add model name for metrics

Signed-off-by: Jintao Zhang <[email protected]>

Author: tao12345666333

src/semantic-router/pkg/extproc/request_handler.go

@@ -339,7 +339,7 @@ func (r *OpenAIRouter) handleModelRouting(openAIRequest *openai.ChatCompletionNe
 				log.Printf("Reasoning mode decision for this query: %v on [%s] model", useReasoning, matchedModel)
 				// Record reasoning decision metric with the effort that will be applied if enabled
 				effortForMetrics := r.getReasoningEffort(categoryName)
-				metrics.RecordReasoningDecision(categoryName, useReasoning, effortForMetrics)
+				metrics.RecordReasoningDecision(categoryName, matchedModel, useReasoning, effortForMetrics)
 
 				// Track the model load for the selected model
 				r.Classifier.IncrementModelLoad(matchedModel)

src/semantic-router/pkg/metrics/metrics.go

@@ -489,6 +489,8 @@ func InitializeBatchMetrics(config BatchMetricsConfig) {
 			[]string{"processing_type"},
 		)
 	})
+}
+
 // RecordReasoningDecision records a reasoning-mode decision for a category, model and effort
 func RecordReasoningDecision(category, model string, enabled bool, effort string) {
 	status := "false"