bug-fixes

src/components/NotFound/index.tsx

@@ -1,12 +1,14 @@
 import { useTranslation } from 'react-i18next'
+import type { ReactNode } from 'react'
 
-export default function NotFound() {
+export default function NotFound({ children }: { children?: ReactNode }) {
   const { t } = useTranslation()
 
   return (
-    <div className="text-muted-foreground w-full h-full flex flex-col items-center justify-center gap-2">
+    <div className="text-muted-foreground w-full h-full flex flex-col items-center justify-center gap-2 px-4">
       <div>{t('Lost in the void')} 🌌</div>
       <div>(404)</div>
+      {children}
     </div>
   )
 }

src/components/Profile/index.tsx

@@ -58,6 +58,7 @@ import {
 import { useTranslation } from 'react-i18next'
 import { toast } from 'sonner'
 import logger from '@/lib/logger'
+import { AlexandriaEventsSearchEmptyCta } from '@/components/AlexandriaEventsSearchEmptyCta'
 import NotFound from '../NotFound'
 import FollowedBy from './FollowedBy'
 import ProfileFeedWithPins from './ProfileFeedWithPins'
@@ -221,11 +222,14 @@ function mergePaymentMethods(
 
 export default function Profile({
   id,
-  feedRef
+  feedRef,
+  alexandriaNotFoundHref = null
 }: {
   id?: string
   /** When set, exposes {@link ProfileFeedWithPins} `refresh` for titlebars / parent pages. */
   feedRef?: Ref<{ refresh: () => void }>
+  /** When profile lookup fails, link to Alexandria with the same identifier (search / deep link). */
+  alexandriaNotFoundHref?: string | null
 }) {
   const { t } = useTranslation()
   const { push } = useSecondaryPage()
@@ -487,7 +491,13 @@ export default function Profile({
       </>
     )
   }
-  if (!profile && !isFetching) return <NotFound />
+  if (!profile && !isFetching) {
+    return (
+      <NotFound>
+        {alexandriaNotFoundHref ? <AlexandriaEventsSearchEmptyCta href={alexandriaNotFoundHref} /> : null}
+      </NotFound>
+    )
+  }
   
   if (!profile) return null // TypeScript guard - should never reach here but satisfies type checker
 

src/components/ProfileListBySearch/index.tsx

@@ -1,7 +1,6 @@
 import { useSecondaryPage } from '@/PageManager'
 import { PROFILE_RELAY_URLS } from '@/constants'
 import { decodeProfileSearchQueryToPubkeyHex } from '@/lib/profile-search-query'
-import { buildAlexandriaEventsSearchUrlForTSearchParams } from '@/lib/alexandria-events-search-url'
 import { toProfile } from '@/lib/link'
 import { normalizeUrl } from '@/lib/url'
 import client from '@/services/client.service'
@@ -18,7 +17,13 @@ const PROFILE_SEARCH_RELAY_URLS = Array.from(
   new Set(PROFILE_RELAY_URLS.map((u) => normalizeUrl(u) || u).filter(Boolean))
 )
 
-export function ProfileListBySearch({ search }: { search: string }) {
+export function ProfileListBySearch({
+  search,
+  alexandriaEmptyHref = null
+}: {
+  search: string
+  alexandriaEmptyHref?: string | null
+}) {
   const { t } = useTranslation()
   const { push } = useSecondaryPage()
   const [pubkeys, setPubkeys] = useState<string[]>([])
@@ -180,12 +185,7 @@ export function ProfileListBySearch({ search }: { search: string }) {
       {phase === 'ready' && empty && (
         <div className="flex flex-col items-center py-6 text-center text-sm text-muted-foreground">
           <p>{t('Profile search no results')}</p>
-          {(() => {
-            const trimmed = search.trim()
-            if (!trimmed) return null
-            const href = buildAlexandriaEventsSearchUrlForTSearchParams({ type: 'profiles', search })
-            return href ? <AlexandriaEventsSearchEmptyCta href={href} /> : null
-          })()}
+          {alexandriaEmptyHref ? <AlexandriaEventsSearchEmptyCta href={alexandriaEmptyHref} /> : null}
         </div>
       )}
       {pubkeys.map((pubkey, index) => (

src/components/Relay/index.tsx

@@ -13,12 +13,23 @@ import type { TFeedSubRequest } from '@/types'
 import { kinds, type Event } from 'nostr-tools'
 import { forwardRef, useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import { useTranslation } from 'react-i18next'
+import { AlexandriaEventsSearchEmptyCta } from '@/components/AlexandriaEventsSearchEmptyCta'
+import { buildAlexandriaEventsSearchUrlFromNotesQuery } from '@/lib/alexandria-events-search-url'
 import NotFound from '../NotFound'
 
 const Relay = forwardRef<
   TNoteListRef,
-  { url?: string; className?: string; hostPrimaryPageName?: TPrimaryPageName }
->(function Relay({ url, className, hostPrimaryPageName }, ref) {
+  {
+    url?: string
+    className?: string
+    hostPrimaryPageName?: TPrimaryPageName
+    alexandriaEmptyUrl?: string | null
+    alexandriaNotFoundHref?: string | null
+  }
+>(function Relay(
+  { url, className, hostPrimaryPageName, alexandriaEmptyUrl = null, alexandriaNotFoundHref = null },
+  ref
+) {
   const { t } = useTranslation()
   const { addRelayUrls, removeRelayUrls } = useCurrentRelays()
   const { showKinds } = useKindFilterOrDefaults()
@@ -113,8 +124,18 @@ const Relay = forwardRef<
     [relaySeenMatchKey, normalizedUrl]
   )
 
+  const alexandriaFeedEmptyUrl = useMemo(() => {
+    const q = debouncedInput.trim()
+    if (q) return buildAlexandriaEventsSearchUrlFromNotesQuery(q)
+    return alexandriaEmptyUrl
+  }, [debouncedInput, alexandriaEmptyUrl])
+
   if (!normalizedUrl) {
-    return <NotFound />
+    return (
+      <NotFound>
+        {alexandriaNotFoundHref ? <AlexandriaEventsSearchEmptyCta href={alexandriaNotFoundHref} /> : null}
+      </NotFound>
+    )
   }
 
   return (
@@ -140,6 +161,7 @@ const Relay = forwardRef<
         extraShouldHideEvent={shouldHideEventNotFromThisRelay}
         extraShouldHideRepliesEvent={shouldHideEventNotFromThisRelay}
         relayAuthoritativeFeedOnly
+        alexandriaEmptyUrl={alexandriaFeedEmptyUrl}
       />
     </div>
   )

src/components/ReplyNoteList/index.tsx

@@ -76,17 +76,8 @@ type TRootInfo =
 
 const LIMIT = 200
 const SHOW_COUNT = 10
-const MAX_KINDS_PER_THREAD_REQ_FILTER = 4
 /** Some relays cap `#e` array length; chunk parent-id batches for nested-thread REQs. */
 const MAX_PARENT_IDS_PER_NESTED_REQ = 64
-
-function chunkKindsForThreadReq(list: readonly number[], size = MAX_KINDS_PER_THREAD_REQ_FILTER): number[][] {
-  const out: number[][] = []
-  for (let i = 0; i < list.length; i += size) {
-    out.push([...list.slice(i, i + size)])
-  }
-  return out
-}
 /** Short debounce so thread / detail headers populate avatars quickly after events arrive. */
 const THREAD_PROFILE_BATCH_DEBOUNCE_MS = 400
 const THREAD_PROFILE_CHUNK = 80
@@ -1149,7 +1140,7 @@ function ReplyNoteList({
               ...NOTE_STATS_OP_REFERENCE_KINDS_WITHOUT_HIGHLIGHT
             ])
           ).sort((a, b) => a - b)
-          const opRefChunks = chunkKindsForThreadReq(NOTE_STATS_OP_REFERENCE_KINDS_WITHOUT_HIGHLIGHT)
+          const opRefKinds = [...NOTE_STATS_OP_REFERENCE_KINDS_WITHOUT_HIGHLIGHT]
           const kindsNoteCommentVoiceZap: number[] = [
             kinds.ShortTextNote,
             ExtendedKind.COMMENT,
@@ -1169,8 +1160,6 @@ function ReplyNoteList({
               : [ExtendedKind.COMMENT, ExtendedKind.VOICE_COMMENT, kinds.Zap]
 
           if (rootInfo.type === 'E') {
-            // Fetch all reply types for event-based replies (keep ≤4 kinds per filter — some relays
-            // NOTICE "too many kinds N" and drop the whole REQ if kind 7 is bundled with four others).
             filters.push({
               '#e': [rootInfo.id],
               kinds: kindsPrimaryThread,
@@ -1200,10 +1189,8 @@ function ReplyNoteList({
                 limit: LIMIT
               })
             }
-            for (const chunk of opRefChunks) {
-              filters.push({ '#e': [rootInfo.id], kinds: chunk, limit: LIMIT })
-              filters.push({ '#E': [rootInfo.id], kinds: chunk, limit: LIMIT })
-            }
+            filters.push({ '#e': [rootInfo.id], kinds: opRefKinds, limit: LIMIT })
+            filters.push({ '#E': [rootInfo.id], kinds: opRefKinds, limit: LIMIT })
           } else if (rootInfo.type === 'A') {
             // Fetch all reply types for replaceable event-based replies
             filters.push(
@@ -1237,10 +1224,8 @@ function ReplyNoteList({
                 kinds: [kinds.Reaction],
                 limit: LIMIT
               })
-              for (const chunk of opRefChunks) {
-                filters.push({ '#e': [eSnap], kinds: chunk, limit: LIMIT })
-                filters.push({ '#E': [eSnap], kinds: chunk, limit: LIMIT })
-              }
+              filters.push({ '#e': [eSnap], kinds: opRefKinds, limit: LIMIT })
+              filters.push({ '#E': [eSnap], kinds: opRefKinds, limit: LIMIT })
             }
             const qVals = Array.from(
               new Set(
@@ -1259,10 +1244,8 @@ function ReplyNoteList({
             if (rootInfo.relay) {
               finalRelayUrls.push(rootInfo.relay)
             }
-            for (const chunk of opRefChunks) {
-              filters.push({ '#a': [rootInfo.id], kinds: chunk, limit: LIMIT })
-              filters.push({ '#A': [rootInfo.id], kinds: chunk, limit: LIMIT })
-            }
+            filters.push({ '#a': [rootInfo.id], kinds: opRefKinds, limit: LIMIT })
+            filters.push({ '#A': [rootInfo.id], kinds: opRefKinds, limit: LIMIT })
           } else if (rootInfo.type === 'I') {
             filters.push(...buildRssArticleUrlThreadInteractionFilters(rootInfo.id, LIMIT))
           }

src/components/SearchResult/FullTextSearchByRelay.tsx

@@ -231,11 +231,13 @@ function sortRelaysByHost(urls: readonly string[]): string[] {
 export default function FullTextSearchByRelay({
   searchQuery,
   relayUrls,
-  kinds
+  kinds,
+  alexandriaEmptyHref: alexandriaEmptyHrefProp = null
 }: {
   searchQuery: string
   relayUrls: readonly string[]
   kinds: readonly number[]
+  alexandriaEmptyHref?: string | null
 }) {
   const { t } = useTranslation()
   const { navigateToRelay } = useSmartRelayNavigationOptional() ?? {
@@ -250,10 +252,10 @@ export default function FullTextSearchByRelay({
   const normalizedRelays = useMemo(() => normalizeRelayList(relayUrls), [relayUrls])
 
   const q = searchQuery.trim()
-  const alexandriaEmptyHref = useMemo(
-    () => (q ? buildAlexandriaEventsSearchUrlFromNotesQuery(q) : null),
-    [q]
-  )
+  const alexandriaEmptyHref = useMemo(() => {
+    if (alexandriaEmptyHrefProp) return alexandriaEmptyHrefProp
+    return q ? buildAlexandriaEventsSearchUrlFromNotesQuery(q) : null
+  }, [alexandriaEmptyHrefProp, q])
   const searchProfileResetKey = useMemo(
     () => `${q}\n${normalizedRelays.join('\n')}`,
     [q, normalizedRelays]

src/components/SearchResult/index.tsx

@@ -9,7 +9,7 @@ import { useNostr } from '@/providers/NostrProvider'
 import { useFavoriteRelays } from '@/providers/FavoriteRelaysProvider'
 import client from '@/services/client.service'
 import { normalizeUrl } from '@/lib/url'
-import { buildAlexandriaEventsUrlForHashtagParam } from '@/lib/alexandria-events-search-url'
+import { buildAlexandriaEventsSearchUrlForTSearchParams } from '@/lib/alexandria-events-search-url'
 import { useLayoutEffect, useMemo } from 'react'
 
 function relayDedupeKey(url: string): string {
@@ -20,10 +20,18 @@ export default function SearchResult({ searchParams }: { searchParams: TSearchPa
   const { pubkey, relayList } = useNostr()
   const { favoriteRelays, blockedRelays } = useFavoriteRelays()
 
-  /** Before child effects (e.g. NIP-50) open REQs, abort background queries and drop pooled relay sockets so search gets the pool. */
+  /**
+   * Before NIP-50 / hashtag REQs, yield the pool — but do not abort profile lookups (npub / profile search).
+   */
   useLayoutEffect(() => {
     if (!searchParams) return
-    if (searchParams.type === 'relay') return
+    if (
+      searchParams.type === 'relay' ||
+      searchParams.type === 'profile' ||
+      searchParams.type === 'profiles'
+    ) {
+      return
+    }
     client.interruptBackgroundQueries({ closePooledRelayConnections: true })
   }, [searchParams?.type, searchParams?.search, searchParams?.input])
 
