Changing this to !extend style includes, hopefully, for now it mean more text in main.yaml

esphome/device_packages/sensor-box-diy.yaml

@@ -1,23 +1,21 @@
 esp8266:
   board: d1_mini
 
-<<: !include esphome/partials/effects.yaml
-
 light:
   - platform: neopixelbus
+    id: light_pm25
     variant: WS2812
     pin: D4
     num_leds: 5
     type : GRB
     name: "${friendly_devicename} PM25"
-    effects: *shared_effects
   - platform: neopixelbus
+    id: light_pm10
     variant: WS2812
     pin: D3
     num_leds: 5
     type : GRB
     name: "${friendly_devicename} PM10"
-    effects: *shared_effects
   - platform: binary
     name: "${friendly_devicename} Lamp"
     output: relay

esphome/partials/effects.yaml

@@ -1,4 +1,3 @@
-light: &shared_effects
 - strobe:
 - flicker:
 - addressable_rainbow: