feat: refactor ticket creation process to use Graph Tool for confirmation and state management

internal/pkg/toolx/builtin_tools.go

@@ -6,6 +6,11 @@ const (
 	BuiltinToolSearchToolName                 = "tool_search"
 	BuiltinToolSearchToolTitle                = "搜索并调用动态工具"
 	BuiltinToolSearchToolDescription          = "用于搜索当前允许使用的 MCP 工具，并在确认目标 toolCode 后动态调用该工具。适合处理长尾工具，不应替代固定内置流程工具。"
+	GraphToolCatalogServerCode                = "graph"
+	GraphCreateTicketConfirmToolCode          = "graph/create_ticket_with_confirmation"
+	GraphCreateTicketConfirmToolName          = "create_ticket_with_confirmation"
+	GraphCreateTicketConfirmToolTitle         = "创建工单确认流程"
+	GraphCreateTicketConfirmToolDescription   = "Graph Tool。用于封装建单参数整理、用户确认、真正建单和结果返回的确定性流程。"
 	BuiltinCreateTicketConfirmToolCode        = "builtin/create_ticket_with_confirmation"
 	BuiltinCreateTicketConfirmToolName        = "create_ticket_with_confirmation"
 	BuiltinCreateTicketConfirmToolTitle       = "创建工单并发起确认"
@@ -15,3 +20,12 @@ const (
 func IsAutoInjectedToolCode(toolCode string) bool {
 	return toolCode == BuiltinToolSearchToolCode
 }
+
+func NormalizeToolCodeAlias(toolCode string) string {
+	switch toolCode {
+	case BuiltinCreateTicketConfirmToolCode:
+		return GraphCreateTicketConfirmToolCode
+	default:
+		return toolCode
+	}
+}

internal/pkg/toolx/mcp_tool.go

@@ -31,6 +31,7 @@ func SplitMCPToolCode(toolCode string) (string, string) {
 
 func NormalizeMCPToolRequest(item request.AIAgentMCPToolRequest) (request.AIAgentMCPToolRequest, error) {
 	toolCode := strings.TrimSpace(item.ToolCode)
+	toolCode = NormalizeToolCodeAlias(toolCode)
 	serverCode := strings.TrimSpace(item.ServerCode)
 	toolName := strings.TrimSpace(item.ToolName)
 	if toolCode != "" {