feat: 动态粒度趋势图，支持 auto bucket 选择 + P95 延迟 + 状态条

src/shared/api.ts

@@ -61,6 +61,8 @@ export interface MetaResponse {
   version: string;
 }
 
+export type MetricsBucket = "1d" | "1h" | "1m" | "3h" | "5m" | "6h" | "12h" | "15m" | "30m" | "30s";
+
 export interface RecentSample {
   durationMs: null | number;
   timestamp: string;
@@ -86,7 +88,7 @@ export interface TargetMetricsResponse {
   targetId: string;
   trend: TrendPoint[];
   window: {
-    bucket: "1h";
+    bucket: MetricsBucket;
     from: string;
     to: string;
   };
@@ -116,10 +118,12 @@ export interface TargetStatus {
 export interface TrendPoint {
   availability: number;
   avgDurationMs: null | number;
+  bucketEnd: string;
   bucketStart: string;
   downChecks: number;
   maxDurationMs: null | number;
   minDurationMs: null | number;
+  p95DurationMs: null | number;
   totalChecks: number;
   upChecks: number;
 }