Add area, switch to idf 5.3.1, replacing climate.heating with a new setup

mcu-dimmer.yaml

@@ -1,10 +1,12 @@
 substitutions:
   device: dimmer
   name: Dimmer
-  comment: "Pain cave: Fan"
+  area: Basement
+  comment: "${area} | Pain cave fan"
 
 esphome:
   name: mcu-${device}
+  area: ${area}
   comment: ${comment}
   on_loop:
     then:
@@ -30,11 +32,9 @@ esphome:
 esp32:
   board: m5stack-atom
   framework:
-    # type: arduino
-    # version: 2.0.14
     type: esp-idf
-    # version: 5.2.1
-    # platform_version: 6.6.0
+    version: 5.3.1
+    platform_version: 6.9.0
 
 external_components:
   - source: github://pr#7072