Workaround Tuya lag by using Tuya scenes

config/lovelace/home_dashboard/00_home.yaml

@@ -13,8 +13,8 @@ cards:
             cards:
               - type: custom:button-card
                 template: small
-                entity: light.all_lights
+                entity: light.ceiling_lights
-                name: All
+                name: Ceiling
               - type: custom:button-card
                 template: small
                 entity: light.living_room_main_lights
@@ -25,13 +25,13 @@ cards:
                 name: Bedroom
               - type: custom:button-card
                 template: small
-                entity: light.hallway_main_lights
+                entity: light.tuya_hallway_main_lights
                 name: Hallway
           - type: horizontal-stack
             cards:
               - type: custom:button-card
                 template: small
-                entity: light.kitchen_main_lights
+                entity: light.tuya_kitchen_main_lights
                 name: Kitchen
               - type: custom:button-card
                 template: small
@@ -42,7 +42,7 @@ cards:
                 name: Bedside
               - type: custom:button-card
                 template: small
-                entity: light.hallway_entrance_lights
+                entity: light.tuya_hallway_entrance_lights
                 name: Entrance
 
       - type: entities

config/lovelace/home_dashboard/03_kitchen.yaml

@@ -8,7 +8,7 @@ cards:
     show_header_toggle: false
     entities:
       - type: custom:fold-entity-row
-        entity: light.kitchen_main_lights
+        entity: light.tuya_kitchen_main_lights
         name: Main lights
         entities:
           - light.light_le_11

config/lovelace/home_dashboard/05_hallway.yaml

@@ -7,7 +7,9 @@ cards:
     title: Lights
     show_header_toggle: false
     entities:
-      - light.hallway_all_lights
+      - light.tuya_hallway_all_lights
+      - light.tuya_hallway_entrance_light
+      - light.tuya_hallway_main_lights
       - type: custom:fold-entity-row
         entity: light.hallway_entrance_lights
         name: Entrance lights

config/lovelace/home_dashboard/06_lights.yaml

@@ -8,6 +8,8 @@ cards:
     title: Living room
     icon: mdi:sofa
     entities:
+      - light.tuya_living_room_main_lights
+      - type: divider
       - light.living_room_all_lights
       - light.living_room_main_lights
       - light.light_lohas_1
@@ -32,6 +34,8 @@ cards:
     title: Kitchen
     icon: mdi:chef-hat
     entities:
+      - light.tuya_kitchen_main_lights
+      - type: divider
       - light.kitchen_main_lights
       - light.light_le_11
       - light.light_le_12
@@ -41,6 +45,10 @@ cards:
     title: Hallway
     icon: mdi:door-closed
     entities:
+      - light.tuya_hallway_all_lights
+      - light.tuya_hallway_main_lights
+      - light.tuya_hallway_entrance_lights
+      - type: divider
       - light.hallway_all_lights
       - light.hallway_main_lights
       - light.hallway_entrance_lights

config/packages/modules/lighting/groups.yaml

@@ -1,11 +1,17 @@
 light:
+  # Used only to set correct initial state of tuya_living_room_main_lights
+  - platform: group
+    name: Living room tuya lights
+    entities:
+      - light.light_le_9
+      - light.light_le_10
+
   - platform: group
     name: Living room main lights
     entities:
       - light.light_lohas_1
       - light.light_lohas_2
-      - light.light_le_9
+      - light.tuya_living_room_main_lights
-      - light.light_le_10
 
   - platform: group
     name: Living room all lights
@@ -52,18 +58,48 @@ light:
       - light.hallway_entrance_lights
       - light.hallway_main_lights
 
+  - platform: group
+    name: Tuya Hallway all lights
+    entities:
+      - light.tuya_hallway_entrance_lights
+      - light.tuya_hallway_main_lights
+
   - platform: group
     name: Ceiling lights
     entities:
       - light.living_room_all_lights
       - light.master_bedroom_main_lights
-      - light.kitchen_main_lights
+      - light.tuya_kitchen_main_lights
-      - light.hallway_all_lights
+      - light.tuya_hallway_all_lights
 
