults)
+default_preset = settings.get("default")
+if default_preset:
+    presets.select(default_preset)
+    print(f"Selected startup preset: {default_preset}")
 
 wdt = WDT(timeout=10000)
 wdt.feed()
@@ -35,6 +36,7 @@ while True:
     presets.tick()
     if e.any():
         host, msg = e.recv()
+        print(msg)
         data = json.loads(msg)
         # Only handle messages with the expected version.
         if data.get("v") != "1":
@@ -66,7 +68,7 @@ while True:
                 step = select_list[1] if len(select_list) > 1 else None
                 presets.select(preset_name, step=step)
         if "default" in data:
-            settings["startup_preset"] = data["default"]
+            settings["default"] = data["default"]
             print(f"Set startup preset to: {data['default']}")
             settings.save()
         if "save" in data: