bug-fixes

src/components/NoteList/index.tsx

@@ -944,7 +944,7 @@ const NoteList = forwardRef(
         pendingPubkeys: feedProfileBatch.pending,
         version: feedProfileBatch.version
       }),
-      [feedProfileBatch]
+      [feedProfileBatch.profiles, feedProfileBatch.pending, feedProfileBatch.version]
     )
     
     // Memoize subRequests serialization to avoid expensive JSON.stringify on every render
@@ -1078,7 +1078,9 @@ const NoteList = forwardRef(
           }
         }
         if (!changed) return prev
-        return { ...prev, pending, version: prev.version + 1 }
+        // Do not bump `version` here — only the debounced batch + profile merges should notify
+        // `useFetchProfile` (via profiles map / pending membership), not every pending-key sync.
+        return { ...prev, pending }
       })
     }, [timelineEventsForFilter, newEvents])
 
@@ -1564,7 +1566,7 @@ const NoteList = forwardRef(
             }
           }
           if (!pendingChanged) return prev
-          return { ...prev, pending, version: prev.version + 1 }
+          return { ...prev, pending }
         })
 
         void (async () => {

src/components/NoteStats/index.tsx

@@ -8,9 +8,8 @@ import noteStatsService from '@/services/note-stats.service'
 import { ExtendedKind } from '@/constants'
 import { useReplyUnderDiscussionRoot } from '@/hooks/useReplyUnderDiscussionRoot'
 import { shouldHideInteractions } from '@/lib/event-filtering'
-import logger from '@/lib/logger'
 import { Event } from 'nostr-tools'
-import { useEffect, useState } from 'react'
+import { useEffect, useRef, useState } from 'react'
 import BookmarkButton from '../BookmarkButton'
 import { LikeButtonWithStats } from './LikeButton'
 import { LikesWithStats } from './Likes'
@@ -40,8 +39,8 @@ export default function NoteStats({
   const { isSmallScreen } = useScreenSize()
   const { pubkey } = useNostr()
   const noteStats = useNoteStatsById(event.id)
-  const { relays: hintRelays, key: hintRelaysKey } = useNoteStatsRelayHints()
-  const { relayUrls: rssUrlThreadRelays, key: rssUrlThreadRelaysKey } = useRssUrlThreadQueryRelays()
+  const { relays: hintRelays, currentRelaysKey } = useNoteStatsRelayHints()
+  const { relayUrls: rssUrlThreadRelays, relayMergeTier } = useRssUrlThreadQueryRelays()
   const [loading, setLoading] = useState(false)
   
   // Hide boost button for discussion events and replies to discussions
@@ -55,7 +54,10 @@ export default function NoteStats({
   const isRssArticleRoot = event.kind === ExtendedKind.RSS_THREAD_ROOT
   /** Match {@link RssUrlThreadStatsBar}: inbox/favorites/fast-read merge — plain hints miss many #i indexers. */
   const statsRelays = isRssArticleRoot ? rssUrlThreadRelays : hintRelays
-  const statsRelaysKey = isRssArticleRoot ? rssUrlThreadRelaysKey : hintRelaysKey
+  /** At most two background refetches per card: before vs after inbox/favorite hints hydrate. */
+  const statsRelayFetchTier = isRssArticleRoot ? relayMergeTier : hintRelays.length > 0 ? 1 : 0
+  const statsRelaysRef = useRef(statsRelays)
+  statsRelaysRef.current = statsRelays
   const isZapPoll = event.kind === ExtendedKind.ZAP_POLL
 
   /** Emoji reaction pills (aggregated likes). Shown for RSS/Web URL threads so the side panel matches feed rows. */
@@ -63,18 +65,24 @@ export default function NoteStats({
 
   useEffect(() => {
     if (!fetchIfNotExisting) return
-    logger.debug('[NoteStats] UI: scheduling fetchNoteStats', {
-      eventId: `${event.id.slice(0, 12)}…`,
-      kind: event.kind,
-      hintRelayCount: statsRelays.length
-    })
     setLoading(true)
     noteStatsService
-      .fetchNoteStats(event, pubkey, statsRelays, { foreground: foregroundStats })
+      .fetchNoteStats(event, pubkey, statsRelaysRef.current, { foreground: foregroundStats })
       .finally(() => setLoading(false))
     // Intentionally omit `event` object: parent feeds often pass new references each render;
     // id/sig/kind/created_at identify the note for refetch boundaries.
-  }, [event.id, event.kind, event.created_at, event.sig, fetchIfNotExisting, foregroundStats, pubkey, statsRelaysKey])
+    // `statsRelayFetchTier` (not full sorted relay key) avoids a REQ storm when favorites/current relays hydrate.
+  }, [
+    event.id,
+    event.kind,
+    event.created_at,
+    event.sig,
+    fetchIfNotExisting,
+    foregroundStats,
+    pubkey,
+    statsRelayFetchTier,
+    currentRelaysKey
+  ])
 
   if (isSmallScreen) {
     return (

src/components/RelayIcon/index.tsx

@@ -1,5 +1,6 @@
 import { Avatar, AvatarFallback, AvatarImage } from '@/components/ui/avatar'
 import { useFetchRelayInfo } from '@/hooks'
+import { getRelayIconOverrideSrc, relayUrlFingerprintColors } from '@/lib/relay-icon-source'
 import { cn } from '@/lib/utils'
 import logger from '@/lib/logger'
 import { Server } from 'lucide-react'
@@ -45,6 +46,12 @@ export default function RelayIcon({
   const iconUrl = useMemo(() => {
     if (!url) return undefined
 
+    const override = getRelayIconOverrideSrc(url)
+    if (override) {
+      logger.debug('[RelayIcon] using override icon', { url, override })
+      return override
+    }
+
     // Prefer the NIP-11 icon field
     const rawIcon = relayInfo?.icon && typeof relayInfo.icon === 'string' ? relayInfo.icon : undefined
     const nip11Icon = rawIcon ? resolveRelayImageUrl(rawIcon, url) : undefined
@@ -56,11 +63,16 @@ export default function RelayIcon({
     return undefined
   }, [url, relayInfo])
 
+  const fallbackColors = useMemo(() => relayUrlFingerprintColors(url), [url])
+
   return (
     <Avatar className={cn('w-6 h-6', className)}>
       {iconUrl && <AvatarImage src={iconUrl} className="object-cover object-center" />}
-      <AvatarFallback>
-        <Server size={iconSize} />
+      <AvatarFallback
+        className="bg-transparent"
+        style={{ backgroundColor: fallbackColors.background, color: fallbackColors.color }}
+      >
+        <Server size={iconSize} className="opacity-95" aria-hidden />
       </AvatarFallback>
     </Avatar>
   )

src/components/ReplyNoteList/index.tsx

@@ -722,7 +722,7 @@ function ReplyNoteList({
           }
         }
         if (!changed) return prev
-        return { ...prev, pending, version: prev.version + 1 }
+        return { ...prev, pending }
       })
 
       void (async () => {
@@ -769,7 +769,7 @@ function ReplyNoteList({
       })()
     }, THREAD_PROFILE_BATCH_DEBOUNCE_MS)
     return () => window.clearTimeout(handle)
-  }, [event, mergedFeed, parentNoteFeed?.version])
+  }, [event, mergedFeed, parentNoteFeed?.profiles, parentNoteFeed?.pendingPubkeys])
 
   const [timelineKey] = useState<string | undefined>(undefined)
   const [until, setUntil] = useState<number | undefined>(undefined)

src/components/RssUrlThreadStatsBar/index.tsx

@@ -6,7 +6,7 @@ import { useRssUrlThreadQueryRelays } from '@/hooks/useRssUrlThreadQueryRelays'
 import { useNostr } from '@/providers/NostrProvider'
 import { Bookmark, Highlighter, MessageCircle, ThumbsUp } from 'lucide-react'
 import type { Event } from 'nostr-tools'
-import { useEffect, useMemo, useState } from 'react'
+import { useEffect, useMemo, useRef, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 /** Compact reply / reaction / bookmark / highlight counts for RSS + Web URL threads. */
 export default function RssUrlThreadStatsBar({
@@ -18,7 +18,9 @@ export default function RssUrlThreadStatsBar({
 }) {
   const { t } = useTranslation()
   const { pubkey } = useNostr()
-  const { relayUrls: statsRelays, key: statsRelaysKey } = useRssUrlThreadQueryRelays()
+  const { relayUrls: statsRelays, relayMergeTier, currentRelaysKey } = useRssUrlThreadQueryRelays()
+  const statsRelaysRef = useRef(statsRelays)
+  statsRelaysRef.current = statsRelays
   const { hideUntrustedInteractions, isUserTrusted } = useUserTrust()
   const noteStats = useNoteStatsById(event.id)
   const [loading, setLoading] = useState(false)
@@ -26,9 +28,9 @@ export default function RssUrlThreadStatsBar({
   useEffect(() => {
     setLoading(true)
     noteStatsService
-      .fetchNoteStats(event, pubkey, statsRelays, { foreground: true })
+      .fetchNoteStats(event, pubkey, statsRelaysRef.current, { foreground: true })
       .finally(() => setLoading(false))
-  }, [event.id, event.kind, event.created_at, event.sig, pubkey, statsRelaysKey])
+  }, [event.id, event.kind, event.created_at, event.sig, pubkey, relayMergeTier, currentRelaysKey])
 
   const fmt = (n: number) => (n >= 100 ? '99+' : String(n))
 

src/constants.ts

@@ -409,6 +409,7 @@ export const FAST_READ_RELAY_URLS = [
   'wss://nostr21.com',
   'wss://thecitadel.nostr1.com',
   'wss://aggr.nostr.land',
+  'wss://primus.nostr1.com',
 ]
 
 // Optimized relay list for write operations (no aggregator since it's read-only)
@@ -436,8 +437,6 @@ export const SEARCHABLE_RELAY_URLS = [
   'wss://orly-relay.imwald.eu',
   'wss://aggr.nostr.land',
   'wss://thecitadel.nostr1.com',
-  'wss://relay.primal.net',
-  'wss://relay.damus.io',
   'wss://nos.lol',
   'wss://nostr.mom',
   'wss://relay.noswhere.com',
@@ -449,11 +448,8 @@ export const SEARCHABLE_RELAY_URLS = [
 ]
 
 export const PROFILE_RELAY_URLS = [
-  'wss://nos.lol',
-  'wss://relay.damus.io',
   'wss://profiles.nostr1.com',
-  'wss://purplepag.es',
-  'wss://thecitadel.nostr1.com'
+  'wss://purplepag.es'
 ]
 
 export const FOLLOWS_HISTORY_RELAY_URLS = [
@@ -461,7 +457,7 @@ export const FOLLOWS_HISTORY_RELAY_URLS = [
 ]
 
 // Combined relay URLs for profile fetching: search/index relays, fallback inboxes, and profile-specific relays.
-export const PROFILE_FETCH_RELAY_URLS = [...SEARCHABLE_RELAY_URLS, ...FAST_READ_RELAY_URLS, ...PROFILE_RELAY_URLS]
+export const PROFILE_FETCH_RELAY_URLS = [...FAST_READ_RELAY_URLS, ...PROFILE_RELAY_URLS]
 
 export const ExtendedKind = {
   PICTURE: 20,
@@ -576,16 +572,12 @@ export function isNip71StyleVideoKind(kind: number): boolean {
  * When these kinds are ingested via {@link EventService.addEventToCache}, the client prefetches the event
  * author's kind 3 + 10002 (contacts + NIP-65) so profile / relay UIs and publish routing stay warm.
  * Omits reactions/zaps where `pubkey` is not the primary profile identity for the row.
+ *
+ * Empty by default: each hit used to schedule batched relay + IndexedDB work (see
+ * {@link ClientService.prefetchAuthorCoreReplaceables}) and could overwhelm the browser on busy feeds.
+ * Author lists still load from profile views, publish flow, and session prewarm.
  */
-export const AUTHOR_CORE_PREFETCH_ON_INGEST_KINDS: ReadonlySet<number> = new Set<number>([
-  kinds.ShortTextNote,
-  kinds.LongFormArticle,
-  kinds.Repost,
-  ExtendedKind.GENERIC_REPOST,
-  ExtendedKind.PICTURE,
-  ExtendedKind.VOICE,
-  ...NIP71_VIDEO_KINDS
-])
+export const AUTHOR_CORE_PREFETCH_ON_INGEST_KINDS: ReadonlySet<number> = new Set<number>()
 
 /** Short-form portrait-style bucket (kind 22 or 34236). */
 export function isNip71ShortVideoKind(kind: number): boolean {

src/hooks/useFetchProfile.tsx

@@ -9,7 +9,7 @@ import { eventService, replaceableEventService } from '@/services/client.service
 import indexedDb from '@/services/indexed-db.service'
 import { TProfile } from '@/types'
 import { kinds } from 'nostr-tools'
-import { useEffect, useState, useRef, useCallback } from 'react'
+import { useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import logger from '@/lib/logger'
 
 function tryHydrateProfileFromSessionOnly(pubkey: string, skipCache: boolean): TProfile | null {
@@ -58,14 +58,6 @@ const globalFetchingPubkeys = new Set<string>()
 const globalFetchCooldowns = new Map<string, number>() // pubkey -> timestamp when cooldown expires
 
 export function useFetchProfile(id?: string, skipCache = false) {
-  // CRITICAL: Reduce logging to prevent performance issues during infinite loops
-  // Only log if we're actually going to process (not just checking)
-  // logger.info('[useFetchProfile] Hook called', { 
-  //   id: id || 'undefined',
-  //   skipCache,
-  //   stack: new Error().stack?.split('\n').slice(1, 4).join('\n')
-  // })
-  
   const nostr = useNostrOptional()
   const currentAccountProfile = nostr?.profile ?? null
   const noteFeed = useNoteFeedProfileContext()
@@ -83,20 +75,38 @@ export function useFetchProfile(id?: string, skipCache = false) {
   const effectRunCountRef = useRef<Map<string, number>>(new Map()) // Track how many times effect has run for each pubkey (safety guard against infinite loops)
   const initializedPubkeysRef = useRef<Set<string>>(new Set()) // Track pubkeys we've successfully initialized (have profile or failed)
 
