Remove unused ModelSupportsReasoning function

Assisted-By: docker-agent

Author: dgageot

pkg/modelsdev/store.go

@@ -330,35 +330,4 @@ func isBedrockRegionPrefix(prefix string) bool {
 	return bedrockRegionPrefixes[prefix]
 }
 
-// ModelSupportsReasoning checks if the given model ID supports reasoning/thinking.
-//
-// This function implements fail-open semantics:
-//   - If modelID is empty or not in "provider/model" format, returns true (fail-open)
-//   - If models.dev lookup fails for any reason, returns true (fail-open)
-//   - If lookup succeeds, returns the model's Reasoning field value
-func ModelSupportsReasoning(ctx context.Context, modelID string) bool {
-	// Fail-open for empty model ID
-	if modelID == "" {
-		return true
-	}
-
-	// Fail-open if not in provider/model format
-	if !strings.Contains(modelID, "/") {
-		slog.Debug("Model ID not in provider/model format, assuming reasoning supported to allow user choice", "model_id", modelID)
-		return true
-	}
 
-	store, err := NewStore()
-	if err != nil {
-		slog.Debug("Failed to create modelsdev store, assuming reasoning supported to allow user choice", "error", err)
-		return true
-	}
-
-	model, err := store.GetModel(ctx, modelID)
-	if err != nil {
-		slog.Debug("Failed to lookup model in models.dev, assuming reasoning supported to allow user choice", "model_id", modelID, "error", err)
-		return true
-	}
-
-	return model.Reasoning
-}