   - platform: group
     name: All lights
     entities:
       - light.living_room_all_lights
       - light.master_bedroom_all_lights
-      - light.kitchen_main_lights
+      - light.tuya_kitchen_main_lights
-      - light.hallway_all_lights
+      - light.tuya_hallway_all_lights
+
+
+homeassistant:
+  customize:
+    light.living_room_main_lights:
+      icon: mdi:vanity-light
+    light.living_room_all_lights:
+      icon: mdi:vanity-light
+    light.master_bedroom_main_lights:
+      icon: mdi:vanity-light
+    light.kitchen_main_lights:
+      icon: mdi:vanity-light
+    light.hallway_entrance_lights:
+      icon: mdi:vanity-light
+    light.hallway_main_lights:
+      icon: mdi:vanity-light
+    light.hallway_all_lights:
+      icon: mdi:vanity-light
+    light.tuya_hallway_all_lights:
+      icon: mdi:vanity-light
+    light.ceiling_lights:
+      icon: mdi:ceiling-light
+    light.pc:
+      icon: mdi:ceiling-light

config/packages/modules/lighting/tuya.yaml

@@ -0,0 +1,112 @@
+# Tuya Light groups setup via scenes
+# Credit: https://community.home-assistant.io/t/personal-setup-vps-vpn-faster-tuya-and-more/180995
+
+# Tuya lights respond faster if they're grouped into scenes in the Tuya app.
+# 1. Create ON and OFF scenes for every Tuya light group and sync them with Home Assistant.
+# 2. Create an input_boolean marking each scene on/off.
+# 3. Create template light acting as a group light for every input_boolean / tuya scene pair.
+# 4. Automate ON/OFF when an input_boolean is toggled.
+
+# Light groups in Tuya. Name: "tuya_{{scene_name}}_lights_state"
+input_boolean:
+  tuya_living_room_main_lights_state:
+  tuya_kitchen_main_lights_state:
+  tuya_hallway_main_lights_state:
+  tuya_hallway_entrance_lights_state:
+
+light:
+  - platform: template
+    lights:
+      tuya_living_room_main_lights:
+        friendly_name: Living room main lights (scene)
+        value_template: "{{ is_state('input_boolean.tuya_living_room_main_lights_state', 'on') }}"
+        icon_template: mdi:vanity-light
+        turn_on:
+          service: input_boolean.turn_on
+          data:
+            entity_id: input_boolean.tuya_living_room_main_lights_state
+        turn_off:
+          service: input_boolean.turn_off
+          data:
+            entity_id: input_boolean.tuya_living_room_main_lights_state
+
+      tuya_kitchen_main_lights:
+        friendly_name: Kitchen main lights (scene)
+        value_template: "{{ is_state('input_boolean.tuya_kitchen_main_lights_state', 'on') }}"
+        icon_template: mdi:vanity-light
+        turn_on:
+          service: input_boolean.turn_on
+          data:
+            entity_id: input_boolean.tuya_kitchen_main_lights_state
+        turn_off:
+          service: input_boolean.turn_off
+          data:
+            entity_id: input_boolean.tuya_kitchen_main_lights_state
+
+      tuya_hallway_main_lights:
+        friendly_name: Hallway main lights (scene)
+        value_template: "{{ is_state('input_boolean.tuya_hallway_main_lights_state', 'on') }}"
+        icon_template: mdi:vanity-light
+        turn_on:
+          service: input_boolean.turn_on
+          data:
+            entity_id: input_boolean.tuya_hallway_main_lights_state
+        turn_off:
+          service: input_boolean.turn_off
+          data:
+            entity_id: input_boolean.tuya_hallway_main_lights_state
+
+      tuya_hallway_entrance_lights:
+        friendly_name: Entrance lights (scene)
+        value_template: "{{ is_state('input_boolean.tuya_hallway_entrance_lights_state', 'on') }}"
+        icon_template: mdi:vanity-light
+        turn_on:
+          service: input_boolean.turn_on
+          data:
+            entity_id: input_boolean.tuya_hallway_entrance_lights_state
+        turn_off:
+          service: input_boolean.turn_off
+          data:
+            entity_id: input_boolean.tuya_hallway_entrance_lights_state
+
+
+# Try to keep input_booleans consistent.
+automation:
+  - alias: Lighting · Tuya · Update kitchen lights
+    trigger:
+      platform: state
+      entity_id:
+        - input_boolean.tuya_living_room_main_lights_state
+        - input_boolean.tuya_kitchen_main_lights_state
+        - input_boolean.tuya_hallway_main_lights_state
+        - input_boolean.tuya_hallway_entrance_lights_state
+    action:
+      - service: scene.turn_on
+        data_template:
+          entity_id: >
+
+            {% set scene_name = trigger.entity_id.split('tuya_')[1].split('_lights')[0] %}
+            {% set state = states(trigger.entity_id) %}
+            scene.tuya_{{ scene_name }}_{{ state }}
+
+  - alias: Lighting · Tuya · Update states on start
+    trigger:
+      platform: homeassistant
+      event: start
+    action:
+      - delay: 00:00:03
+      - service_template: "input_boolean.turn_{{ states('light.living_room_tuya_lights') }}"
+        data:
+          entity_id: input_boolean.tuya_living_room_main_lights_state
+
+      - service_template: "input_boolean.turn_{{ states('light.kitchen_main_lights') }}"
+        data:
+          entity_id: input_boolean.tuya_kitchen_main_lights_state
+
+      - service_template: "input_boolean.turn_{{ states('light.hallway_main_lights') }}"
+        data:
+          entity_id: input_boolean.tuya_hallway_main_lights_state
+
+      - service_template: "input_boolean.turn_{{ states('light.hallway_entrance_lights') }}"
+        data:
+          entity_id: input_boolean.tuya_hallway_entrance_lights_state