+  const pkLowerResolved = useMemo(() => {
+    if (!id) return null as string | null
+    const pk = userIdToPubkey(id)
+    if (pk.length !== 64 || !/^[0-9a-f]{64}$/i.test(pk)) return null
+    return pk.toLowerCase()
+  }, [id])
+
+  const isPendingInFeed = Boolean(
+    pkLowerResolved && noteFeed?.pendingPubkeys.has(pkLowerResolved)
+  )
+
+  /**
+   * Changes when this row's batched profile row appears/updates — **not** on every feed-wide
+   * `version` tick (that remounted thousands of avatars and spammed relay fetches).
+   */
+  const feedProfileSyncKey = useMemo(() => {
+    if (!pkLowerResolved || !noteFeed) return ''
+    const row = noteFeed.profiles.get(pkLowerResolved)
+    if (!row) return isPendingInFeed ? 'p:wait' : 'p:none'
+    return [
+      row.batchPlaceholder ? 'ph' : 'ok',
+      row.username ?? '',
+      row.avatar ?? '',
+      row.npub ?? ''
+    ].join('\x1e')
+  }, [pkLowerResolved, noteFeed?.profiles, isPendingInFeed])
+
   // Function to check for profile updates with GLOBAL deduplication
   // fetchProfileEvent already checks: 1) IndexedDB, 2) network (with author's relays)
   // Memoize to prevent recreation on every render
   const checkProfile = useCallback(async (pubkey: string, cancelled: { current: boolean }): Promise<TProfile | null> => {
-    // CRITICAL: Reduce logging during rapid scrolling to prevent performance issues
-    // Only log at debug level during normal operations
-    logger.debug('[useFetchProfile] checkProfile called', {
-      pubkey: pubkey.substring(0, 8),
-      cancelled: cancelled.current,
-      skipCache
-    })
-    
     if (cancelled.current) {
-      logger.debug('[useFetchProfile] Already cancelled, returning null')
       return null
     }
 
@@ -117,10 +127,6 @@ export function useFetchProfile(id?: string, skipCache = false) {
         effectRunCountRef.current.delete(pubkey)
         return cachedDuringCooldown
       }
-      logger.debug('[useFetchProfile] In cooldown period after timeout, skipping fetch', {
-        pubkey: pubkey.substring(0, 8),
-        remainingMs: cooldownExpiry - Date.now()
-      })
       return null
     }
     // Clean up expired cooldowns
@@ -133,9 +139,6 @@ export function useFetchProfile(id?: string, skipCache = false) {
     // Add timeout protection to prevent infinite waits
     const existingPromise = globalFetchPromises.get(pubkey)
     if (existingPromise) {
-      logger.debug('[useFetchProfile] Reusing existing fetch promise', {
-        pubkey: pubkey.substring(0, 8)
-      })
       try {
         // Await the shared promise only — it already races fetchProfileEvent with
         // PROFILE_FETCH_PROMISE_TIMEOUT_MS. Per-waiter Promise.race timers caused N identical
@@ -160,10 +163,7 @@ export function useFetchProfile(id?: string, skipCache = false) {
         }
       } catch (err) {
         // If the existing promise failed, we'll try again below
-        logger.debug('[useFetchProfile] Existing promise failed, will retry', {
-          pubkey: pubkey.substring(0, 8),
-          error: err instanceof Error ? err.message : String(err)
-        })
+        void err
         // Clear the failed promise so we can start fresh
         globalFetchPromises.delete(pubkey)
         globalFetchingPubkeys.delete(pubkey)
@@ -196,10 +196,7 @@ export function useFetchProfile(id?: string, skipCache = false) {
             return null
           }
         } catch (err) {
-          logger.debug('[useFetchProfile] Retry promise failed', {
-            pubkey: pubkey.substring(0, 8),
-            error: err instanceof Error ? err.message : String(err)
-          })
+          void err
           // Clear the failed promise
           globalFetchPromises.delete(pubkey)
           globalFetchingPubkeys.delete(pubkey)
@@ -213,14 +210,9 @@ export function useFetchProfile(id?: string, skipCache = false) {
       let idbEarlyP: Promise<TProfile | null> | null = null
       try {
         globalFetchingPubkeys.add(pubkey)
-        const startTime = Date.now()
 
         const quick = tryHydrateProfileFromSessionOnly(pubkey, skipCache)
         if (quick) {
-          logger.debug('[useFetchProfile] Profile from session/IndexedDB (fast path)', {
-            pubkey: pubkey.substring(0, 8),
-            hasAvatar: !!quick.avatar
-          })
           return quick
         }
 
@@ -243,68 +235,30 @@ export function useFetchProfile(id?: string, skipCache = false) {
           replaceableEventService.fetchProfileEvent(pubkey, skipCache),
           timeoutPromise
         ])
-        const fetchTime = Date.now() - startTime
-        
-        if (profileEvent || fetchTime > 1000) {
-          logger.debug('[useFetchProfile] fetchProfileEvent completed', {
-            pubkey: pubkey.substring(0, 8),
-            hasEvent: !!profileEvent,
-            eventId: profileEvent?.id?.substring(0, 8),
-            fetchTime: `${fetchTime}ms`
-          })
-        }
-
         if (profileEvent) {
           // getProfileFromEvent always returns a profile object (with fallback username)
           const newProfile = getProfileFromEvent(profileEvent)
-          // Only log at debug level to reduce noise during rapid scrolling
-          logger.debug('[useFetchProfile] Profile found', {
-            pubkey: pubkey.substring(0, 8),
-            username: newProfile.username,
-            hasAvatar: !!newProfile.avatar,
-            fetchTime: `${fetchTime}ms`,
-            unmounted: cancelled.current
-          })
           // CRITICAL: Always return the profile from this shared promise, even when the
           // originating hook cleaned up (list virtualization, Strict Mode, feed switch).
           // Returning null here made every waiter treat the result like a timeout, applied
           // cooldowns, and left avatars empty (especially busy feeds e.g. all-favorites).
           return newProfile
         }
-        // Only log warnings for missing profiles if skipCache is true (user explicitly requested)
-        if (skipCache) {
-          logger.debug('[useFetchProfile] No profile event found', {
-            pubkey: pubkey.substring(0, 8),
-            fetchTime: `${fetchTime}ms`
-          })
-        }
         const afterMiss =
           (idbEarlyP != null ? await idbEarlyP : null) ?? tryHydrateProfileFromSessionOnly(pubkey, skipCache)
         if (afterMiss) {
-          logger.debug('[useFetchProfile] Profile from session/IndexedDB after network miss', {
-            pubkey: pubkey.substring(0, 8),
-            hasAvatar: !!afterMiss.avatar
-          })
           return afterMiss
         }
         return null
       } catch (err) {
         const isTimeout = err instanceof Error && err.message.includes('timeout')
         if (isTimeout) {
-          logger.debug('[useFetchProfile] Profile fetch timed out', {
-            pubkey: pubkey.substring(0, 8),
-            error: err.message
-          })
           // Set cooldown period after timeout to prevent cascade of duplicate fetches
           globalFetchCooldowns.set(pubkey, Date.now() + 10000) // 10 second cooldown
           const fallback =
             tryHydrateProfileFromSessionOnly(pubkey, skipCache) ??
             (idbEarlyP != null ? await idbEarlyP : null)
           if (fallback) {
-            logger.debug('[useFetchProfile] Profile from session/IndexedDB after fetch timeout', {
-              pubkey: pubkey.substring(0, 8),
-              hasAvatar: !!fallback.avatar
-            })
             return fallback
           }
           // Return null on timeout instead of throwing - allows UI to show fallback
@@ -366,9 +320,7 @@ export function useFetchProfile(id?: string, skipCache = false) {
   }, [skipCache])
 
   useEffect(() => {
-    // Early exit when id is missing (e.g. truncated or undefined) - use debug to avoid console spam
     if (!id) {
-      logger.debug('[useFetchProfile] No id provided')
       setProfile(null)
       setPubkey(null)
       setIsFetching(false)
@@ -377,14 +329,12 @@ export function useFetchProfile(id?: string, skipCache = false) {
       return
     }
 
