Refactor volume control: Add volume slider for speaker and adjust volume multiplier for improved audio management

esphome/voice-assistant-1.yaml

@@ -16,7 +16,6 @@ esphome:
             switch.is_off: mute
           then:
             - micro_wake_word.start:
-
 esp32:
   board: esp32-s3-devkitc-1
   framework:
@@ -72,6 +71,23 @@ light:
           move_interval: 100ms
           scan_width: 1
 
+number:
+  - platform: template
+    id: va_volume_percent
+    name: "VA Speaker Volume"
+    min_value: 10
+    max_value: 100
+    step: 5
+    unit_of_measurement: "%"
+    mode: slider
+    optimistic: true
+    restore_value: true
+    initial_value: 80
+    set_action:
+      - speaker.volume_set:
+          id: va_speaker
+          volume: !lambda "return x / 100.0f;"
+
 switch:
   - platform: template
     id: mute
@@ -166,7 +182,7 @@ voice_assistant:
   use_wake_word: false
   noise_suppression_level: 2.0
   auto_gain: 31dBFS
-  volume_multiplier: 4.0
+  volume_multiplier: 8.0
   on_client_connected:
     - if:
         condition: