diff --git a/src/lib/components/CommentBox.svelte b/src/lib/components/CommentBox.svelte
index 1e23ce2..087a9ab 100644
--- a/src/lib/components/CommentBox.svelte
+++ b/src/lib/components/CommentBox.svelte
@@ -23,13 +23,15 @@
   } from "$lib/utils/nostrEventService";
   import { tick } from "svelte";
   import { goto } from "$app/navigation";
-  import { activeInboxRelays, activeOutboxRelays } from "$lib/ndk";
+  import { activeInboxRelays, activeOutboxRelays, getNdkContext } from "$lib/ndk";
 
   const props = $props<{
     event: NDKEvent;
     userRelayPreference: boolean;
   }>();
 
+  const ndk = getNdkContext();
+
   let content = $state("");
   let preview = $state("");
   let isSubmitting = $state(false);
@@ -216,7 +218,7 @@
         relays = $activeOutboxRelays.slice(0, 3); // Use first 3 outbox relays
       }
 
-      const successfulRelays = await publishEvent(signedEvent, relays);
+      const successfulRelays = await publishEvent(signedEvent, relays, ndk);
 
       success = {
         relay: successfulRelays[0] || "Unknown relay",
@@ -282,7 +284,7 @@
 
     try {
       console.log("Search promise created, waiting for result...");
-      const result = await searchProfiles(mentionSearch.trim());
+      const result = await searchProfiles(mentionSearch.trim(), ndk);
       console.log("Search completed, found profiles:", result.profiles.length);
       console.log("Profile details:", result.profiles);
       console.log("Community status:", result.Status);
diff --git a/src/lib/components/CommentViewer.svelte b/src/lib/components/CommentViewer.svelte
index 67cda8a..46b444a 100644
--- a/src/lib/components/CommentViewer.svelte
+++ b/src/lib/components/CommentViewer.svelte
@@ -40,7 +40,7 @@
       if (!npub) return;
       
       // Force fetch to ensure we get the latest profile data
-      const profile = await getUserMetadata(npub, true);
+      const profile = await getUserMetadata(npub, ndk, true);
       const newProfiles = new Map(profiles);
       newProfiles.set(pubkey, profile);
       profiles = newProfiles;
diff --git a/src/lib/components/EventDetails.svelte b/src/lib/components/EventDetails.svelte
index 687b9f8..f812a41 100644
--- a/src/lib/components/EventDetails.svelte
+++ b/src/lib/components/EventDetails.svelte
@@ -196,7 +196,7 @@
       return;
     }
 
-    getUserMetadata(toNpub(event.pubkey) as string).then((profile) => {
+    getUserMetadata(toNpub(event.pubkey) as string, undefined).then((profile) => {
       authorDisplayName =
         profile.displayName ||
         (profile as any).display_name ||
diff --git a/src/lib/components/EventInput.svelte b/src/lib/components/EventInput.svelte
index b15140c..22759a3 100644
--- a/src/lib/components/EventInput.svelte
+++ b/src/lib/components/EventInput.svelte
@@ -265,6 +265,7 @@
             content,
             tags,
             baseEvent,
+            ndk,
           );
           console.log("Index event:", indexEvent);
           console.log("Section events:", sectionEvents);
diff --git a/src/lib/components/EventSearch.svelte b/src/lib/components/EventSearch.svelte
index 5963bf0..2ae8c9d 100644
--- a/src/lib/components/EventSearch.svelte
+++ b/src/lib/components/EventSearch.svelte
@@ -8,6 +8,7 @@
     searchBySubscription,
     searchNip05,
   } from "$lib/utils/search_utility";
+  import type { SearchCallbacks } from "$lib/utils/search_types";
   import { neventEncode, naddrEncode, nprofileEncode } from "$lib/utils";
   import { activeInboxRelays, activeOutboxRelays, getNdkContext } from "$lib/ndk";
   import { getMatchingTags, toNpub } from "$lib/utils/nostrUtils";
@@ -81,7 +82,7 @@
   // AI-NOTE: 2025-01-24 - Core search handlers extracted for better organization
   async function handleNip05Search(query: string) {
     try {
-      const foundEvent = await searchNip05(query);
+      const foundEvent = await searchNip05(query, ndk);
       if (foundEvent) {
         handleFoundEvent(foundEvent);
         updateSearchState(false, true, 1, "nip05");
@@ -96,7 +97,7 @@
 