-    // Extract pubkey early to check if id has changed
     const extractedPubkey = userIdToPubkey(id)
 
     // Note feeds: profiles are batch-fetched in NoteList — skip per-row relay storms while pending.
-    // Batch may only synthesize a pubkey row when kind 0 is missing; those must not skip fetchProfileEvent
-    // or avatars stay on identicons forever.
     if (extractedPubkey && noteFeed && !skipCache) {
-      const fromBatch = noteFeed.profiles.get(extractedPubkey)
+      const pkL = extractedPubkey.toLowerCase()
+      const fromBatch = noteFeed.profiles.get(pkL) ?? noteFeed.profiles.get(extractedPubkey)
       if (fromBatch && !fromBatch.batchPlaceholder) {
         setProfile(fromBatch)
         setPubkey(extractedPubkey)
@@ -402,9 +352,8 @@ export function useFetchProfile(id?: string, skipCache = false) {
         setIsFetching(false)
         setError(null)
       }
-      if (noteFeed.pendingPubkeys.has(extractedPubkey)) {
-        const pkLower = extractedPubkey.toLowerCase()
-        const sessionEv = eventService.getSessionMetadataForPubkey(pkLower)
+      if (noteFeed.pendingPubkeys.has(pkL)) {
+        const sessionEv = eventService.getSessionMetadataForPubkey(pkL)
         if (sessionEv) {
           const quick = getProfileFromEvent(sessionEv)
           setProfile(quick)
@@ -420,7 +369,7 @@ export function useFetchProfile(id?: string, skipCache = false) {
         setIsFetching(false)
         setError(null)
         const pendingCancelled = { current: false }
-        void tryHydrateProfileFromLocalCaches(pkLower, false).then((quick) => {
+        void tryHydrateProfileFromLocalCaches(pkL, false).then((quick) => {
           if (pendingCancelled.current || !quick) return
           setProfile(quick)
           setIsFetching(false)
@@ -461,9 +410,6 @@ export function useFetchProfile(id?: string, skipCache = false) {
     }
 
     // Skip only when this pubkey already has an in-flight fetch (global dedupe + local flag).
-    // Do **not** return merely because processingPubkeyRef matches: after a failed or timed-out
-    // fetch, deps can change (e.g. noteFeed.version) while ref is still set — returning here
-    // left the hook stuck forever (blank profile / 404 until hard reload).
     if (extractedPubkey) {
       if (processingPubkeyRef.current === extractedPubkey) {
         const sharedPromise = globalFetchPromises.get(extractedPubkey)
@@ -477,36 +423,23 @@ export function useFetchProfile(id?: string, skipCache = false) {
       processingPubkeyRef.current = extractedPubkey
     }
 
-    // CRITICAL: Early exit if we already have a profile for this pubkey
-    // This prevents re-fetching when we already have the profile
     if (extractedPubkey && profile && profile.pubkey === extractedPubkey && !profile.batchPlaceholder) {
-      // Ensure processingPubkeyRef is set to prevent re-fetch
       if (processingPubkeyRef.current !== extractedPubkey) {
         processingPubkeyRef.current = extractedPubkey
       }
-      // Mark as initialized
       initializedPubkeysRef.current.add(extractedPubkey)
-      // Ensure fetching is false (but don't call setState if already false to avoid re-renders)
       if (isFetching) {
         setIsFetching(false)
       }
-      // Clear run count since we have the profile
       effectRunCountRef.current.delete(extractedPubkey)
       return
     }
 
-    // CRITICAL: Early exit if we've already initialized this pubkey (even if profile is null)
-    // This prevents re-fetching when we've already tried and failed
-    // BUT: Allow retry if skipCache is true (user explicitly wants to refresh)
     if (extractedPubkey && initializedPubkeysRef.current.has(extractedPubkey) && !profile) {
       if (skipCache) {
-        // User wants to refresh - clear initialized flag to allow fresh fetch
         initializedPubkeysRef.current.delete(extractedPubkey)
-        // Also clear run count to allow fresh attempt
         effectRunCountRef.current.delete(extractedPubkey)
       } else {
-        // Already tried and failed - don't retry unless explicitly requested
-        // Ensure fetching is false
         if (isFetching) {
           setIsFetching(false)
         }
@@ -514,55 +447,38 @@ export function useFetchProfile(id?: string, skipCache = false) {
       }
     }
 
-    // CRITICAL: Guard against infinite loops — limit effect runs per pubkey. Feed batch often leaves
-    // {@link batchPlaceholder} rows that need several retries across noteFeed.version bumps; use a higher cap.
     if (extractedPubkey) {
       const runCount = effectRunCountRef.current.get(extractedPubkey) || 0
       const pkLower = extractedPubkey.toLowerCase()
       const feedBatchPlaceholder =
         noteFeed?.profiles.get(pkLower)?.batchPlaceholder === true ||
         noteFeed?.profiles.get(extractedPubkey)?.batchPlaceholder === true
-      const maxRunsBeforeCircuitBreak = feedBatchPlaceholder ? 12 : 3
+      const maxRunsBeforeCircuitBreak = feedBatchPlaceholder ? 6 : 3
       if (runCount >= maxRunsBeforeCircuitBreak) {
         logger.warn('[useFetchProfile] Too many effect runs for this pubkey, preventing infinite loop', {
           extractedPubkey,
           runCount
         })
-        // Clear the run count after a delay to allow retries later
         setTimeout(() => {
           effectRunCountRef.current.delete(extractedPubkey)
-        }, 30000) // Clear after 30 seconds
+        }, 30000)
         processingPubkeyRef.current = null
         if (isFetching) setIsFetching(false)
         return
       }
-      // Only increment if we're actually going to process
       effectRunCountRef.current.set(extractedPubkey, runCount + 1)
     }
 
-    // If id has changed (extractedPubkey is different from processingPubkeyRef), clear the refs
-    // This allows a new fetch to start for a different pubkey
     if (extractedPubkey && processingPubkeyRef.current && processingPubkeyRef.current !== extractedPubkey) {
       const oldPubkey = processingPubkeyRef.current
-      // Clear run count and initialized status for old pubkey before clearing ref
       effectRunCountRef.current.delete(oldPubkey)
       initializedPubkeysRef.current.delete(oldPubkey)
       processingPubkeyRef.current = null
     }
 
     const cancelled = { current: false }
-    // CRITICAL: Reduce logging during rapid scrolling - only log at debug level
-    logger.debug('[useFetchProfile] Extracting pubkey', {
-      idLength: id.length,
-      idStartsWithNpub: id.startsWith('npub1'),
-      idStartsWithNprofile: id.startsWith('nprofile1')
-    })
 
     if (!extractedPubkey) {
-      logger.debug('[useFetchProfile] Invalid id - could not extract pubkey', {
-        idLength: id.length,
-        prefix: id.slice(0, 16)
-      })
       setProfile(null)
       setPubkey(null)
       setIsFetching(false)
@@ -571,13 +487,7 @@ export function useFetchProfile(id?: string, skipCache = false) {
       return
     }
 
-    // Validate pubkey format
     if (extractedPubkey.length !== 64 || !/^[0-9a-f]{64}$/.test(extractedPubkey)) {
-      logger.debug('[useFetchProfile] Invalid pubkey format (non-hex id passed through userIdToPubkey)', {
-        idLength: id.length,
-        extractedLen: extractedPubkey.length,
-        prefix: id.slice(0, 12)
-      })
       setProfile(null)
       setPubkey(null)
       setIsFetching(false)
@@ -586,10 +496,7 @@ export function useFetchProfile(id?: string, skipCache = false) {
       return
     }
 