@@ -74,22 +82,23 @@ export default function SearchResult({ searchParams }: { searchParams: TSearchPa
     [combinedRelays, searchableKeySet]
   )
 
-  const alexandriaEmptyUrlForHashtag = useMemo(
-    () =>
-      searchParams?.type === 'hashtag'
-        ? buildAlexandriaEventsUrlForHashtagParam(searchParams.search)
-        : null,
-    [searchParams?.type, searchParams?.search]
+  const alexandriaEmptyHref = useMemo(
+    () => (searchParams ? buildAlexandriaEventsSearchUrlForTSearchParams(searchParams) : null),
+    [searchParams]
   )
 
   if (!searchParams) {
     return null
   }
   if (searchParams.type === 'profile') {
-    return <Profile id={searchParams.search} />
+    return (
+      <Profile id={searchParams.search} alexandriaNotFoundHref={alexandriaEmptyHref} />
+    )
   }
   if (searchParams.type === 'profiles') {
-    return <ProfileListBySearch search={searchParams.search} />
+    return (
+      <ProfileListBySearch search={searchParams.search} alexandriaEmptyHref={alexandriaEmptyHref} />
+    )
   }
   if (searchParams.type === 'notes') {
     return (
@@ -97,6 +106,7 @@ export default function SearchResult({ searchParams }: { searchParams: TSearchPa
         searchQuery={searchParams.search}
         relayUrls={searchableUrls}
         kinds={NIP_SEARCH_PAGE_KINDS}
+        alexandriaEmptyHref={alexandriaEmptyHref}
       />
     )
   }
@@ -110,9 +120,15 @@ export default function SearchResult({ searchParams }: { searchParams: TSearchPa
       <NormalFeed
         timelinePublicReadFallback
         subRequests={subRequests}
-        alexandriaEmptyUrl={alexandriaEmptyUrlForHashtag}
+        alexandriaEmptyUrl={alexandriaEmptyHref}
       />
     )
   }
-  return <Relay url={searchParams.search} />
+  return (
+    <Relay
+      url={searchParams.search}
+      alexandriaEmptyUrl={alexandriaEmptyHref}
+      alexandriaNotFoundHref={alexandriaEmptyHref}
+    />
+  )
 }

src/constants.ts

@@ -176,18 +176,17 @@ export const RELAY_POOL_SOCKET_IDLE_MS = 90_000
 export const RELAY_POOL_IDLE_SWEEP_INTERVAL_MS = 45_000
 
 /**
- * Maximum `kinds` length in a single NIP-01 filter. Some relays NOTICE "too many kinds" and reject the
- * entire REQ (e.g. strfry derivatives, relay.vukihreedia.xyz). QueryService splits larger arrays into
- * multiple filters with the same tag scope.
+ * Maximum `kinds` length in a single NIP-01 filter. A few strfry-style relays still NOTICE "too many kinds";
+ * {@link QueryService} splits larger arrays into multiple filters with the same tag scope. Sized to fit
+ * {@link NOTE_STATS_OP_REFERENCE_KINDS} plus thread/quote note kinds in one object without manual chunking.
  */
-export const RELAY_FILTER_MAX_KINDS_PER_OBJECT = 10
+export const RELAY_FILTER_MAX_KINDS_PER_OBJECT = 20
 
 /**
- * Maximum NIP-01 filters per REQ (`["REQ", subId, …filters]`). Primal, damus.io, and others return
- * NOTICE `bad req: arr too big` when the filter list is long (e.g. replaceable threads with #a + #e
- * snapshot + many kind-chunked op-reference filters).
+ * Maximum NIP-01 filters per REQ (`["REQ", subId, …filters]`). Some relays return NOTICE `bad req: arr too big`
+ * when the filter list is very long; QueryService issues sequential REQ slices when over this cap.
  */
-export const RELAY_REQ_MAX_FILTERS_PER_MESSAGE = 10
+export const RELAY_REQ_MAX_FILTERS_PER_MESSAGE = 12
 
