feat: 添加节点可观测性查询功能，支持获取节点的系统配置、指标快照、流量报告和健康事件

atsf_server/web/features/nodes/api/nodes.ts

@@ -6,6 +6,7 @@ import type {
   NodeBootstrapToken,
   NodeItem,
   NodeMutationPayload,
+  NodeObservability,
 } from '@/features/nodes/types';
 import type { ReleaseChannel } from '@/features/update/types';
 
@@ -67,3 +68,20 @@ export function requestNodeOpenrestyRestart(id: number) {
     method: 'POST',
   });
 }
+
+export function getNodeObservability(
+  id: number,
+  options?: { hours?: number; limit?: number },
+) {
+  const params = new URLSearchParams();
+  if (options?.hours) {
+    params.set('hours', String(options.hours));
+  }
+  if (options?.limit) {
+    params.set('limit', String(options.limit));
+  }
+  const query = params.toString();
+  return apiRequest<NodeObservability>(
+    `/nodes/${id}/observability${query ? `?${query}` : ''}`,
+  );
+}

atsf_server/web/features/nodes/types.ts

@@ -57,3 +57,63 @@ export interface NodeAgentUpdatePayload {
   channel?: ReleaseChannel;
   tag_name?: string;
 }
+
+export interface NodeSystemProfile {
+  hostname: string;
+  os_name: string;
+  os_version: string;
+  kernel_version: string;
+  architecture: string;
+  cpu_model: string;
+  cpu_cores: number;
+  total_memory_bytes: number;
+  total_disk_bytes: number;
+  uptime_seconds: number;
+  reported_at: string;
+}
+
+export interface NodeMetricSnapshot {
+  captured_at: string;
+  cpu_usage_percent: number;
+  memory_used_bytes: number;
+  memory_total_bytes: number;
+  storage_used_bytes: number;
+  storage_total_bytes: number;
+  disk_read_bytes: number;
+  disk_write_bytes: number;
+  network_rx_bytes: number;
+  network_tx_bytes: number;
+  openresty_rx_bytes: number;
+  openresty_tx_bytes: number;
+  openresty_connections: number;
+}
+
+export interface NodeTrafficReport {
+  window_started_at: string;
+  window_ended_at: string;
+  request_count: number;
+  error_count: number;
+  unique_visitor_count: number;
+  status_codes_json: string;
+  top_domains_json: string;
+  source_countries_json: string;
+}
+
+export interface NodeHealthEvent {
+  event_type: string;
+  severity: string;
+  status: string;
+  message: string;
+  first_triggered_at: string;
+  last_triggered_at: string;
+  reported_at: string;
+  resolved_at?: string | null;
+}
+
+export interface NodeObservability {
+  node_id: string;
+  profile: NodeSystemProfile | null;
+  metric_snapshots: NodeMetricSnapshot[];
+  traffic_reports: NodeTrafficReport[];
+  health_events: NodeHealthEvent[];
+}