-    // These checks are now done earlier in the effect (before incrementing run count)
-    // Keeping this as a safety check, but it should rarely be hit now that we set processingPubkeyRef earlier
     if (processingPubkeyRef.current !== extractedPubkey) {
-      // This should never happen now, but keep as safety check
       logger.warn('[useFetchProfile] processingPubkeyRef mismatch (safety check)', {
         extractedPubkey,
         processingPubkey: processingPubkeyRef.current
@@ -598,84 +505,43 @@ export function useFetchProfile(id?: string, skipCache = false) {
     }
 
     if (profile && profile.pubkey === extractedPubkey && !profile.batchPlaceholder) {
-      logger.debug('[useFetchProfile] Already have profile for this pubkey (safety check)', {
-        extractedPubkey
-      })
       setIsFetching(false)
       effectRunCountRef.current.delete(extractedPubkey)
       return
     }
 
-    // processingPubkeyRef is already set earlier (right after extraction)
-    // No need to set it again here
-    
-    // CRITICAL: Only update pubkey state if it's actually different
-    // Avoid state updates that could trigger re-renders and loops
     if (pubkey !== extractedPubkey) {
       setPubkey(extractedPubkey)
     }
-    // CRITICAL: Reduce logging during rapid scrolling
-    logger.debug('[useFetchProfile] Starting profile fetch', {
-      pubkey: extractedPubkey?.substring(0, 8) || 'null'
-    })
 
     const run = async () => {
       try {
         setIsFetching(true)
         setError(null)
 
-        // Initial fetch - fetchReplaceableEvent checks: 1) in-memory, 2) IndexedDB, 3) network
-        // checkProfile now returns the profile directly (or null) and handles global deduplication
         const profile = await checkProfile(extractedPubkey, cancelled)
 
-        // Only log if profile was found or if cancelled (important events)
-        if (profile || cancelled.current) {
-          logger.debug('[useFetchProfile] checkProfile completed', {
-            pubkey: extractedPubkey?.substring(0, 8),
-            found: !!profile,
-            cancelled: cancelled.current
-          })
-        }
-        
         if (cancelled.current) {
-          logger.debug('[useFetchProfile] Cancelled after checkProfile, cleaning up')
           setIsFetching(false)
           return
         }
 
         if (profile) {
-          // Profile found (from cache or network), we're done
-          // checkProfile already set the profile state, so we're done
           return
         }
 
-        logger.debug('[useFetchProfile] No profile found, considering retry')
-        // No profile found yet - set fetching to false so UI can show fallback
-        // The profile will remain null, allowing components to show npub fallback
         setIsFetching(false)
-        setError(null) // Clear any previous errors
+        setError(null)
 
-        // CRITICAL FIX: Disable retry intervals during rapid scrolling to prevent browser crashes
-        // Only retry if skipCache is true (user explicitly wants to refresh)
-        // For normal feed scrolling, missing profiles are acceptable and will be fetched on-demand
-        // This prevents accumulation of hundreds of intervals during rapid scrolling
         if (skipCache) {
-          // If no profile was found, periodically re-check (profiles might load asynchronously)
-          // REDUCED: Check every 10 seconds for up to 30 seconds (3 checks) to prevent too many intervals
-          // This reduces memory usage when many profiles are being fetched (e.g., large search results)
           let checkCount = 0
-          const maxChecks = 3 // Reduced from 4 to further reduce load
+          const maxChecks = 3
           const startTime = Date.now()
-          const maxTotalTime = 20000 // 20 seconds total timeout (3 checks * ~5s + buffer)
+          const maxTotalTime = 20000
 
           checkIntervalRef.current = setInterval(async () => {
-            // CRITICAL: Check for timeout to prevent infinite retries
             const elapsed = Date.now() - startTime
             if (elapsed > maxTotalTime) {
-              logger.warn('[useFetchProfile] Retry interval timeout reached, stopping retries', {
-                pubkey: extractedPubkey?.substring(0, 8),
-                elapsed: `${elapsed}ms`
-              })
               if (checkIntervalRef.current) {
                 clearInterval(checkIntervalRef.current)
                 checkIntervalRef.current = null
@@ -694,27 +560,19 @@ export function useFetchProfile(id?: string, skipCache = false) {
             checkCount++
             const profile = await checkProfile(extractedPubkey, cancelled)
             if (profile || cancelled.current) {
-              // Profile found or cancelled, stop checking
               if (checkIntervalRef.current) {
                 clearInterval(checkIntervalRef.current)
                 checkIntervalRef.current = null
               }
             }
-          }, 10000) // Increased from 5 seconds to 10 seconds to reduce load
-        } else {
-          // For normal feed scrolling, don't set up retry intervals
-          // Profiles will be fetched on-demand when user navigates to profile page
-          // This prevents accumulation of intervals during rapid scrolling
-          logger.debug('[useFetchProfile] Skipping retry intervals for normal feed scrolling', {
-            pubkey: extractedPubkey
-          })
+          }, 10000)
         }
       } catch (err) {
-                 logger.error('[useFetchProfile] run() error', {
-                   pubkey: extractedPubkey,
-                   error: err instanceof Error ? err.message : String(err),
-                   stack: err instanceof Error ? err.stack : undefined
-                 })
+        logger.error('[useFetchProfile] run() error', {
+          pubkey: extractedPubkey,
+          error: err instanceof Error ? err.message : String(err),
+          stack: err instanceof Error ? err.stack : undefined
+        })
         if (!cancelled.current) {
           setError(err as Error)
           setIsFetching(false)
@@ -722,9 +580,6 @@ export function useFetchProfile(id?: string, skipCache = false) {
       }
     }
 
-    logger.debug('[useFetchProfile] About to call run()', {
-      pubkey: extractedPubkey?.substring(0, 8)
-    })
     run().catch((err) => {
       logger.error('[useFetchProfile] Unhandled error in run()', {
         pubkey: extractedPubkey,
@@ -734,26 +589,18 @@ export function useFetchProfile(id?: string, skipCache = false) {
     })
     return () => {
       cancelled.current = true
-      // Only clear processingPubkeyRef if it matches the current pubkey
-      // This prevents clearing it if a new fetch has already started
       if (processingPubkeyRef.current === extractedPubkey) {
         processingPubkeyRef.current = null
       }
-      // CRITICAL: Always clear interval on cleanup to prevent memory leaks
-      // This is especially important during rapid scrolling when many components mount/unmount
       if (checkIntervalRef.current) {
         clearInterval(checkIntervalRef.current)
         checkIntervalRef.current = null
       }
-      // Clear run count and initialized status on cleanup to allow fresh fetches if component remounts
       if (extractedPubkey) {
         effectRunCountRef.current.delete(extractedPubkey)
-        // Don't clear initializedPubkeysRef here - keep it to prevent re-fetching on remount
-        // Only clear it if explicitly requested via skipCache
       }
     }
-    // eslint-disable-next-line react-hooks/exhaustive-deps
-  }, [id, skipCache, noteFeed?.version]) // checkProfile is memoized; noteFeed.version hydrates batch profiles
+  }, [id, skipCache, feedProfileSyncKey, checkProfile])
 
