fix

src/box.py

@@ -76,8 +76,9 @@ class Box:
                 case [ primary_key ] if primary_key == 'high_temp':
                     self.context.high_temperature = payload
                 case [ primary_key ] if primary_key == 'cmd':
-                    if payload in ('high', 'low', 'off'):
-                        self.context.mode = payload
+                    p = payload.lower()
+                    if p in ('high', 'low', 'off'):
+                        self.context.mode = p
                     else:
                         raise Exception(f"Invalid cmd '{payload}'")
                 case [ primary_key ] if primary_key == 'overwrite_window':

src/converters.py

@@ -1,3 +1,5 @@
+import json
+
 CONVERTERS = {
     "target_temperature_output": {
       "max": lambda x: x,