   async function handleEventSearch(query: string) {
     try {
-      const foundEvent = await searchEvent(query);
+      const foundEvent = await searchEvent(query, ndk);
       if (!foundEvent) {
         console.warn("[Events] Event not found for query:", query);
         localError = "Event not found";
@@ -505,6 +506,7 @@
     const searchPromise = searchBySubscription(
       searchType,
       searchTerm,
+      ndk,
       {
         onSecondOrderUpdate: (updatedResult) => {
           console.log("EventSearch: Second order update:", updatedResult);
diff --git a/src/lib/components/Navigation.svelte b/src/lib/components/Navigation.svelte
index 186a93f..1d37f14 100644
--- a/src/lib/components/Navigation.svelte
+++ b/src/lib/components/Navigation.svelte
@@ -22,7 +22,7 @@
     </NavBrand>
   </div>
   <div class="flex md:order-2">
-    <Profile isNav={true} pubkey={userState.npub || undefined} />
+    <Profile isNav={true} />
     <NavHamburger class="btn-leather" />
   </div>
   <NavUl class="ul-leather">
diff --git a/src/lib/components/Notifications.svelte b/src/lib/components/Notifications.svelte
index 00841f1..7e1a5bd 100644
--- a/src/lib/components/Notifications.svelte
+++ b/src/lib/components/Notifications.svelte
@@ -263,7 +263,7 @@
 
     try {
       console.log("Recipient search promise created, waiting for result...");
-      const result = await searchProfiles(recipientSearch.trim());
+      const result = await searchProfiles(recipientSearch.trim(), ndk);
       console.log("Recipient search completed, found profiles:", result.profiles.length);
       console.log("Profile details:", result.profiles);
       console.log("Community status:", result.Status);
@@ -388,7 +388,7 @@
       
       // Get relay sets for all recipients and combine them
       const relaySetPromises = recipientPubkeys.map(recipientPubkey => 
-        getKind24RelaySet(senderPubkey, recipientPubkey)
+        getKind24RelaySet(senderPubkey, recipientPubkey, ndk)
       );
       const relaySets = await Promise.all(relaySetPromises);
       
@@ -623,7 +623,7 @@
       
       // Get relay sets for all recipients and combine them
       const relaySetPromises = recipientPubkeys.map(recipientPubkey => 
-        getKind24RelaySet(senderPubkey, recipientPubkey)
+        getKind24RelaySet(senderPubkey, recipientPubkey, ndk)
       );
       
       const relaySets = await Promise.all(relaySetPromises);
diff --git a/src/lib/components/embedded_events/EmbeddedEvent.svelte b/src/lib/components/embedded_events/EmbeddedEvent.svelte
index 37c00a8..eb8a711 100644
--- a/src/lib/components/embedded_events/EmbeddedEvent.svelte
+++ b/src/lib/components/embedded_events/EmbeddedEvent.svelte
@@ -107,7 +107,7 @@
       if (event?.pubkey) {
         const npub = toNpub(event.pubkey);
         if (npub) {
-          const userProfile = await getUserMetadata(npub);
+          const userProfile = await getUserMetadata(npub, ndk);
           authorDisplayName =
             userProfile.displayName ||
             (userProfile as any).display_name ||
diff --git a/src/lib/components/embedded_events/EmbeddedSnippets.svelte b/src/lib/components/embedded_events/EmbeddedSnippets.svelte
index a086bad..ed87bdb 100644
--- a/src/lib/components/embedded_events/EmbeddedSnippets.svelte
+++ b/src/lib/components/embedded_events/EmbeddedSnippets.svelte
@@ -104,7 +104,7 @@
         if (!npub) return;
 