   useEffect(() => {
     const acc = currentAccountProfile

src/hooks/useNoteStatsRelayHints.ts

@@ -6,13 +6,19 @@ import { useMemo } from 'react'
  * Relays to hint for note-stats REQ construction: user favorites plus any “current” relays
  * (e.g. single-relay feed), deduped.
  */
-export function useNoteStatsRelayHints(): { relays: string[]; key: string } {
+export function useNoteStatsRelayHints(): {
+  relays: string[]
+  key: string
+  /** Sorted join of “current” relays only (small); use in effects when favorites tier is stable. */
+  currentRelaysKey: string
+} {
   const { favoriteRelays } = useFavoriteRelays()
   const currentRelayUrls = useCurrentRelayUrlsOptional()
 
   return useMemo(() => {
     const relays = [...new Set([...(favoriteRelays ?? []), ...currentRelayUrls])]
     const key = relays.slice().sort().join('|')
-    return { relays, key }
+    const currentRelaysKey = currentRelayUrls.slice().sort().join('|')
+    return { relays, key, currentRelaysKey }
   }, [favoriteRelays, currentRelayUrls])
 }

src/hooks/useRssUrlThreadQueryRelays.ts

@@ -9,10 +9,15 @@ import { useNoteStatsRelayHints } from './useNoteStatsRelayHints'
  * Relay set for RSS+Web article URL thread REQs: inbox/favorites/fast-read merge (same as URL discovery)
  * plus {@link useNoteStatsRelayHints} (current relay context).
  */
-export function useRssUrlThreadQueryRelays(): { relayUrls: string[]; key: string } {
+export function useRssUrlThreadQueryRelays(): {
+  relayUrls: string[]
+  key: string
+  relayMergeTier: number
+  currentRelaysKey: string
+} {
   const { pubkey } = useNostr()
   const { favoriteRelays, blockedRelays } = useFavoriteRelays()
-  const { relays: hintRelays, key: hintKey } = useNoteStatsRelayHints()
+  const { relays: hintRelays, key: hintKey, currentRelaysKey } = useNoteStatsRelayHints()
   const [baseUrls, setBaseUrls] = useState<string[]>([])
   const [baseKey, setBaseKey] = useState('')
 
@@ -35,6 +40,8 @@ export function useRssUrlThreadQueryRelays(): { relayUrls: string[]; key: string
   return useMemo(() => {
     const merged = [...new Set([...baseUrls, ...hintRelays])]
     const relayUrls = merged.length > 0 ? merged : [...FAST_READ_RELAY_URLS]
-    return { relayUrls, key: `${baseKey}::${hintKey}::${relayUrls.length}` }
-  }, [baseUrls, baseKey, hintRelays, hintKey])
+    /** Coarse tier for effects: avoids refetching on every relay-url permutation once hints exist. */
+    const relayMergeTier = (baseUrls.length > 0 ? 2 : 0) | (hintRelays.length > 0 ? 1 : 0)
+    return { relayUrls, key: `${baseKey}::${hintKey}::${relayUrls.length}`, relayMergeTier, currentRelaysKey }
+  }, [baseUrls, baseKey, hintRelays, hintKey, currentRelaysKey])
 }

src/lib/logger.ts

@@ -2,11 +2,12 @@
  * Centralized logging utility.
  *
  * Level matrix:
- *   dev + debug flag  → debug / info / warn / error  (full formatted output)
- *   dev (no flag)     → info / warn / error           (formatted, no stack)
- *   production        → warn / error only             (bare console — no timestamp string built)
+ *   dev (default)     → debug / info / warn / error  (full formatted output; `logger.debug` on)
+ *   dev + opt-out     → info / warn / error          (set `imwald-debug` or `jumble-debug` to `false`)
+ *   production        → warn / error only            (bare console — no timestamp string built)
  *
- * Enable debug in dev: localStorage.setItem('jumble-debug', 'true') then reload.
+ * Opt out in dev: `localStorage.setItem('imwald-debug', 'false')` then reload.
+ * Force on (e.g. prod build): `VITE_DEBUG=true` or localStorage … `'true'`.
  */
 
 type LogLevel = 'debug' | 'info' | 'warn' | 'error'
@@ -19,11 +20,15 @@ class Logger {
   private minLevel: LogLevel
 
   constructor() {
-    this.enableDebug =
-      this.isDev &&
-      (localStorage.getItem('imwald-debug') === 'true' ||
-        localStorage.getItem('jumble-debug') === 'true' ||
-        import.meta.env.VITE_DEBUG === 'true')
+    const explicitOff =
+      localStorage.getItem('imwald-debug') === 'false' ||
+      localStorage.getItem('jumble-debug') === 'false'
+    const explicitOn =
+      localStorage.getItem('imwald-debug') === 'true' ||
+      localStorage.getItem('jumble-debug') === 'true' ||
+      import.meta.env.VITE_DEBUG === 'true'
+    // `npm run dev`: debug on by default so relay/query/cache traces are visible without localStorage.
+    this.enableDebug = this.isDev && (explicitOn || !explicitOff)
 
     // In production only warn/error reach the console — info is noise for end-users.
     this.minLevel = this.enableDebug ? 'debug' : this.isDev ? 'info' : 'warn'

src/lib/relay-icon-source.ts

@@ -0,0 +1,73 @@
+import { normalizeUrl } from '@/lib/url'
+import { isWispTrendingNotesRelayUrl } from '@/lib/wisp-trending-relay'
+
+/**
+ * Site favicon for nostr.sovbit (same as the browser tab icon on `/invoices` and the rest of the host).
+ * @see https://nostr.sovbit.host/invoices
+ */
+export const NOSTR_SOVBIT_ICON_SRC = 'https://nostr.sovbit.host/favicon.ico'
+
+/**
+ * Free relay slice — distinct branding from paid nostr.sovbit.
+ * @see https://freelay.sovbit.host/
+ */
+export const FREELAY_SOVBIT_ICON_SRC = 'https://freelay.sovbit.host/favicon.ico'
+
+/**
+ * Nostr Archives front-site favicon for trending shards and related relay hosts.
+ * @see https://nostrarchives.com/
+ */
+export const NOSTRARCHIVES_SITE_ICON_SRC = 'https://nostrarchives.com/favicon.ico'
+
+function parseRelayHostname(url: string): string | undefined {
+  const raw = (normalizeUrl(url) || url).trim()
+  const forParse = raw.replace(/^ws:\/\//i, 'http://').replace(/^wss:\/\//i, 'https://')
+  try {
+    return new URL(forParse).hostname.toLowerCase()
+  } catch {
+    return undefined
+  }
+}
+
+/**
+ * Static icon URL for relays where NIP-11 is missing or we want a consistent mark (tab favicon).
+ * Checked before NIP-11 `icon` in {@link RelayIcon}.
+ */
+export function getRelayIconOverrideSrc(url: string | undefined): string | undefined {
+  if (!url) return undefined
+  const host = parseRelayHostname(url)
+  if (!host) return undefined
+  if (host === 'nostr.sovbit.host') {
+    return NOSTR_SOVBIT_ICON_SRC
+  }
+  if (host === 'freelay.sovbit.host') {
+    return FREELAY_SOVBIT_ICON_SRC
+  }
+  if (
+    isWispTrendingNotesRelayUrl(url) ||
+    host === 'feeds.nostrarchives.com' ||
+    host === 'nostrarchives.com'
+  ) {
+    return NOSTRARCHIVES_SITE_ICON_SRC
+  }
+  return undefined
+}
+
+/** FNV-1a-ish fingerprint → HSL for a per-relay fallback swatch (no network). */
+export function relayUrlFingerprintColors(url: string | undefined): {
+  background: string
+  color: string
+} {
+  const raw = url ?? ''
+  const s = ((normalizeUrl(raw) || raw || '?').trim().toLowerCase())
+  let h = 2166136261 >>> 0
+  for (let i = 0; i < s.length; i++) {
+    h ^= s.charCodeAt(i)
+    h = Math.imul(h, 16777619) >>> 0
+  }
+  const hue = h % 360
+  return {
+    background: `hsl(${hue} 50% 36%)`,
+    color: `hsl(${hue} 35% 96%)`
+  }
+}

