Update athom-smart-plug.yaml

Update YAML to be able to compile in ESPHome 2025.7.0 via move to esp-idf from arduino and updating uptime sensor.

athom-smart-plug.yaml

@@ -83,8 +83,7 @@ esp32:
   flash_size: 4MB
   variant: ESP32C3
   framework:
-    type: arduino
-    version: recommended
+    type: esp-idf
 
 preferences:
   flash_write_interval: 5min
@@ -346,28 +345,11 @@ text_sensor:
 #    device_class: timestamp
 
   #  Creates a sensor of the uptime of the device, in formatted days, hours, minutes and seconds
-  - platform: template
+  - platform: uptime
     name: "Uptime"
     entity_category: diagnostic
-    lambda: |-
-      int seconds = (id(uptime_sensor).state);
-      int days = seconds / (24 * 3600);
-      seconds = seconds % (24 * 3600);
-      int hours = seconds / 3600;
-      seconds = seconds % 3600;
-      int minutes = seconds /  60;
-      seconds = seconds % 60;
-      if ( days > 3650 ) {
-        return { "Starting up" };
-      } else if ( days ) {
-        return { (String(days) +"d " + String(hours) +"h " + String(minutes) +"m "+ String(seconds) +"s").c_str() };
-      } else if ( hours ) {
-        return { (String(hours) +"h " + String(minutes) +"m "+ String(seconds) +"s").c_str() };
-      } else if ( minutes ) {
-        return { (String(minutes) +"m "+ String(seconds) +"s").c_str() };
-      } else {
-        return { (String(seconds) +"s").c_str() };
-      }
+    format:
+      separator: " "
     icon: mdi:clock-start
 
 time: