fix: captain usage for BYOK OpenAI tasks (#14587)

# Pull Request Template

## Description

Fixes:
https://linear.app/chatwoot/issue/CW-7167/label-suggestions-bad-ux

## Type of change

Please delete options that are not relevant.

- [x] Bug fix (non-breaking change which fixes an issue)

## How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide
instructions so we can reproduce. Please also list any relevant details
for your test configuration.


## Checklist:

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules

lib/captain/base_task_service.rb

@@ -150,13 +150,12 @@ class Captain::BaseTaskService
   end
 
   # Extension point consulted by the Enterprise quota wrapper. Subclasses
-  # whose calls run on the operator's key (e.g. internal/onboarding tasks)
-  # should override this to return false. When false, the wrapper neither
-  # blocks the call on an exhausted captain_responses quota nor decrements
-  # it on success — the call participates in the quota system in neither
-  # direction.
+  # whose calls should not consume captain_responses should override this to
+  # return false. When false, the wrapper neither blocks the call on an
+  # exhausted captain_responses quota nor decrements it on success — the call
+  # participates in the quota system in neither direction.
   def counts_toward_usage?
-    true
+    llm_credential&.dig(:source) != :hook
   end
 
   def api_key_configured?
@@ -168,7 +167,15 @@ class Captain::BaseTaskService
   end
 
   def llm_credential
-    @llm_credential ||= hook_llm_credential || system_llm_credential
+    @llm_credential ||= if use_account_openai_hook?
+                          hook_llm_credential || system_llm_credential
+                        else
+                          system_llm_credential
+                        end
+  end
+
+  def use_account_openai_hook?
+    false
   end
 
   def hook_llm_credential

lib/captain/csat_utility_analysis_service.rb

@@ -63,4 +63,8 @@ class Captain::CsatUtilityAnalysisService < Captain::BaseTaskService
   def event_name
     'csat_utility_analysis'
   end
+
+  def use_account_openai_hook?
+    true
+  end
 end

lib/captain/follow_up_service.rb

@@ -103,4 +103,8 @@ class Captain::FollowUpService < Captain::BaseTaskService
   def event_name
     'follow_up'
   end
+
+  def use_account_openai_hook?
+    true
+  end
 end

lib/captain/label_suggestion_service.rb

@@ -87,6 +87,10 @@ class Captain::LabelSuggestionService < Captain::BaseTaskService
     'label_suggestion'
   end
 
+  def use_account_openai_hook?
+    true
+  end
+
   def build_follow_up_context?
     false
   end

lib/captain/reply_suggestion_service.rb

@@ -37,6 +37,10 @@ class Captain::ReplySuggestionService < Captain::BaseTaskService
   def event_name
     'reply_suggestion'
   end
+
+  def use_account_openai_hook?
+    true
+  end
 end
 
 Captain::ReplySuggestionService.prepend_mod_with('Captain::ReplySuggestionService')

lib/captain/rewrite_service.rb

@@ -56,4 +56,8 @@ class Captain::RewriteService < Captain::BaseTaskService
   def event_name
     operation
   end
+
+  def use_account_openai_hook?
+    true
+  end
 end

lib/captain/summary_service.rb

@@ -24,4 +24,8 @@ class Captain::SummaryService < Captain::BaseTaskService
   def event_name
     'summarize'
   end
+
+  def use_account_openai_hook?
+    true
+  end
 end