src/services/client-events.service.ts

@@ -104,6 +104,18 @@ export class EventService {
   private sessionEventCache = new LRUCache<string, NEvent>({ max: getDefaultSessionLruMaxSync() })
   /** Latest kind-0 per pubkey from {@link sessionEventCache} for batch profile short-circuit. */
   private sessionMetadataByPubkey = new Map<string, NEvent>()
+  /** Ingest coalescing: max `created_at` already queued for durable replaceable cache (coordinate → ts). */
+  private ingestReplaceablePersistMaxCreatedAt = new Map<string, number>()
+
+  private trimIngestReplaceablePersistMap(): void {
+    const MAX = 12_000
+    while (this.ingestReplaceablePersistMaxCreatedAt.size > MAX) {
+      const k = this.ingestReplaceablePersistMaxCreatedAt.keys().next().value
+      if (k === undefined) break
+      this.ingestReplaceablePersistMaxCreatedAt.delete(k)
+    }
+  }
+
   /** Callbacks waiting for an event id to appear in {@link sessionEventCache} (e.g. embed loads before timeline caches the note). */
   private sessionEventWaiters = new Map<string, Set<() => void>>()
   /** Waiters keyed like {@link replaceableWaiterKey} — naddr embeds have no hex id until a REQ returns. */
@@ -542,7 +554,13 @@ export class EventService {
       (cleanEvent.kind === kinds.RelayList || cleanEvent.kind === kinds.Contacts) &&
       indexedDb.hasReplaceableEventStoreForKind(cleanEvent.kind)
     ) {
-      void client.replaceableEventService.updateReplaceableEventCache(cleanEvent as NEvent).catch(() => {})
+      const coord = normalizeReplaceableCoordinateString(getReplaceableCoordinateFromEvent(cleanEvent as NEvent))
+      const prev = this.ingestReplaceablePersistMaxCreatedAt.get(coord) ?? -1
+      if (cleanEvent.created_at > prev) {
+        this.ingestReplaceablePersistMaxCreatedAt.set(coord, cleanEvent.created_at)
+        this.trimIngestReplaceablePersistMap()
+        void client.replaceableEventService.updateReplaceableEventCache(cleanEvent as NEvent).catch(() => {})
+      }
     }
     if (AUTHOR_CORE_PREFETCH_ON_INGEST_KINDS.has(cleanEvent.kind)) {
       const pk = cleanEvent.pubkey
@@ -554,25 +572,30 @@ export class EventService {
     this.notifyReplaceableCoordinateWaiters(cleanEvent as NEvent)
     queuePersistSeenEvent(cleanEvent as NEvent)
     if (isReplaceableEvent(cleanEvent.kind) && isDocumentRelayKind(cleanEvent.kind)) {
-      // Long-form (30023), wiki, and publication replaceables — same store as profile “Articles” tab.
-      void indexedDb.putReplaceableEvent(cleanEvent as NEvent).catch((error: unknown) => {
-        const err = error instanceof Error ? error : new Error(String(error))
-        const q = err.name === 'QuotaExceededError' || /quota|storage/i.test(err.message)
-        if (q) {
-          logger.debug('[EventService] Skipped document replaceable IndexedDB persist (storage quota)', {
+      const docCoord = normalizeReplaceableCoordinateString(getReplaceableCoordinateFromEvent(cleanEvent as NEvent))
+      const docPrev = this.ingestReplaceablePersistMaxCreatedAt.get(docCoord) ?? -1
+      if (cleanEvent.created_at > docPrev) {
+        this.ingestReplaceablePersistMaxCreatedAt.set(docCoord, cleanEvent.created_at)
+        this.trimIngestReplaceablePersistMap()
+        void indexedDb.putReplaceableEvent(cleanEvent as NEvent).catch((error: unknown) => {
+          const err = error instanceof Error ? error : new Error(String(error))
+          const q = err.name === 'QuotaExceededError' || /quota|storage/i.test(err.message)
+          if (q) {
+            logger.debug('[EventService] Skipped document replaceable IndexedDB persist (storage quota)', {
+              kind: cleanEvent.kind,
+              eventId: id
+            })
+            return
+          }
+          logger.warn('[EventService] Failed to persist document replaceable to IndexedDB', {
             kind: cleanEvent.kind,
-            eventId: id
+            eventId: id,
+            errorMessage: err.message,
+            errorName: err.name,
+            error: err
           })
-          return
-        }
-        logger.warn('[EventService] Failed to persist document replaceable to IndexedDB', {
-          kind: cleanEvent.kind,
-          eventId: id,
-          errorMessage: err.message,
-          errorName: err.name,
-          error: err
         })
-      })
+      }
     }
     if (isCalendarEventKind(cleanEvent.kind)) {
       void indexedDb.putCalendarEventRow(cleanEvent as NEvent).catch((error: unknown) => {

src/services/client.service.ts

@@ -155,6 +155,7 @@ import {
 import { sha256 } from '@noble/hashes/sha2'
 import dayjs from 'dayjs'
 import FlexSearch from 'flexsearch'
+import { LRUCache } from 'lru-cache'
 import {
   EventTemplate,
   Filter,
@@ -300,7 +301,14 @@ class ClientService extends EventTarget {
   private sessionPrewarmBaseCompleted = false
   /** Per-pubkey cooldown for {@link prefetchAuthorCoreReplaceables} from feed ingest (avoid REQ storms). */
   private authorCorePrefetchCooldownUntilMs = new Map<string, number>()
-  private static readonly AUTHOR_CORE_PREFETCH_COOLDOWN_MS = 90_000
+  private static readonly AUTHOR_CORE_PREFETCH_COOLDOWN_MS = 6 * 60 * 1000
+  /**
+   * Max kind-0 `created_at` already queued for IndexedDB from {@link QueryService} ingest (same profile
+   * re-emitted across relays/batches should not each open tombstone + get + put).
+   */
+  private ingestProfileIdbMaxCreatedAt = new Map<string, number>()
+  /** Dedupe {@link addUsernameToIndex} for the same kind-0 id (multi-relay / re-REQ spam). */
+  private metadataIngestIndexDedupe = new LRUCache<string, true>({ max: 12_000 })
 
   constructor() {
     super()
@@ -346,8 +354,18 @@ class ClientService extends EventTarget {
         this.eventService.addEventToCache(e)
         // Kind 0 from timelines/REQs was only kept in the session LRU, not in PROFILE_EVENTS or FlexSearch,
         // so @-mention / profile search missed people you already saw on feeds (e.g. notifications).
-        if (e.kind === kinds.Metadata && !shouldDropEventOnIngest(e)) {
+        if (e.kind !== kinds.Metadata || shouldDropEventOnIngest(e)) continue
+        const pk = e.pubkey.toLowerCase()
+        const best = this.eventService.getSessionMetadataForPubkey(pk)
+        if (!best || best.id !== e.id) continue
+        if (!this.metadataIngestIndexDedupe.has(e.id)) {
+          this.metadataIngestIndexDedupe.set(e.id, true)
           void this.addUsernameToIndex(e)
+        }
+        const prev = this.ingestProfileIdbMaxCreatedAt.get(pk) ?? -1
+        if (e.created_at > prev) {
+          this.ingestProfileIdbMaxCreatedAt.set(pk, e.created_at)
+          this.trimIngestProfileIdbMap()
           void indexedDb.putReplaceableEvent(e).catch(() => {})
         }
       }
@@ -3681,6 +3699,15 @@ class ClientService extends EventTarget {
     return out
   }
 
