Move sensitive attribute to global constant

Author: samwaree

lib/openai/client.rb

@@ -2,6 +2,7 @@ module OpenAI
   class Client
     include OpenAI::HTTP
 
+    SENSITIVE_ATTRIBUTES = %i[@access_token @organization_id @extra_headers].freeze
     CONFIG_KEYS = %i[
       api_type
       api_version
@@ -109,12 +110,10 @@ def beta(apis)
     end
 
     def inspect
-      sensitive_attributes = %i[@access_token @organization_id @extra_headers]
-
       vars = instance_variables.map do |var|
         value = instance_variable_get(var)
 
-        sensitive_attributes.include?(var) ? "#{var}=[REDACTED]" : "#{var}=#{value.inspect}"
+        SENSITIVE_ATTRIBUTES.include?(var) ? "#{var}=[REDACTED]" : "#{var}=#{value.inspect}"
       end
 
       "#<#{self.class}:#{object_id} #{vars.join(', ')}>"