 /** `SimplePool.ensureRelay` WebSocket handshake timeout (parallel multi-relay + slow TLS). */
 export const RELAY_POOL_CONNECTION_TIMEOUT_MS = 20_000
@@ -486,14 +485,16 @@ export const SEARCHABLE_RELAY_URLS = [
   'wss://nostr.wine',
   'wss://orly-relay.imwald.eu',
   'wss://relay.noswhere.com',
-  'wss://nostr-pub.wellorder.net'
+  'wss://nostr-pub.wellorder.net',
 ]
 
 export const PROFILE_RELAY_URLS = [
   'wss://profiles.nostr1.com',
   'wss://purplepag.es',
   'wss://profiles.nostrver.se/',
-  'wss://indexer.coracle.social/'
+  'wss://indexer.coracle.social/',
+  'wss://relay.primal.net',
+  'wss://relay.damus.io'
 ]
 
 export const FOLLOWS_HISTORY_RELAY_URLS = [
@@ -664,7 +665,7 @@ export const NOTE_STATS_OP_REFERENCE_KINDS: readonly number[] = Array.from(
   new Set<number>([...THREAD_BACKLINK_STREAM_KINDS, ExtendedKind.PUBLICATION])
 ).sort((a, b) => a - b)
 
-/** {@link NOTE_STATS_OP_REFERENCE_KINDS} without kind 9802 — pair with a small highlights-only filter on relays that cap `kinds`. */
+/** {@link NOTE_STATS_OP_REFERENCE_KINDS} without kind 9802 — use when highlights are requested on a separate `#q` filter. */
 export const NOTE_STATS_OP_REFERENCE_KINDS_WITHOUT_HIGHLIGHT: readonly number[] =
   NOTE_STATS_OP_REFERENCE_KINDS.filter((k) => k !== kinds.Highlights)
 

src/hooks/useQuoteEvents.tsx

@@ -1,7 +1,7 @@
 import {
   ExtendedKind,
   FAST_READ_RELAY_URLS,
-  NOTE_STATS_OP_REFERENCE_KINDS_WITHOUT_HIGHLIGHT,
+  NOTE_STATS_OP_REFERENCE_KINDS,
   SEARCHABLE_RELAY_URLS
 } from '@/constants'
 import { getReplaceableCoordinateFromEvent, isReplaceableEvent } from '@/lib/event'
@@ -17,15 +17,6 @@ import { Event, kinds } from 'nostr-tools'
 import { useEffect, useMemo, useRef, useState } from 'react'
 
 const LIMIT = 100
-const MAX_KINDS_PER_RELAY_FILTER = 4
-
-function chunkKinds(list: readonly number[], size = MAX_KINDS_PER_RELAY_FILTER): number[][] {
-  const out: number[][] = []
-  for (let i = 0; i < list.length; i += size) {
-    out.push([...list.slice(i, i + size)])
-  }
-  return out
-}
 const INITIAL_QUOTE_LOAD_TIMEOUT_MS = 12_000
 
 /** Fetches events that quote or reference the given event (#q, #e, #a tags). */
@@ -102,16 +93,15 @@ export function useQuoteEvents(event: Event | null, enabled: boolean) {
         ? getReplaceableCoordinateFromEvent(ev)
         : `${ev.kind}:${ev.pubkey}:${ev.id}`
 
-      const highlightKinds = [kinds.Highlights] as const
-      const opRefKindChunks = chunkKinds(NOTE_STATS_OP_REFERENCE_KINDS_WITHOUT_HIGHLIGHT)
       const qKindsBroad = Array.from(
         new Set<number>([
           kinds.ShortTextNote,
           ExtendedKind.COMMENT,
           ExtendedKind.VOICE_COMMENT,
-          ...NOTE_STATS_OP_REFERENCE_KINDS_WITHOUT_HIGHLIGHT
+          ...NOTE_STATS_OP_REFERENCE_KINDS
         ])
       ).sort((a, b) => a - b)
+      const opRefKinds = [...NOTE_STATS_OP_REFERENCE_KINDS]
       const qValsReplaceable = Array.from(
         new Set(
           [ev.id, eventCoordinate]
@@ -129,37 +119,20 @@ export function useQuoteEvents(event: Event | null, enabled: boolean) {
             limit: LIMIT
           }
         },
-        {
-          urls: finalRelayUrls,
-          filter: { '#q': [qeIdForTagFilter], kinds: [...highlightKinds], limit: LIMIT }
-        },
         {
           urls: finalRelayUrls,
           filter: {
             '#a': [eventCoordinate],
-            kinds: [...highlightKinds],
+            kinds: opRefKinds,
             limit: LIMIT
           }
-        },
-        ...opRefKindChunks.map(
-          (kindsChunk) =>
-            ({
-              urls: finalRelayUrls,
-              filter: {
-                '#a': [eventCoordinate],
-                kinds: kindsChunk,
-                limit: LIMIT
-              }
-            }) as { urls: string[]; filter: TSubRequestFilter }
-        )
+        }
       ]
       if (isReplaceableEvent(ev.kind)) {
-        for (const kindsChunk of opRefKindChunks) {
-          subRequests.push({
-            urls: finalRelayUrls,
-            filter: { '#A': [eventCoordinate], kinds: kindsChunk, limit: LIMIT }
-          })
-        }
+        subRequests.push({
+          urls: finalRelayUrls,
+          filter: { '#A': [eventCoordinate], kinds: opRefKinds, limit: LIMIT }
+        })
       }
       // `#e` tag filters must use 64-hex event ids. For replaceable roots we use `#a`/`#q` only.
       if (qeIdIsHexEventId) {
@@ -168,34 +141,18 @@ export function useQuoteEvents(event: Event | null, enabled: boolean) {
             urls: finalRelayUrls,
             filter: {
               '#e': [qeIdForTagFilter],
-              kinds: [...highlightKinds],
+              kinds: opRefKinds,
               limit: LIMIT
             }
           },
-          ...opRefKindChunks.map((kindsChunk) => ({
-            urls: finalRelayUrls,
-            filter: {
-              '#e': [qeIdForTagFilter],
-              kinds: kindsChunk,
-              limit: LIMIT
-            }
-          })),
           {
             urls: finalRelayUrls,
             filter: {
               '#E': [qeIdForTagFilter],
-              kinds: [...highlightKinds],
-              limit: LIMIT
-            }
-          },
-          ...opRefKindChunks.map((kindsChunk) => ({
-            urls: finalRelayUrls,
-            filter: {
-              '#E': [qeIdForTagFilter],
-              kinds: kindsChunk,
+              kinds: opRefKinds,
               limit: LIMIT
             }
-          }))
+          }
         )
       }
 