         // Try cache first
-        let profile = await getUserMetadata(npub, false);
+        let profile = await getUserMetadata(npub, ndk, false);
         if (profile && (profile.name || profile.displayName || profile.picture)) {
           authorProfiles.set(pubkey, profile);
           return;
diff --git a/src/lib/components/util/ContainingIndexes.svelte b/src/lib/components/util/ContainingIndexes.svelte
index be06f3e..fb598b5 100644
--- a/src/lib/components/util/ContainingIndexes.svelte
+++ b/src/lib/components/util/ContainingIndexes.svelte
@@ -5,12 +5,14 @@
   import { findContainingIndexEvents } from "$lib/utils/event_search";
   import { getMatchingTags } from "$lib/utils/nostrUtils";
   import { naddrEncode } from "$lib/utils";
-  import { activeInboxRelays, activeOutboxRelays } from "$lib/ndk";
+  import { activeInboxRelays, activeOutboxRelays, getNdkContext } from "$lib/ndk";
 
   let { event } = $props<{
     event: NDKEvent;
   }>();
 
+  const ndk = getNdkContext();
+
   let containingIndexes = $state<NDKEvent[]>([]);
   let loading = $state(false);
   let error = $state<string | null>(null);
@@ -25,7 +27,7 @@
     error = null;
 
     try {
-      containingIndexes = await findContainingIndexEvents(event);
+      containingIndexes = await findContainingIndexEvents(event, ndk);
       console.log(
         "[ContainingIndexes] Found containing indexes:",
         containingIndexes.length,
diff --git a/src/lib/components/util/Profile.svelte b/src/lib/components/util/Profile.svelte
index ce2cdc4..8882074 100644
--- a/src/lib/components/util/Profile.svelte
+++ b/src/lib/components/util/Profile.svelte
@@ -235,7 +235,7 @@
       
       // Fallback to getUserMetadata
       console.log("Falling back to getUserMetadata");
-      const freshProfile = await getUserMetadata(userState.npub, true); // Force fresh fetch
+      const freshProfile = await getUserMetadata(userState.npub, ndk, true); // Force fresh fetch
       console.log("Fresh profile data from getUserMetadata:", freshProfile);
       
       // Update the userStore with fresh profile data
@@ -325,7 +325,7 @@
         qrCodeDataUrl =
           (await generateQrCode(amberSigner.nostrConnectUri)) ?? undefined;
         const user = await amberSigner.blockUntilReady();
-        await loginWithAmber(amberSigner, user);
+        await loginWithAmber(amberSigner, user, ndk);
         showQrCode = false;
       } else {
         throw new Error("Failed to generate Nostr Connect URI");
@@ -343,7 +343,7 @@
     const inputNpub = prompt("Enter your npub (public key):");
     if (inputNpub) {
       try {
-        await loginWithNpub(inputNpub);
+        await loginWithNpub(inputNpub, ndk);
       } catch (err: unknown) {
         showResultMessage(
           `❌ npub login failed: ${err instanceof Error ? err.message : String(err)}`,
@@ -355,7 +355,7 @@
   async function handleSignOutClick() {
     localStorage.removeItem("amber/nsec");
     localStorage.removeItem("alexandria/amber/fallback");
-    logoutUser();
+    logoutUser(ndk);
   }
 
