add roku list tv apps

active/device_home_assistant/home_assistant.md

@@ -25,6 +25,8 @@
   - [LG TV Switch](#lg-tv-switch)
   - [Raspberry Pi Docker](#raspberry-pi-docker)
   - [Extended OpenAI Conversation](#extended-openai-conversation)
+  - [Templates](#templates)
+    - [List Roku TV Apps](#list-roku-tv-apps)
 
 ## Certificates
 
@@ -750,3 +752,48 @@ Setting up a new llama.cpp agent:
 | API Provider        | OpenAI                               |
 
 Model Name: `ggml-org/gpt-oss-120b-GGUF`
+
+## Templates
+
+### List Roku TV Apps
+
+```yaml
+{{ state_attr("media_player.right_living_room", "source_list") }}
+
+{% for app in tv_apps -%}
+"{{ app }}"
+{% endfor %}
+```
+
+For extended openai conversation template:
+
+```yaml
+- spec:
+    name: set_tv_app
+    description: |-
+      Use this function to open an app on a tv media player.
+    parameters:
+      type: object
+      properties:
+        entity_id:
+          type: string
+          description: entity_id of the TV Media Player
+        source:
+          type: string
+          description: The app you want to open
+      required:
+      - entity_id
+      - source
+  function:
+    type: composite
+    sequence:
+    - type: script
+      sequence:
+      - service:
+
+    - service: media_player.select_source
+      target: 
+        entity_id: "{{ entity_id }}"
+      data:
+        source: "{{ source }}"
+```