src/lib/alexandria-events-search-url.test.ts

@@ -0,0 +1,39 @@
+import { describe, expect, it } from 'vitest'
+import {
+  ALEXANDRIA_NEXT_EVENTS_BASE,
+  buildAlexandriaEventsSearchUrlForTSearchParams
+} from './alexandria-events-search-url'
+
+describe('buildAlexandriaEventsSearchUrlForTSearchParams', () => {
+  it('maps profile search to n= query', () => {
+    const url = buildAlexandriaEventsSearchUrlForTSearchParams({
+      type: 'profile',
+      search: 'npub1test'
+    })
+    expect(url).toBe(`${ALEXANDRIA_NEXT_EVENTS_BASE}?n=npub1test`)
+  })
+
+  it('maps hashtag search to t= query', () => {
+    const url = buildAlexandriaEventsSearchUrlForTSearchParams({
+      type: 'hashtag',
+      search: 'nostr'
+    })
+    expect(url).toBe(`${ALEXANDRIA_NEXT_EVENTS_BASE}?t=nostr`)
+  })
+
+  it('maps relay search to q= query', () => {
+    const url = buildAlexandriaEventsSearchUrlForTSearchParams({
+      type: 'relay',
+      search: 'wss://relay.example.com'
+    })
+    expect(url).toBe(`${ALEXANDRIA_NEXT_EVENTS_BASE}?q=wss%3A%2F%2Frelay.example.com`)
+  })
+
+  it('maps notes search to free-text q= when no special tokens', () => {
+    const url = buildAlexandriaEventsSearchUrlForTSearchParams({
+      type: 'notes',
+      search: 'hello world'
+    })
+    expect(url).toBe(`${ALEXANDRIA_NEXT_EVENTS_BASE}?q=hello%20world`)
+  })
+})

src/lib/alexandria-events-search-url.ts

@@ -84,22 +84,31 @@ export function buildAlexandriaEventsSearchUrlFromNotesQuery(query: string): str
   return `${ALEXANDRIA_NEXT_EVENTS_BASE}?q=${encodeURIComponent(q)}`
 }
 