   function handleViewProfile() {
diff --git a/src/lib/snippets/UserSnippets.svelte b/src/lib/snippets/UserSnippets.svelte
index 417ca63..a4b4a17 100644
--- a/src/lib/snippets/UserSnippets.svelte
+++ b/src/lib/snippets/UserSnippets.svelte
@@ -45,7 +45,7 @@
         </span>
       {/await}
     {:else}
-      {#await createProfileLinkWithVerification(npub as string, displayText)}
+      {#await createProfileLinkWithVerification(npub as string, displayText, undefined)}
         <span class="inline-flex items-center gap-0.5">
           <button
             class="npub-badge bg-transparent border-none p-0 underline cursor-pointer"
diff --git a/src/lib/stores/userStore.ts b/src/lib/stores/userStore.ts
index 1a202cd..e69e88f 100644
--- a/src/lib/stores/userStore.ts
+++ b/src/lib/stores/userStore.ts
@@ -178,7 +178,7 @@ export async function loginWithExtension(ndk: NDK) {
   let profile: NostrProfile | null = null;
   try {
     console.log("Login with extension - attempting to fetch profile...");
-    profile = await getUserMetadata(npub, true); // Force fresh fetch
+    profile = await getUserMetadata(npub, ndk, true); // Force fresh fetch
     console.log("Login with extension - fetched profile:", profile);
   } catch (error) {
     console.warn("Failed to fetch user metadata during login:", error);
@@ -253,7 +253,7 @@ export async function loginWithAmber(amberSigner: NDKSigner, user: NDKUser, ndk:
 
   let profile: NostrProfile | null = null;
   try {
-    profile = await getUserMetadata(npub, true); // Force fresh fetch
+    profile = await getUserMetadata(npub, ndk, true); // Force fresh fetch
     console.log("Login with Amber - fetched profile:", profile);
   } catch (error) {
     console.warn("Failed to fetch user metadata during Amber login:", error);
@@ -368,7 +368,7 @@ export async function loginWithNpub(pubkeyOrNpub: string, ndk: NDK) {
   await new Promise((resolve) => setTimeout(resolve, 500));
 
   try {
-    profile = await getUserMetadata(npub, true); // Force fresh fetch
+    profile = await getUserMetadata(npub, ndk, true); // Force fresh fetch
     console.log("Login with npub - fetched profile:", profile);
   } catch (error) {
     console.warn("Failed to fetch user metadata during npub login:", error);
diff --git a/src/lib/utils/markup/markupServices.ts b/src/lib/utils/markup/markupServices.ts
index 6377675..3ed8a78 100644
--- a/src/lib/utils/markup/markupServices.ts
+++ b/src/lib/utils/markup/markupServices.ts
@@ -1,3 +1,4 @@
+import NDK from "@nostr-dev-kit/ndk";
 import {
   createProfileLink,
   getUserMetadata,
@@ -85,6 +86,7 @@ export function processMediaUrl(url: string, alt?: string): string {
  */
 export async function processNostrIdentifiersInText(
   text: string,
+  ndk?: NDK,
 ): Promise<string> {
   let processedText = text;
 
@@ -113,7 +115,13 @@ export async function processNostrIdentifiersInText(
     }
 
     // Get user metadata and create link
-    const metadata = await getUserMetadata(identifier);
+    let metadata;
+    if (ndk) {
+      metadata = await getUserMetadata(identifier, ndk);
+    } else {
+      // Fallback when NDK is not available - just use the identifier
+      metadata = { name: identifier.slice(0, 8) + "..." + identifier.slice(-4) };
+    }
     const displayText = metadata.displayName || metadata.name;
     const link = createProfileLink(identifier, displayText);
 
