fix: use SetFunctionCallNameString when forcing a specific tool (3 sites)

core/http/endpoints/anthropic/messages.go

@@ -880,7 +880,7 @@ func convertAnthropicTools(input *schema.AnthropicRequest, cfg *config.ModelConf
 			if tcType, ok := tc["type"].(string); ok && tcType == "tool" {
 				if name, ok := tc["name"].(string); ok {
 					// Force specific tool
-					cfg.SetFunctionCallString(name)
+					cfg.SetFunctionCallNameString(name)
 				}
 			}
 		}

core/http/endpoints/openai/realtime_model.go

@@ -168,7 +168,7 @@ func (m *wrappedModel) Predict(ctx context.Context, messages schema.Messages, im
 			}
 		} else if toolChoice.Function != nil {
 			// Specific function specified
-			m.LLMConfig.SetFunctionCallString(toolChoice.Function.Name)
+			m.LLMConfig.SetFunctionCallNameString(toolChoice.Function.Name)
 		}
 	}
 

core/http/endpoints/openresponses/responses.go

@@ -773,7 +773,7 @@ func convertORToolsToFunctions(input *schema.OpenResponsesRequest, cfg *config.M
 		case map[string]any:
 			if tcType, ok := tc["type"].(string); ok && tcType == "function" {
 				if name, ok := tc["name"].(string); ok {
-					cfg.SetFunctionCallString(name)
+					cfg.SetFunctionCallNameString(name)
 				}
 			}
 		}