+/** Map any in-app search route to a matching Alexandria `/events` URL (empty-state CTA). */
 export function buildAlexandriaEventsSearchUrlForTSearchParams(params: TSearchParams): string | null {
-  if (params.type === 'hashtag') {
-    const tag = params.search?.trim().toLowerCase()
-    if (!tag) return null
-    return `${ALEXANDRIA_NEXT_EVENTS_BASE}?t=${encodeURIComponent(tag)}`
-  }
-  if (params.type === 'profiles') {
-    let n = params.search.trim()
-    if (n.toLowerCase().startsWith('n:')) n = n.slice(2).trim()
-    if (!n) return null
-    return `${ALEXANDRIA_NEXT_EVENTS_BASE}?n=${encodeURIComponent(n)}`
-  }
-  if (params.type === 'notes') {
-    return buildAlexandriaEventsSearchUrlFromNotesQuery(params.search)
+  const search = params.search?.trim()
+  if (!search) return null
+
+  switch (params.type) {
+    case 'hashtag':
+      return buildAlexandriaEventsUrlForHashtagParam(search)
+    case 'profile':
+    case 'profiles': {
+      let n = search
+      if (n.toLowerCase().startsWith('n:')) n = n.slice(2).trim()
+      if (!n) return null
+      return `${ALEXANDRIA_NEXT_EVENTS_BASE}?n=${encodeURIComponent(n)}`
+    }
+    case 'notes':
+    case 'note':
+      return buildAlexandriaEventsSearchUrlFromNotesQuery(search)
+    case 'dtag':
+      return buildAlexandriaEventsUrlForDTagParam(search)
+    case 'relay':
+      return `${ALEXANDRIA_NEXT_EVENTS_BASE}?q=${encodeURIComponent(search)}`
+    default:
+      return buildAlexandriaEventsSearchUrlFromNotesQuery(search)
   }
-  return null
 }
 
 export function buildAlexandriaEventsUrlForHashtagParam(tag: string): string | null {

src/pages/secondary/ProfileListPage/index.tsx

@@ -3,8 +3,9 @@ import ProfileList from '@/components/ProfileList'
 import { ProfileListBySearch } from '@/components/ProfileListBySearch'
 import { RefreshButton } from '@/components/RefreshButton'
 import SecondaryPageLayout from '@/layouts/SecondaryPageLayout'
+import { buildAlexandriaEventsSearchUrlForTSearchParams } from '@/lib/alexandria-events-search-url'
 import { fetchPubkeysFromDomain } from '@/lib/nip05'
-import { forwardRef, useCallback, useEffect, useState } from 'react'
+import { forwardRef, useCallback, useEffect, useMemo, useState } from 'react'
 import { useTranslation } from 'react-i18next'
 
 const ProfileListPage = forwardRef(({ index }: { index?: number }, ref) => {
@@ -39,9 +40,19 @@ const ProfileListPage = forwardRef(({ index }: { index?: number }, ref) => {
     }
   }, [])
 
+  const profileSearchAlexandriaHref = useMemo(
+    () =>
+      data?.type === 'search'
+        ? buildAlexandriaEventsSearchUrlForTSearchParams({ type: 'profiles', search: data.id })
+        : null,
+    [data]
+  )
+
   let content: React.ReactNode = null
   if (data?.type === 'search') {
-    content = <ProfileListBySearch search={data.id} />
+    content = (
+      <ProfileListBySearch search={data.id} alexandriaEmptyHref={profileSearchAlexandriaHref} />
+    )
   } else if (data?.type === 'domain') {
     content = <ProfileListByDomain domain={data.id} />
   }

src/pages/secondary/ProfilePage/index.tsx

@@ -11,7 +11,8 @@ import {
   SITE_NAME,
   updateMetaTag
 } from '@/lib/document-meta'
-import { forwardRef, useCallback, useEffect, useRef } from 'react'
+import { buildAlexandriaEventsSearchUrlForTSearchParams } from '@/lib/alexandria-events-search-url'
+import { forwardRef, useCallback, useEffect, useMemo, useRef } from 'react'
 
 const ProfilePage = forwardRef(({ id, index, hideTitlebar = false }: { id?: string; index?: number; hideTitlebar?: boolean }, ref) => {
   const { registerPrimaryPanelRefresh } = usePrimaryNoteView()
@@ -29,6 +30,12 @@ const ProfilePage = forwardRef(({ id, index, hideTitlebar = false }: { id?: stri
 
   const { profile } = useFetchProfile(id)
 
+  const alexandriaNotFoundHref = useMemo(() => {
+    const lookup = id?.trim()
+    if (!lookup) return null
+    return buildAlexandriaEventsSearchUrlForTSearchParams({ type: 'profile', search: lookup })
+  }, [id])
+
   useEffect(() => {
     if (!profile) {
       applyDefaultSiteSocialMeta()
@@ -95,7 +102,7 @@ const ProfilePage = forwardRef(({ id, index, hideTitlebar = false }: { id?: stri
       displayScrollToTopButton
       ref={ref}
     >
-      <Profile id={id} feedRef={feedRef} />
+      <Profile id={id} feedRef={feedRef} alexandriaNotFoundHref={alexandriaNotFoundHref} />
     </SecondaryPageLayout>
   )
 })

src/services/client-replaceable-events.service.ts

@@ -829,6 +829,45 @@ export class ReplaceableEventService {
    * =========== Profile Methods ===========
    */
 
