fix(price): delay empty-quote UI until settle window

Avoid flashing no-quote too early while waiting for live/SSE price after first empty response.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/utils/price.ts

@@ -19,10 +19,19 @@ export const price = ref<Price>()
 export const lastPrice = ref<Price>()
 /** حداقل یک بار تلاش برای گرفتن مظنه تمام شده (موفق یا ناموفق) */
 export const lastPriceReady = ref(false)
+/**
+ * بعد از اولین پاسخ خالی/no_quote، چند لحظه صبر می‌کنیم تا تیک SSE/زنده برسد
+ * و «مظنه در دسترس نیست» زودهنگام نشان داده نشود.
+ */
+export const lastPriceSettleGeneration = ref(0)
 export const olderPrice = ref<number | null>(null)
 
+const QUOTE_ABSENCE_SETTLE_MS = 2500
+
 let lastPriceSourceAt = 0
 let consecutivePriceFetchFailures = 0
+let lastPriceReadyAt = 0
+let quoteSettleTimer: ReturnType<typeof setTimeout> | undefined
 
 /** buy/sell نمایش و معامله — همان buy/sell/price_last از /api/price/last */
 export function getTradeBuyPrice(p?: Price | null) {
@@ -50,6 +59,49 @@ function hasValidPricePayload(data?: Price | null): boolean {
   )
 }
 
+function clearQuoteSettleTimer() {
+  if (quoteSettleTimer) {
+    clearTimeout(quoteSettleTimer)
+    quoteSettleTimer = undefined
+  }
+}
+
+function bumpQuoteSettle() {
+  lastPriceSettleGeneration.value += 1
+}
+
+function scheduleQuoteAbsenceSettle() {
+  clearQuoteSettleTimer()
+  if (hasValidPricePayload(lastPrice.value) || lastPrice.value?.status === 'closed') {
+    bumpQuoteSettle()
+    return
+  }
+  const elapsed = lastPriceReadyAt > 0 ? Date.now() - lastPriceReadyAt : 0
+  const wait = Math.max(0, QUOTE_ABSENCE_SETTLE_MS - elapsed)
+  quoteSettleTimer = setTimeout(() => {
+    quoteSettleTimer = undefined
+    bumpQuoteSettle()
+  }, wait)
+}
+
+function markLastPriceReady() {
+  if (!lastPriceReady.value) {
+    lastPriceReadyAt = Date.now()
+  }
+  lastPriceReady.value = true
+  scheduleQuoteAbsenceSettle()
+}
+
+/** قیمت آمده، بسته قطعی است، یا پنجرهٔ انتظارِ مظنه خالی تمام شده */
+export function isLastPriceAbsenceSettled(): boolean {
+  void lastPriceSettleGeneration.value
+  if (!lastPriceReady.value) return false
+  if (hasValidPricePayload(lastPrice.value)) return true
+  if (lastPrice.value?.status === 'closed') return true
+  if (lastPriceReadyAt <= 0) return false
+  return Date.now() - lastPriceReadyAt >= QUOTE_ABSENCE_SETTLE_MS
+}
+
 function applyTradingHoursSettingsPatch(data: unknown) {
   if (!data || typeof data !== 'object') {
     return
@@ -183,7 +235,7 @@ export async function getLastPrices(): Promise<boolean> {
     markPriceSourceFetchFailed()
     return false
   } finally {
-    lastPriceReady.value = true
+    markLastPriceReady()
   }
 }
 
@@ -192,13 +244,21 @@ export function applyLastPricePayload(dataLast: Price) {
   const normalized = normalizePriceResponse(applyBoardSpecialToLastPayload(dataLast as any) as Price)
   const nextBuy = getTradeBuyPrice(normalized)
   const prevBuy = getTradeBuyPrice(lastPrice.value)
+  const nextValid = hasValidPricePayload(normalized)
+  const prevValid = hasValidPricePayload(lastPrice.value)
+
+  // قطع فید / no_quote خالی — قیمت فعلی را پاک نکن؛ فقط closed قطعی اجازهٔ صفر شدن دارد
+  if (!nextValid && prevValid && normalized.status !== 'closed') {
+    markLastPriceReady()
+    return
+  }
 
   if (prevBuy > 0 && nextBuy > 0 && prevBuy !== nextBuy) {
     olderPrice.value = prevBuy
   }
 
