feat: add Graph Tool tracing and logging support in agent run logs

internal/ai/runtime/internal/impl/callbacks/runlog_callback.go

@@ -49,3 +49,13 @@ func (c *RuntimeTraceCollector) AddToolSearchItem(item ToolSearchTraceItem) {
 	c.Data.ToolSearch.Count++
 	c.Data.ToolSearch.Items = append(c.Data.ToolSearch.Items, item)
 }
+
+func (c *RuntimeTraceCollector) AddGraphToolItem(item GraphToolTraceItem) {
+	if c == nil {
+		return
+	}
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	c.Data.GraphTools.Count++
+	c.Data.GraphTools.Items = append(c.Data.GraphTools.Items, item)
+}

internal/ai/runtime/internal/impl/callbacks/trace_callback.go

@@ -22,6 +22,16 @@ type ToolSearchTraceItem struct {
 	ErrorMessage       string   `json:"errorMessage,omitempty"`
 }
 
+type GraphToolTraceItem struct {
+	ToolCode      string         `json:"toolCode"`
+	ToolName      string         `json:"toolName"`
+	Arguments     map[string]any `json:"arguments,omitempty"`
+	ResultPreview string         `json:"resultPreview,omitempty"`
+	LatencyMs     int64          `json:"latencyMs,omitempty"`
+	Status        string         `json:"status,omitempty"`
+	ErrorMessage  string         `json:"errorMessage,omitempty"`
+}
+
 type RetrieverTraceItem struct {
 	Query           string  `json:"query,omitempty"`
 	KnowledgeBaseID int64   `json:"knowledgeBaseId,omitempty"`
@@ -62,6 +72,10 @@ type RuntimeTraceData struct {
 		Count int                   `json:"count,omitempty"`
 		Items []ToolSearchTraceItem `json:"items,omitempty"`
 	} `json:"toolSearch"`
+	GraphTools struct {
+		Count int                  `json:"count,omitempty"`
+		Items []GraphToolTraceItem `json:"items,omitempty"`
+	} `json:"graphTools"`
 	Output struct {
 		ReplyText    string `json:"replyText,omitempty"`
 		FinishReason string `json:"finishReason,omitempty"`

internal/ai/runtime/internal/impl/factory/agent_factory.go

@@ -67,6 +67,7 @@ func (f *AgentFactory) BuildCustomerServiceAgent(ctx context.Context, aiAgent *m
 				ToolCode:   item.ToolCode,
 				ServerCode: item.ServerCode,
 				ToolName:   item.ToolName,
+				SourceType: "mcp",
 			}
 		}
 		for modelName, toolCode := range extraToolCodes {
@@ -87,6 +88,7 @@ func (f *AgentFactory) BuildCustomerServiceAgent(ctx context.Context, aiAgent *m
 				ToolCode:   toolCode,
 				ServerCode: serverCode,
 				ToolName:   toolName,
+				SourceType: resolveToolSourceType(toolCode),
 			}
 		}
 		handlers = append(handlers, einocallbacks.NewRuntimeTraceHandler(collector, toolMetadataBy))
@@ -109,6 +111,20 @@ func (f *AgentFactory) BuildCustomerServiceAgent(ctx context.Context, aiAgent *m
 	return &einoagents.CustomerServiceAgent{Inner: inner}, nil
 }
 
+func resolveToolSourceType(toolCode string) string {
+	toolCode = strings.TrimSpace(toolCode)
+	switch {
+	case toolCode == toolx.BuiltinToolSearchToolCode:
+		return toolx.BuiltinToolCatalogServerCode
+	case strings.HasPrefix(toolCode, toolx.GraphToolCatalogServerCode+"/"):
+		return toolx.GraphToolCatalogServerCode
+	case strings.HasPrefix(toolCode, toolx.BuiltinToolCatalogServerCode+"/"):
+		return toolx.BuiltinToolCatalogServerCode
+	default:
+		return "mcp"
+	}
+}
+
 func buildAgentInstruction(aiAgent *models.AIAgent, selectedSkill *models.SkillDefinition, toolDefinitions []einoadapter.MCPToolDefinition, extraToolCodes map[string]string) string {
 	baseInstruction := ""
 	if aiAgent != nil {