diff --git a/src/lib/utils/nostrUtils.ts b/src/lib/utils/nostrUtils.ts
index 10ebf1b..911ae07 100644
--- a/src/lib/utils/nostrUtils.ts
+++ b/src/lib/utils/nostrUtils.ts
@@ -67,7 +67,7 @@ function escapeRegExp(string: string): string {
  */
 export async function getUserMetadata(
   identifier: string,
-  ndk: NDK,
+  ndk?: NDK,
   force = false,
 ): Promise<NostrProfile> {
   // Remove nostr: prefix if present
@@ -175,7 +175,7 @@ export function createProfileLink(
 export async function createProfileLinkWithVerification(
   identifier: string,
   displayText: string | undefined,
-  ndk: NDK,
+  ndk?: NDK,
 ): Promise<string> {
   if (!ndk) {
     return createProfileLink(identifier, displayText);
diff --git a/src/lib/utils/user_lists.ts b/src/lib/utils/user_lists.ts
index 4b8512f..e9d7443 100644
--- a/src/lib/utils/user_lists.ts
+++ b/src/lib/utils/user_lists.ts
@@ -1,4 +1,4 @@
-import { ndkInstance, activeInboxRelays } from "../ndk.ts";
+import { getNdkContext, activeInboxRelays } from "../ndk.ts";
 import { get } from "svelte/store";
 import type { NDKEvent } from "@nostr-dev-kit/ndk";
 import { userStore } from "../stores/userStore.ts";
@@ -52,7 +52,7 @@ export async function fetchUserLists(
   pubkey: string,
   listKinds: number[] = [...PEOPLE_LIST_KINDS]
 ): Promise<UserListEvent[]> {
-  const ndk = get(ndkInstance);
+  const ndk = getNdkContext();
   if (!ndk) {
     console.warn("fetchUserLists: No NDK instance available");
     return [];
@@ -211,7 +211,7 @@ export async function updateProfileCacheForPubkeys(pubkeys: string[]): Promise<v
   try {
     console.log(`Updating profile cache for ${pubkeys.length} pubkeys`);
     
-    const ndk = get(ndkInstance);
+    const ndk = getNdkContext();
     if (!ndk) {
       console.warn("updateProfileCacheForPubkeys: No NDK instance available");
       return;
diff --git a/src/routes/events/+page.svelte b/src/routes/events/+page.svelte
index 0757726..96e5c56 100644
--- a/src/routes/events/+page.svelte
+++ b/src/routes/events/+page.svelte
@@ -76,7 +76,7 @@
       const npub = toNpub(pubkey);
       if (npub) {
         // Force fetch to ensure profile is cached
-        await getUserMetadata(npub, true);
+        await getUserMetadata(npub, undefined, true);
         console.log(`[Events Page] Cached profile for pubkey: ${pubkey}`);
       }
     } catch (error) {
diff --git a/src/routes/new/compose/+page.svelte b/src/routes/new/compose/+page.svelte
index 495be61..2d20b3b 100644
--- a/src/routes/new/compose/+page.svelte
+++ b/src/routes/new/compose/+page.svelte
@@ -6,6 +6,9 @@
   import { nip19 } from "nostr-tools";
   import { publishMultipleZettels } from "$lib/services/publisher";
   import { parseAsciiDocWithMetadata } from "$lib/utils/asciidoc_metadata";
+  import { getNdkContext } from "$lib/ndk";
+
+  const ndk = getNdkContext();
 
   let content = $state("");
   let showPreview = $state(false);
@@ -38,7 +41,7 @@
         // Only used for catastrophic errors
         publishResults = { successCount: 0, total: 0, errors: [error], successfulEvents: [], failedEvents: [] };
       },
-    });
+    }, ndk);
 
     const successCount = results.filter(r => r.success).length;
     const errors = results.filter(r => !r.success && r.error).map(r => r.error!);
@@ -91,7 +94,7 @@
         onError: (error) => {
           console.error('Retry failed:', error);
         },
-      });
+      }, ndk);
       
       if (result[0]?.success && result[0]?.eventId) {
         // Update the successful events list
diff --git a/src/routes/publication/[type]/[identifier]/+layout.svelte b/src/routes/publication/[type]/[identifier]/+layout.svelte
index 9ebd55c..c40149c 100644
--- a/src/routes/publication/[type]/[identifier]/+layout.svelte
+++ b/src/routes/publication/[type]/[identifier]/+layout.svelte
@@ -6,27 +6,38 @@
   
