DEV: Remove references to translation model

Author: keegangeorge

config/settings.yml

@@ -488,7 +488,7 @@ discourse_ai:
     client: true
     validator: "DiscourseAi::Configuration::LlmDependencyValidator"
     area: "ai-features/translation"
-  ai_translation_model:
+  ai_translation_model: # Deprecated. TODO(keegan): Remove 2025-09-01
     default: ""
     type: enum
     allow_any: false

lib/translation.rb

@@ -4,7 +4,7 @@ module DiscourseAi
   module Translation
     def self.enabled?
       SiteSetting.discourse_ai_enabled && SiteSetting.ai_translation_enabled &&
-        SiteSetting.ai_translation_model.present? &&
+        SiteSetting.ai_default_llm_model.present? &&
         SiteSetting.content_localization_supported_locales.present?
     end
 

spec/configuration/feature_spec.rb

@@ -6,6 +6,8 @@
   fab!(:llm_model)
   fab!(:ai_persona) { Fabricate(:ai_persona, default_llm_id: llm_model.id) }
 
+  before { assign_fake_provider_to(:ai_default_llm_model) }
+
   def allow_configuring_setting(&block)
     DiscourseAi::Completions::Llm.with_prepared_responses(["OK"]) { block.call }
   end

spec/lib/translation/language_detector_spec.rb

@@ -34,7 +34,7 @@
 
       allow(DiscourseAi::Completions::Prompt).to receive(:new).and_return(mock_prompt)
       allow(DiscourseAi::Completions::Llm).to receive(:proxy).with(
-        SiteSetting.ai_translation_model,
+        SiteSetting.ai_default_llm_model,
       ).and_return(mock_llm)
       allow(mock_llm).to receive(:generate).with(
         mock_prompt,