Move mult inside aggregation

Author: xfalcox

lib/completions/report.rb

@@ -131,9 +131,9 @@ def user_breakdown
             "SUM(COALESCE(cached_tokens,0)) as total_cached_tokens",
             "SUM(COALESCE(request_tokens,0)) as total_request_tokens",
             "SUM(COALESCE(response_tokens,0)) as total_response_tokens",
-            "SUM(COALESCE(request_tokens, 0)) * COALESCE(llm_models.input_cost, 0) / 1000000.0 as input_spending",
-            "SUM(COALESCE(response_tokens, 0)) * COALESCE(llm_models.output_cost, 0) / 1000000.0 as output_spending",
-            "SUM(COALESCE(cached_tokens, 0)) * COALESCE(llm_models.cached_input_cost, 0) / 1000000.0 as cached_input_spending",
+            "SUM(COALESCE(request_tokens, 0) * COALESCE(llm_models.input_cost, 0)) / 1000000.0 as input_spending",
+            "SUM(COALESCE(response_tokens, 0) * COALESCE(llm_models.output_cost, 0)) / 1000000.0 as output_spending",
+            "SUM(COALESCE(cached_tokens, 0) * COALESCE(llm_models.cached_input_cost, 0)) / 1000000.0 as cached_input_spending",
           )
       end
 
@@ -151,17 +151,20 @@ def feature_breakdown
             "SUM(COALESCE(cached_tokens,0)) as total_cached_tokens",
             "SUM(COALESCE(request_tokens,0)) as total_request_tokens",
             "SUM(COALESCE(response_tokens,0)) as total_response_tokens",
-            "SUM(COALESCE(request_tokens, 0)) * COALESCE(llm_models.input_cost, 0) / 1000000.0 as input_spending",
-            "SUM(COALESCE(response_tokens, 0)) * COALESCE(llm_models.output_cost, 0) / 1000000.0 as output_spending",
-            "SUM(COALESCE(cached_tokens, 0)) * COALESCE(llm_models.cached_input_cost, 0) / 1000000.0 as cached_input_spending",
+            "SUM(COALESCE(request_tokens, 0) * COALESCE(llm_models.input_cost, 0))  / 1000000.0 as input_spending",
+            "SUM(COALESCE(response_tokens, 0) * COALESCE(llm_models.output_cost, 0)) / 1000000.0 as output_spending",
+            "SUM(COALESCE(cached_tokens, 0) * COALESCE(llm_models.cached_input_cost, 0)) / 1000000.0 as cached_input_spending",
           )
       end
 
       def model_breakdown
         base_query
           .joins("LEFT JOIN llm_models ON llm_models.name = language_model")
           .group(
-            :language_model
+            :language_model,
+            "llm_models.input_cost",
+            "llm_models.output_cost",
+            "llm_models.cached_input_cost",
           )
           .order("usage_count DESC")
           .select(