   // AI-NOTE: Use metadata from server-side load for SEO and social sharing
   const { metadata } = data;
+  
+  // Type assertion for optional metadata properties
+  const meta = metadata as typeof metadata & { 
+    title?: string; 
+    summary?: string; 
+    image?: string; 
+  };
 </script>
 
 <!-- TODO: Provide fallback metadata values to use if the publication is on an auth-to-read relay. -->
 <svelte:head>
   <!-- Basic meta tags -->
-  <title>{metadata.title}</title>
-  <meta name="description" content={metadata.summary} />
+  <title>{meta.title || "Alexandria - Nostr Publications"}</title>
+  <meta name="description" content={meta.summary || "Read and discover long-form content on Nostr"} />
 
   <!-- OpenGraph meta tags -->
-  <meta property="og:title" content={metadata.title} />
-  <meta property="og:description" content={metadata.summary} />
-  <meta property="og:url" content={metadata.currentUrl} />
+  <meta property="og:title" content={meta.title || "Alexandria - Nostr Publications"} />
+  <meta property="og:description" content={meta.summary || "Read and discover long-form content on Nostr"} />
+  <meta property="og:url" content={meta.currentUrl} />
   <meta property="og:type" content="article" />
   <meta property="og:site_name" content="Alexandria" />
-  <meta property="og:image" content={metadata.image} />
+  {#if meta.image}
+    <meta property="og:image" content={meta.image} />
+  {/if}
 
   <!-- Twitter Card meta tags -->
   <meta name="twitter:card" content="summary_large_image" />
-  <meta name="twitter:title" content={metadata.title} />
-  <meta name="twitter:description" content={metadata.summary} />
-  <meta name="twitter:image" content={metadata.image} />
+  <meta name="twitter:title" content={meta.title || "Alexandria - Nostr Publications"} />
+  <meta name="twitter:description" content={meta.summary || "Read and discover long-form content on Nostr"} />
+  {#if meta.image}
+    <meta name="twitter:image" content={meta.image} />
+  {/if}
 </svelte:head>
 
 {@render children()}
\ No newline at end of file
diff --git a/src/routes/visualize/+page.svelte b/src/routes/visualize/+page.svelte
index 7d8124a..fa46745 100644
--- a/src/routes/visualize/+page.svelte
+++ b/src/routes/visualize/+page.svelte
@@ -578,7 +578,8 @@
       
       profileEvents = await batchFetchProfiles(
         Array.from(allPubkeys),
-        (fetched, total) => {
+        ndk,
+        (fetched: number, total: number) => {
           profileLoadingProgress = { current: fetched, total };
         }
       );
@@ -681,6 +682,7 @@
           tags,
           existingEventIds,
           baseEvents,
+          ndk,
           debug
         );
         newPublications = result.publications;
@@ -698,6 +700,7 @@
       await fetchProfilesForNewEvents(
         newPublications,
         newContentEvents,
+        ndk,
         (progress: { current: number; total: number } | null) => { profileLoadingProgress = progress; },
         debug
       );
diff --git a/tests/unit/eventInput30040.test.ts b/tests/unit/eventInput30040.test.ts
index a7064c3..b7687bd 100644
--- a/tests/unit/eventInput30040.test.ts
+++ b/tests/unit/eventInput30040.test.ts
@@ -18,13 +18,12 @@ vi.mock("@nostr-dev-kit/ndk", () => ({
   })),
 }));
 
-// TODO: Replace with getNdkContext mock.
-vi.mock("../../src/lib/ndk", () => ({
-  ndkInstance: {
-    subscribe: vi.fn(),
-  },
-  getNdk: vi.fn(() => ({})),
-}));
+// Mock NDK context
+const mockNdk = {
+  subscribe: vi.fn(),
+  fetchEvents: vi.fn(),
+  pool: { relays: new Map() },
+};
 
 vi.mock("svelte/store", () => ({
   get: vi.fn(() => ({})),
@@ -67,6 +66,7 @@ This is the content of the second section.`;
         content,
         tags,
         baseEvent,
+        mockNdk as any,
       );
 