config/packages/routines/bedtime.yaml

@@ -32,8 +32,8 @@ script:
       - service: light.turn_off
         entity_id:
           - light.living_room_all_lights
-          - light.hallway_all_lights
+          - light.tuya_hallway_all_lights
-          - light.kitchen_main_lights
+          - light.tuya_kitchen_main_lights
 
 automation:
   - alias: Routine · Bedtime · Toggle on bedside switch hold

config/packages/routines/coming_home.yaml

@@ -11,9 +11,9 @@ script:
       # Enter home mode.
       - service: script.security_camera_off
       - service: light.turn_on
-        entity_id: light.hallway_entrance_lights
+        entity_id:
-      - service: light.turn_on
+          - light.tuya_hallway_entrance_lights
-        entity_id: light.hallway_main_lights
+          - light.tuya_hallway_main_lights
 
       # TODO: Only if it's dark in the living room
       - service: light.turn_on

config/tablet-lovelace.yaml

@@ -24,8 +24,8 @@ views:
                 cards:
                   - type: custom:button-card
                     template: small
-                    entity: light.all_lights
+                    entity: light.ceiling_lights
-                    name: All
+                    name: Ceiling
                   - type: custom:button-card
                     template: small
                     entity: light.living_room_main_lights
@@ -36,13 +36,13 @@ views:
                     name: Bedroom
                   - type: custom:button-card
                     template: small
-                    entity: light.hallway_main_lights
+                    entity: light.tuya_hallway_main_lights
                     name: Hallway
               - type: horizontal-stack
                 cards:
                   - type: custom:button-card
                     template: small
-                    entity: light.kitchen_main_lights
+                    entity: light.tuya_kitchen_main_lights
                     name: Kitchen
                   - type: custom:button-card
                     template: small
@@ -53,7 +53,7 @@ views:
                     name: Bedside
                   - type: custom:button-card
                     template: small
-                    entity: light.hallway_entrance_lights
+                    entity: light.tuya_hallway_entrance_lights
                     name: Entrance
 
           - type: horizontal-stack