+  private trimIngestProfileIdbMap(): void {
+    const MAX = 10_000
+    while (this.ingestProfileIdbMaxCreatedAt.size > MAX) {
+      const k = this.ingestProfileIdbMaxCreatedAt.keys().next().value
+      if (k === undefined) break
+      this.ingestProfileIdbMaxCreatedAt.delete(k)
+    }
+  }
+
   private async addUsernameToIndex(profileEvent: NEvent) {
     try {
       const profileObj = JSON.parse(profileEvent.content)

src/services/event-archive.service.ts

@@ -20,6 +20,12 @@ const CORE_FEED_KINDS = new Set<number>([
 let footprint: { count: number; bytes: number } | null = null
 const pending = new Map<string, Event>()
 let flushTimer: ReturnType<typeof setTimeout> | null = null
+let archiveFlushInProgress = false
+
+/** Hard cap so a relay flood cannot grow an unbounded RAM queue before the first flush. */
+const MAX_PENDING_ARCHIVE = 4000
+/** IndexedDB + trim work per flush so one timer tick cannot process tens of thousands of rows. */
+const MAX_ARCHIVE_ROWS_PER_FLUSH = 150
 
 export function invalidateArchiveFootprintCache(): void {
   footprint = null
@@ -77,26 +83,46 @@ async function trimArchiveIfNeeded(): Promise<void> {
 }
 
 async function flushArchiveQueue(): Promise<void> {
-  if (pending.size === 0) return
-  const batch = [...pending.values()]
-  pending.clear()
-  for (const ev of batch) {
-    if (shouldSkipArchiving(ev)) continue
-    const id = /^[0-9a-f]{64}$/i.test(ev.id) ? ev.id.toLowerCase() : ev.id
-    const tier = archiveTierForEvent(ev)
-    const bytes = approxEventBytes(ev)
-    try {
-      await indexedDb.putArchivedEventRow(ev, tier, bytes)
-    } catch (e) {
-      logger.warn('[EventArchive] put failed', { id: id.slice(0, 8), e })
+  if (archiveFlushInProgress) return
+  archiveFlushInProgress = true
+  try {
+    while (pending.size > 0) {
+      const batch: Event[] = []
+      for (const id of pending.keys()) {
+        if (batch.length >= MAX_ARCHIVE_ROWS_PER_FLUSH) break
+        const ev = pending.get(id)
+        if (ev) {
+          pending.delete(id)
+          batch.push(ev)
+        }
+      }
+      if (batch.length === 0) break
+      for (const ev of batch) {
+        if (shouldSkipArchiving(ev)) continue
+        const id = /^[0-9a-f]{64}$/i.test(ev.id) ? ev.id.toLowerCase() : ev.id
+        const tier = archiveTierForEvent(ev)
+        const bytes = approxEventBytes(ev)
+        try {
+          await indexedDb.putArchivedEventRow(ev, tier, bytes)
+        } catch (e) {
+          logger.warn('[EventArchive] put failed', { id: id.slice(0, 8), e })
+        }
+      }
     }
+    footprint = await indexedDb.getArchiveFootprint()
+    await trimArchiveIfNeeded()
+  } catch (e) {
+    logger.warn('[EventArchive] flush failed', { e })
+  } finally {
+    archiveFlushInProgress = false
+  }
+  if (pending.size > 0) {
+    void flushArchiveQueue().catch((e) => logger.warn('[EventArchive] flush', e))
   }
-  footprint = await indexedDb.getArchiveFootprint()
-  await trimArchiveIfNeeded()
 }
 
 function scheduleFlush(): void {
-  if (flushTimer !== null) return
+  if (flushTimer !== null || archiveFlushInProgress) return
   flushTimer = setTimeout(() => {
     flushTimer = null
     void flushArchiveQueue().catch((e) => logger.warn('[EventArchive] flush', e))
@@ -108,6 +134,11 @@ export function queuePersistSeenEvent(ev: Event): void {
   if (shouldSkipArchiving(ev)) return
   const id = /^[0-9a-f]{64}$/i.test(ev.id) ? ev.id.toLowerCase() : ev.id
   if (!/^[0-9a-f]{64}$/.test(id)) return
+  while (pending.size >= MAX_PENDING_ARCHIVE) {
+    const first = pending.keys().next().value
+    if (first === undefined) break
+    pending.delete(first)
+  }
   pending.set(id, ev)
   scheduleFlush()
 }

src/services/indexed-db.service.ts

@@ -258,6 +258,13 @@ class IndexedDbService {
   private initPromise: Promise<void> | null = null
   /** Browser timer id (DOM `setTimeout` returns a number). */
   private cleanupTimer: number | null = null
+  /**
+   * Short-lived negative cache for {@link isTombstoned}: most keys are not tombstoned; ingest can probe
+   * the same coordinate many times. TTL avoids stale reads if another tab tombstones (eventually).
+   */
+  private tombstoneNotUntilMs = new Map<string, number>()
+  private static readonly TOMBSTONE_NOT_CACHE_TTL_MS = 45_000
+  private static readonly TOMBSTONE_NOT_CACHE_MAX = 4096
 
   /** First TTL sweep after DB open (profile / relay list rows). */
   private static readonly CLEANUP_INITIAL_DELAY_MS = 60 * 1000
@@ -2882,11 +2889,33 @@ class IndexedDbService {
     )
   }
 
+  private rememberTombstoneNot(key: string): void {
+    const until = Date.now() + IndexedDbService.TOMBSTONE_NOT_CACHE_TTL_MS
+    this.tombstoneNotUntilMs.set(key, until)
+    while (this.tombstoneNotUntilMs.size > IndexedDbService.TOMBSTONE_NOT_CACHE_MAX) {
+      const first = this.tombstoneNotUntilMs.keys().next().value
+      if (first === undefined) break
+      this.tombstoneNotUntilMs.delete(first)
+    }
+  }
+
+  private invalidateTombstoneNotCache(key: string): void {
+    this.tombstoneNotUntilMs.delete(key)
+  }
+
   /**
    * Check if an event is tombstoned (deleted)
    */
   async isTombstoned(key: string): Promise<boolean> {
     await this.initPromise
+    const now = Date.now()
+    const until = this.tombstoneNotUntilMs.get(key)
+    if (until !== undefined && now < until) {
+      return false
+    }
+    if (until !== undefined && now >= until) {
+      this.tombstoneNotUntilMs.delete(key)
+    }
     return new Promise((resolve) => {
       if (!this.db) {
         return resolve(false)
@@ -2901,7 +2930,13 @@ class IndexedDbService {
       request.onsuccess = () => {
         const row = request.result as TValue | undefined
         transaction.commit()
-        resolve(row !== undefined && row.value !== null)
+        const tombstoned = row !== undefined && row.value !== null
+        if (!tombstoned) {
+          this.rememberTombstoneNot(key)
+        } else {
+          this.invalidateTombstoneNotCache(key)
+        }
+        resolve(tombstoned)
       }
 
       request.onerror = () => {