   lastPrice.value = normalized
-  lastPriceReady.value = true
+  markLastPriceReady()
   price.value = {
     ...normalized,
     buy: nextBuy,

src/utils/priceSocket.ts

@@ -426,9 +426,14 @@ function handleLastPayload(payload: unknown) {
 
   const raw = payload as Price & { settings_patch?: unknown }
   const last = applyBoardSpecialToLastPayload(raw)
-  const hasQuote = last.price_last != null || last.price != null || last.buy != null
+  const hasDisplayable =
+    Number(last.buy ?? 0) > 0
+    || Number(last.sell ?? 0) > 0
+    || Number(last.price_last ?? 0) > 0
+    || Number(last.price ?? 0) > 0
   const hasStatus = last.status != null || typeof last.closed === 'boolean'
-  if (!hasQuote && !hasStatus) {
+
+  if (!hasDisplayable && !hasStatus) {
     if (Array.isArray(raw.settings_patch) && raw.settings_patch.length) {
       touchStreamActivity()
       void applySettingsFromStream(raw.settings_patch)
@@ -436,6 +441,22 @@ function handleLastPayload(payload: unknown) {
     return
   }
 
+  // SSE گاهی last خالی/no_quote می‌فرستد؛ قیمت معتبر فعلی را پاک نکن
+  if (!hasDisplayable) {
+    if (Array.isArray(raw.settings_patch) && raw.settings_patch.length) {
+      touchStreamActivity()
+      void applySettingsFromStream(raw.settings_patch)
+    }
+    void import('@/utils/price').then(({ getTradeBuyPrice, lastPrice }) => {
+      const keepCurrent =
+        getTradeBuyPrice(lastPrice.value) > 0 && last.status !== 'closed'
+      touchStreamActivity()
+      if (keepCurrent) return
+      void applyLastFromStream(last)
+    })
+    return
+  }
+
   touchStreamActivity()
   void applyLastFromStream(last)
 }

src/utils/storeHours.ts

@@ -1,6 +1,6 @@
 import { ref } from 'vue'
 import { useSettingsStore } from '@/store/settingsStore'
-import { lastPrice, lastPriceReady } from '@/utils/price'
+import { isLastPriceAbsenceSettled, lastPrice, lastPriceReady } from '@/utils/price'
 
 export interface StoreTradingHours {
   start: string
@@ -299,7 +299,10 @@ export function getPriceDisplayState(): PriceDisplayState {
   const p = lastPrice.value
 
   const serverStatus = p?.status
-  if (serverStatus === 'open' || serverStatus === 'closed' || serverStatus === 'no_quote') {
+  // اگر عدد قیمت هست، no_quote لحظه‌ای سرور را جدی نگیر (race با تیک بعدی)
+  if (serverStatus === 'no_quote' && hasShowableHomePrice(p)) {
+    // fall through به منطق کلاینت
+  } else if (serverStatus === 'open' || serverStatus === 'closed' || serverStatus === 'no_quote') {
     return serverStatus
   }
 
@@ -310,19 +313,27 @@ export function getPriceDisplayState(): PriceDisplayState {
 
   if (hasLiveQuote(p)) return 'open'
   if (shouldShowLastSavedPrice() && hasShowableHomePrice(p)) return 'open'
+  if (hasShowableHomePrice(p)) return 'open'
 
   return 'no_quote'
 }
 
-/** اولین دریافت مظنه / تنظیمات هنوز تمام نشده — اسکلتون، نه «مظنه در دسترس نیست» */
+/**
+ * اسکلتون تا وقتی قیمت قابل‌نمایش برسد، یا وضعیت بسته قطعی شود،
+ * یا بعد از اولین پاسخ خالی پنجرهٔ settle تمام شود (مظنه واقعاً نیست).
+ */
 export function isHomeQuotePending(): boolean {
   const settings = useSettingsStore()
   void lastPriceReady.value
   void lastPrice.value
+  void isLastPriceAbsenceSettled()
   void settings.loaded
   void settings.settingsRevision
 
-  return !settings.loaded || !lastPriceReady.value
+  if (!settings.loaded || !lastPriceReady.value) return true
+  if (hasShowableHomePrice(lastPrice.value)) return false
+  if (lastPrice.value?.status === 'closed') return false
+  return !isLastPriceAbsenceSettled()
 }
 
 export function getPriceDisplayMessage(state: PriceDisplayState = getPriceDisplayState()): string {