fix: Resolve hassfest validation errors in services.yaml

- Remove invalid response schema from ask_question service
- Add required target configuration for all services
- Ensure compliance with Home Assistant service schema requirements

custom_components/ha_text_ai/services.yaml

@@ -4,6 +4,10 @@ ask_question:
     Send a question to the AI model and receive a detailed response.
     The response will be stored in the conversation history and can be retrieved later.
     This service now returns response data directly, eliminating the need to read from sensors.
+  target:
+    entity:
+      integration: ha_text_ai
+      domain: sensor
   fields:
     instance:
       name: Instance
@@ -73,42 +77,15 @@ ask_question:
           max: 100000
           step: 1
           mode: box
-  response:
-    response_text:
-      description: "Full AI response text (unlimited length)"
-      example: "The answer to your question is..."
-    tokens_used:
-      description: "Total number of tokens consumed for this request"
-      example: 150
-    prompt_tokens:
-      description: "Number of tokens used for the input prompt"
-      example: 50
-    completion_tokens:
-      description: "Number of tokens used for the AI response"
-      example: 100
-    model_used:
-      description: "AI model that generated the response"
-      example: "gpt-4o-mini"
-    instance:
-      description: "Instance name that processed the request"
-      example: "my_assistant"
-    question:
-      description: "The original question that was asked"
-      example: "What is the weather like?"
-    timestamp:
-      description: "ISO timestamp when the response was generated"
-      example: "2025-01-09T16:57:00.000Z"
-    success:
-      description: "Whether the request was successful"
-      example: true
-    error:
-      description: "Error message if the request failed (only present when success is false)"
-      example: "API rate limit exceeded"
 
 clear_history:
   name: Clear History
   description: >-
     Delete all stored questions and responses from the conversation history
+  target:
+    entity:
+      integration: ha_text_ai
+      domain: sensor
   fields:
     instance:
       name: Instance
@@ -122,6 +99,10 @@ clear_history:
 get_history:
   name: Get History
   description: Retrieve conversation history with optional filtering and sorting
+  target:
+    entity:
+      integration: ha_text_ai
+      domain: sensor
   fields:
     instance:
       name: Instance
@@ -182,6 +163,10 @@ get_history:
 set_system_prompt:
   name: Set System Prompt
   description: Set default system behavior instructions for all future conversations
+  target:
+    entity:
+      integration: ha_text_ai
+      domain: sensor
   fields:
     instance:
       name: Instance