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/web/features/access-logs/api/access-logs.ts

@@ -0,0 +1,11 @@
+import { apiRequest } from '@/lib/api/client';
+
+import type { AccessLogItem } from '@/features/access-logs/types';
+
+export function getAccessLogs(nodeId?: string) {
+  const normalizedNodeId = nodeId?.trim();
+  const query = normalizedNodeId
+    ? `?node_id=${encodeURIComponent(normalizedNodeId)}`
+    : '';
+  return apiRequest<AccessLogItem[]>(`/access-logs/${query}`);
+}