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

mcu-kitchen.yaml

@@ -1,10 +1,12 @@
 substitutions:
   device: kitchen
   name: Kitchen
-  comment: "Kitchen: Kitchen Worktop and Stove Lights"
-  
+  area: Living Room / Kitchen
+  comment: "${area} | Kitchen Worktop and Stove Lights"
+
 esphome:
   name: mcu-${device}
+  area: ${area}
   comment: ${comment}
   on_boot:
     # - priority: 600.0
@@ -29,8 +31,8 @@ esp32:
   board: m5stack-atom
   framework:
     type: esp-idf
-    # version: 5.1.2
-    # platform_version: 6.6.0
+    version: 5.3.1
+    platform_version: 6.9.0
 
 packages:
   common: !include common/common.yaml