feat: add access log functionality and related components

- Introduced NodeAccessLog model and corresponding database migrations.
- Implemented access log retrieval in the service layer.
- Created API endpoint for accessing logs with appropriate security measures.
- Developed frontend components for displaying access logs, including filtering and summary statistics.
- Updated observability buffer to include access logs and ensure proper merging and retention.
- Enhanced traffic report and observability tests to validate new access log features.
- Updated documentation to reflect changes in access log handling and data retention policies.

atsf_server/model/main.go

@@ -107,6 +107,10 @@ func InitDB() (err error) {
 		if err != nil {
 			return err
 		}
+		err = db.AutoMigrate(&NodeAccessLog{})
+		if err != nil {
+			return err
+		}
 		err = db.AutoMigrate(&NodeHealthEvent{})
 		if err != nil {
 			return err