fix(traffic): считать общий пик по совпадающим интервалам

lib/traffic-observations.ts

@@ -2,6 +2,7 @@ import { z } from "zod"
 const timestamp = z.string().refine(v => Number.isFinite(Date.parse(v))).nullable()
 const rate = z.number().finite().nonnegative().nullable()
 const meta = z.object({ rxNow: z.boolean(), txNow: z.boolean(), rxSeries: z.array(z.boolean()), txSeries: z.array(z.boolean()),
+  rxPeak: z.boolean().optional(), txPeak: z.boolean().optional(),
   sampledAt: timestamp, expiresAt: timestamp.optional(), lastAttemptAt: timestamp.optional(), lastSucceededAt: timestamp.optional(), error: z.string().nullable().optional(),
   currentState: z.enum(["current", "unknown", "pending", "error", "stale", "disabled"]).optional() })
 export type TrafficObservationMeta = z.infer<typeof meta>
@@ -19,7 +20,7 @@ export function projectTrafficObservations(raw: unknown, now = Date.now()) {
   const rxSeries = r.rxSeries.map((v, i) => o?.rxSeries[i] ? v : null)
   const txSeries = r.txSeries.map((v, i) => o?.txSeries[i] ? v : null)
   return { observations: o, volumeUnit: r.volumeUnit, rxNow: current && o?.rxNow ? r.rxNow : null, txNow: current && o?.txNow ? r.txNow : null,
-    rxSeries, txSeries, rxPeak: rxSeries.some(v => v !== null) ? r.rxPeak : null,
-    txPeak: txSeries.some(v => v !== null) ? r.txPeak : null,
+    rxSeries, txSeries, rxPeak: (o?.rxPeak ?? rxSeries.some(v => v !== null)) ? r.rxPeak : null,
+    txPeak: (o?.txPeak ?? txSeries.some(v => v !== null)) ? r.txPeak : null,
     rxTotal: r.volumeUnit && rxSeries.some(v => v !== null) ? r.rxTotal : null, txTotal: r.volumeUnit && txSeries.some(v => v !== null) ? r.txTotal : null }
 }