Add min_brightness setting to Light Color Mapper

Adds a minimum brightness floor (default: 5) that prevents lights from
becoming too dim. Applied to both sensor brightness and default color paths.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Common/Light Color Mapper/blueprint.yaml

@@ -101,6 +101,19 @@ blueprint:
               max: 255
               mode: slider
 
+        min_brightness:
+          name: Minimum Brightness
+          description: >
+            Minimum brightness for all lights (1–255). If the sensor or
+            override brightness is below this value, this minimum is used
+            instead. Prevents lights from becoming too dim to see.
+          default: 5
+          selector:
+            number:
+              min: 1
+              max: 255
+              mode: slider
+
         none_action:
           name: When Sensor is Unavailable
           description: "Action to take when a sensor state is None, unknown, or unavailable."
@@ -189,6 +202,7 @@ variables:
   lights: !input lights
   max_fps: !input max_fps
   brightness_override: !input brightness_override
+  min_brightness: !input min_brightness
   none_action: !input none_action
   default_color: !input default_color
   enable_debug_notifications: !input enable_debug_notifications
@@ -222,6 +236,7 @@ action:
                 **Pairs:** {{ pair_count }}
                 **FPS:** {{ max_fps }}
                 **Brightness Override:** {{ brightness_override }}
+                **Min Brightness:** {{ min_brightness }}
 
                 **Sensor States:**
                 {% for i in range(pair_count | int) %}
@@ -286,7 +301,7 @@ action:
                             entity_id: "{{ current_light }}"
                           data:
                             rgb_color: "{{ default_color }}"
-                            brightness: "{{ brightness_override | int if brightness_override | int > 0 else 255 }}"
+                            brightness: "{{ [brightness_override | int if brightness_override | int > 0 else 255, min_brightness | int] | max }}"
 
                     # keep_last — do nothing
 
@@ -295,7 +310,7 @@ action:
             - variables:
                 sensor_rgb: "{{ state_attr(current_sensor, 'rgb_color') | default([255, 255, 255]) }}"
                 sensor_brightness: "{{ state_attr(current_sensor, 'brightness') | default(255) }}"
-                target_brightness: "{{ brightness_override | int if brightness_override | int > 0 else sensor_brightness | int }}"
+                target_brightness: "{{ [brightness_override | int if brightness_override | int > 0 else sensor_brightness | int, min_brightness | int] | max }}"
 
             - service: light.turn_on
               target:

manifest.json

@@ -1,3 +1,3 @@
 {
-  "version": "2.2.9"
+  "version": "2.3.0"
 }