feat: build Settings screen with device info and manual relay override

firmware/components/diagnostics.yaml

@@ -0,0 +1,25 @@
+text_sensor:
+  - platform: wifi_info
+    ip_address:
+      name: "IP Address"
+      id: wifi_ip_text
+      on_value:
+        then:
+          - lvgl.label.update:
+              id: settings_ip_label
+              text:
+                format: "IP: %s"
+                args: ["x.c_str()"]
+
+sensor:
+  - platform: uptime
+    name: "Uptime"
+    id: uptime_sensor
+    update_interval: 60s
+    on_value:
+      then:
+        - lvgl.label.update:
+            id: settings_uptime_label
+            text:
+              format: "Uptime: %.0f min"
+              args: ["x / 60.0f"]

firmware/components/display.yaml

@@ -135,7 +135,65 @@ lvgl:
                   text: "Pressure: -- hPa"
                   text_font: montserrat_28
     - id: page_settings
-      widgets: []
+      widgets:
+        - obj:
+            width: 100%
+            height: 510px
+            pad_all: 16
+            border_width: 0
+            outline_width: 0
+            scrollable: false
+            layout:
+              type: flex
+              flex_flow: column
+              flex_align_cross: center
+              flex_align_track: start
+              flex_align_main: start
+            widgets:
+              - label:
+                  id: settings_ip_label
+                  text: "IP: --"
+                  text_font: montserrat_20
+              - label:
+                  id: settings_uptime_label
+                  text: "Uptime: -- min"
+                  text_font: montserrat_20
+              - label:
+                  text: "Manual relay override (bypasses thermostat):"
+                  text_font: montserrat_16
+              - obj:
+                  width: 100%
+                  height: size_content
+                  border_width: 0
+                  outline_width: 0
+                  scrollable: false
+                  layout:
+                    type: flex
+                    flex_flow: row_wrap
+                    flex_align_cross: start
+                    flex_align_track: start
+                    flex_align_main: start
+                  widgets:
+                    - checkbox:
+                        text: "Fan"
+                        on_click:
+                          switch.toggle: relay_fan
+                    - checkbox:
+                        text: "Cool 1"
+                        on_click:
+                          switch.toggle: relay_cool1
+                    - checkbox:
+                        text: "Cool 2"
+                        on_click:
+                          switch.toggle: relay_cool2
+                    - checkbox:
+                        text: "Heat 1"
+                        on_click:
+                          switch.toggle: relay_heat1
+                    - checkbox:
+                        text: "Heat 2"
+                        on_click:
+                          switch.toggle: relay_heat2
     - id: page_schedule
       widgets: []
   top_layer:

firmware/waveshare-thermostat.yaml

@@ -48,3 +48,4 @@ packages:
   sensors: !include components/sensors.yaml
   relays: !include components/relays.yaml
   climate: !include components/climate.yaml
+  diagnostics: !include components/diagnostics.yaml