       // Test index event
@@ -163,6 +163,7 @@ This is the content of the second section.`;
         content,
         tags,
         baseEvent,
+        mockNdk as any,
       );
 
       // Test index event
@@ -240,6 +241,7 @@ This is the preamble content.
         content,
         tags,
         baseEvent,
+        mockNdk as any,
       );
 
       // Test index event
@@ -295,6 +297,7 @@ This is the preamble content.
         content,
         tags,
         baseEvent,
+        mockNdk as any,
       );
 
       // Test index event
@@ -343,6 +346,7 @@ index card`;
         content,
         tags,
         baseEvent,
+        mockNdk as any,
       );
 
       // Test index event
@@ -368,6 +372,7 @@ index card`;
         content,
         tags,
         baseEvent,
+        mockNdk as any,
       );
 
       // Test index event
@@ -435,6 +440,7 @@ This is the section content.`;
         content,
         tags,
         baseEvent,
+        mockNdk as any,
       );
 
       // Test index event metadata
@@ -574,6 +580,7 @@ This is just preamble content.`;
         content,
         tags,
         baseEvent,
+        mockNdk as any,
       );
 
       expect(indexEvent.kind).toBe(30040);
@@ -602,6 +609,7 @@ Content here.`;
         content,
         tags,
         baseEvent,
+        mockNdk as any,
       );
 
       expect(indexEvent.kind).toBe(30040);
@@ -631,6 +639,7 @@ Content here.`;
         content,
         tags,
         baseEvent,
+        mockNdk as any,
       );
 
       expect(indexEvent.kind).toBe(30040);
diff --git a/tests/unit/tagExpansion.test.ts b/tests/unit/tagExpansion.test.ts
index 307ebd9..cc55fb9 100644
--- a/tests/unit/tagExpansion.test.ts
+++ b/tests/unit/tagExpansion.test.ts
@@ -44,7 +44,12 @@ class MockNDKEvent {
 // Mock NDK instance
 const mockNDK = {
   fetchEvents: vi.fn(),
-};
+  pool: {},
+  debug: false,
+  mutedIds: new Set(),
+  queuesZapConfig: {},
+  // Add other required properties as needed for the mock
+} as any;
 
 // Mock the ndkInstance store
 // TODO: Replace with getNdkContext mock.
@@ -167,6 +172,7 @@ describe("Tag Expansion Tests", () => {
         ["bitcoin"],
         existingEventIds,
         baseEvents,
+        mockNDK as any,
         debug,
       );
 
@@ -205,6 +211,7 @@ describe("Tag Expansion Tests", () => {
         ["bitcoin"],
         existingEventIds,
         baseEvents,
+        mockNDK as any,
         debug,
       );
 
@@ -227,6 +234,7 @@ describe("Tag Expansion Tests", () => {
         [],
         existingEventIds,
         baseEvents,
+        mockNDK as any,
         debug,
       );
 
@@ -336,6 +344,7 @@ describe("Tag Expansion Tests", () => {
       await fetchProfilesForNewEvents(
         mockPublications as NDKEvent[],
         mockContentEvents as NDKEvent[],
+        mockNDK as any,
         onProgressUpdate,
         debug,
       );
@@ -357,6 +366,7 @@ describe("Tag Expansion Tests", () => {
       await fetchProfilesForNewEvents(
         [],
         [],
+        mockNDK as any,
         onProgressUpdate,
         debug,
       );
@@ -390,6 +400,7 @@ describe("Tag Expansion Tests", () => {
         ["bitcoin"],
         existingEventIds,
         baseEvents,
+        mockNDK as any,
         debug,
       );
 
@@ -413,6 +424,7 @@ describe("Tag Expansion Tests", () => {
       await fetchProfilesForNewEvents(
         relayResult.publications,
         relayResult.contentEvents,
+        mockNDK as any,
         onProgressUpdate,
         debug,
       );