feat: add prompt suggestions and June events (#10726)

This PR adds the following two features

1. Prompt suggestions to get started with Copilot Chat
2. June events for each action

![CleanShot 2025-01-20 at 21 00
52@2x](https://github.com/user-attachments/assets/d73e7982-0f78-4d85-873e-da2c16762688)

---------

Co-authored-by: Pranav <pranavrajs@gmail.com>

enterprise/app/services/captain/copilot/chat_service.rb

@@ -1,78 +1,39 @@
-class Captain::Copilot::ChatService
+require 'openai'
+
+class Captain::Copilot::ChatService < Captain::Llm::BaseOpenAiService
+  include Captain::ChatHelper
+
   def initialize(assistant, config)
+    super()
+
     @assistant = assistant
     @conversation_history = config[:conversation_history]
-    @previous_messages = config[:previous_messages]
-    build_agent
-    register_search_documentation
+    @previous_messages = config[:previous_messages] || []
+    @messages = [system_message, conversation_history_context] + @previous_messages
+    @response = ''
   end
 
-  def execute(input)
-    @agent.execute(input, conversation_history_context)
+  def generate_response(input)
+    @messages << { role: 'user', content: input } if input.present?
+    request_chat_completion
   end
 
   private
 
-  def build_agent
-    @agent = Captain::Agent.new(
-      name: 'Support Copilot',
-      config: {
-        description: 'an AI assistant helping support agents',
-        messages: @previous_messages,
-        persona: 'You are an AI copilot for customer support agents',
-        goal: "
-          Your goal is help the support agents with meaningful responses based on the knowledge you have
-          and you can gather using tools provided about the product or service.
-        ",
-        secrets: {
-          OPENAI_API_KEY: InstallationConfig.find_by!(name: 'CAPTAIN_OPEN_AI_API_KEY').value
-        },
-        max_iterations: 2
-      }
-    )
+  def system_message
+    {
+      role: 'system',
+      content: Captain::Llm::SystemPromptsService.copilot_response_generator(@assistant.config['product_name'])
+    }
   end
 
   def conversation_history_context
-    "
-    Message History with the user is below:
-    #{@conversation_history}
-    "
-  end
-
-  def register_search_documentation
-    tool = Captain::Tool.new(
-      name: 'search_documentation',
-      config: {
-        description: "Use this function to get documentation on functionalities you don't know about.",
-        properties: {
-          search_query: {
-            type: 'string',
-            description: 'The search query to look up in the documentation.',
-            required: true
-          }
-        },
-        memory: {
-          assistant_id: @assistant.id,
-          account_id: @assistant.account_id
-        }
-      }
-    )
-
-    register_tool tool
-  end
-
-  def register_tool(tool)
-    tool.register_method do |inputs, _, memory|
-      assistant = Captain::Assistant.find(memory[:assistant_id])
-      assistant
-        .responses
-        .approved
-        .search(inputs['search_query'])
-        .map do |response|
-        "\n\nQuestion: #{response[:question]}\nAnswer: #{response[:answer]}"
-      end.join
-    end
-
-    @agent.register_tool tool
+    {
+      role: 'system',
+      content: "
+      Message History with the user is below:
+      #{@conversation_history}
+      "
+    }
   end
 end