Restructure omni services and add Chatwoot research snapshot

research/chatwoot/enterprise/app/services/captain/tools/base_service.rb

@@ -0,0 +1,53 @@
+class Captain::Tools::BaseService
+  attr_accessor :assistant
+
+  def initialize(assistant, user: nil)
+    @assistant = assistant
+    @user = user
+  end
+
+  def name
+    raise NotImplementedError, "#{self.class} must implement name"
+  end
+
+  def description
+    raise NotImplementedError, "#{self.class} must implement description"
+  end
+
+  def parameters
+    raise NotImplementedError, "#{self.class} must implement parameters"
+  end
+
+  def execute(arguments)
+    raise NotImplementedError, "#{self.class} must implement execute"
+  end
+
+  def to_registry_format
+    {
+      type: 'function',
+      function: {
+        name: name,
+        description: description,
+        parameters: parameters
+      }
+    }
+  end
+
+  def active?
+    true
+  end
+
+  private
+
+  def user_has_permission(permission)
+    return false if @user.blank?
+
+    account_user = AccountUser.find_by(account_id: @assistant.account_id, user_id: @user.id)
+    return false if account_user.blank?
+
+    return account_user.custom_role.permissions.include?(permission) if account_user.custom_role.present?
+
+    # Default permission for agents without custom roles
+    account_user.administrator? || account_user.agent?
+  end
+end