+  /** Direct kind-0 REQ on {@link PROFILE_RELAY_URLS} by `authors` (npub / hex lookup — not NIP-50 text). */
+  private async fetchKind0FromProfileRelays(pubkey: string): Promise<NEvent | undefined> {
+    const pk = pubkey.trim().toLowerCase()
+    if (!/^[0-9a-f]{64}$/.test(pk)) return undefined
+
+    const relays = prependAggrNostrLandIfViewerEligible(
+      stripLocalNetworkRelaysForWssReq(
+        Array.from(
+          new Set(PROFILE_RELAY_URLS.map((u) => normalizeUrl(u) || u.trim()).filter(Boolean))
+        )
+      )
+    )
+    if (relays.length === 0) return undefined
+
+    try {
+      const events = await this.queryService.query(
+        relays,
+        { authors: [pk], kinds: [kinds.Metadata], limit: 1 },
+        undefined,
+        {
+          replaceableRace: false,
+          eoseTimeout: METADATA_BATCH_QUERY_EOSE_TIMEOUT_MS,
+          globalTimeout: METADATA_BATCH_QUERY_GLOBAL_TIMEOUT_MS,
+          foreground: true,
+          relayOpSource: 'ReplaceableEventService.fetchKind0FromProfileRelays'
+        }
+      )
+      if (events.length === 0) return undefined
+      const sorted = events.sort((a, b) => b.created_at - a.created_at)
+      return sorted[0]
+    } catch (error) {
+      logger.warn('[ReplaceableEventService] fetchKind0FromProfileRelays failed', {
+        pubkey: pk.slice(0, 8),
+        error: error instanceof Error ? error.message : String(error)
+      })
+      return undefined
+    }
+  }
+
   /**
    * Fetch profile event by id (hex, npub, nprofile)
    */
@@ -880,10 +919,19 @@ export class ReplaceableEventService {
     // Relay hints from bech32 (nprofile, etc.) — highest priority in later steps
     const relayHints = relays.length > 0 ? [...relays] : []
 
-    // CRITICAL: Always use relay hints from bech32 addresses (nprofile, naddr, nevent) when available
-    // Relay hints should have highest priority and always be included
+    // Step 0: {@link PROFILE_RELAY_URLS} by `authors` — reliable for npub/hex; avoids batched DataLoader + abort races.
+    const fromProfileRelays = await this.fetchKind0FromProfileRelays(pubkey)
+    if (fromProfileRelays) {
+      this.replaceableEventFromBigRelaysDataloader.prime(
+        { pubkey, kind: kinds.Metadata },
+        Promise.resolve(fromProfileRelays)
+      )
+      await this.indexProfile(fromProfileRelays)
+      void indexedDb.putReplaceableEvent(fromProfileRelays).catch(() => {})
+      return fromProfileRelays
+    }
 
-    // Step 1: ALWAYS use DataLoader first (checks IndexedDB, then uses default relays)
+    // Step 1: DataLoader (IndexedDB + batched profile relay stack)
     // CRITICAL: Do NOT pass relay hints here - passing any relays bypasses DataLoader and creates individual subscriptions
     // DataLoader already uses default relays internally and batches all profile fetches
     // We'll use relay hints in Step 2/3 only if Step 1 fails
@@ -984,7 +1032,8 @@ export class ReplaceableEventService {
           {
             replaceableRace: false,
             eoseTimeout: METADATA_BATCH_QUERY_EOSE_TIMEOUT_MS,
-            globalTimeout: METADATA_BATCH_QUERY_GLOBAL_TIMEOUT_MS
+            globalTimeout: METADATA_BATCH_QUERY_GLOBAL_TIMEOUT_MS,
+            foreground: true
           }
         )
 

src/services/client.service.ts

@@ -3696,6 +3696,7 @@ class ClientService extends EventTarget {
     const usesNip50TextSearch = filtersArr.some(
       (f) => typeof f.search === 'string' && f.search.trim().length > 0
     )
+    const usesAuthorsLookup = filtersArr.some((f) => (f.authors?.length ?? 0) > 0)
     const events = await this.queryService.query(urls, queryFilter, undefined, {
       replaceableRace: false,
       eoseTimeout: usesNip50TextSearch ? 10_000 : 4500,
@@ -3703,7 +3704,7 @@ class ClientService extends EventTarget {
         ? NIP50_QUERY_GLOBAL_TIMEOUT_FLOOR_MS + 18_000
         : 9000,
       relayOpSource: 'ClientService.searchProfiles',
-      foreground: usesNip50TextSearch
+      foreground: usesNip50TextSearch || usesAuthorsLookup
     })
 
     const byPk = new Map<string, NEvent>()