feat: Add native support for CSML in agent_bot API (#4913)

app/services/agent_bots/validate_bot_service.rb

@@ -0,0 +1,38 @@
+class AgentBots::ValidateBotService
+  pattr_initialize [:agent_bot]
+  def perform
+    return true unless agent_bot.bot_type == 'csml'
+
+    validate_csml_bot
+  end
+
+  private
+
+  def csml_client
+    @csml_client ||= CsmlEngine.new
+  end
+
+  def csml_bot_payload
+    {
+      id: agent_bot[:name],
+      name: agent_bot[:name],
+      default_flow: 'Default',
+      flows: [
+        {
+          id: SecureRandom.uuid,
+          name: 'Default',
+          content: agent_bot.bot_config['csml_content'],
+          commands: []
+        }
+      ]
+    }
+  end
+
+  def validate_csml_bot
+    response = csml_client.validate(csml_bot_payload)
+    response.blank? || response['valid']
+  rescue StandardError => e
+    ChatwootExceptionTracker.new(e, account: agent_bot).capture_exception
+    false
+  end
+end