Fetches profiles for event authors/completers

Ensures profiles are fetched for authors and completers of scheduled events,
improving user experience by displaying relevant user information.

This is achieved by watching for scheduled events and completions, then
fetching profiles for any new pubkeys encountered.

src/modules/nostr-feed/components/NostrFeed.vue

@@ -99,7 +99,7 @@ const { getDisplayName, fetchProfiles } = useProfiles()
 const { getEventReactions, subscribeToReactions, toggleLike } = useReactions()
 
 // Use scheduled events service
-const { getTodaysEvents, getCompletion, toggleComplete } = useScheduledEvents()
+const { getTodaysEvents, getCompletion, toggleComplete, allCompletions } = useScheduledEvents()
 
 // Get today's scheduled events (reactive)
 const todaysScheduledEvents = computed(() => getTodaysEvents())
@@ -118,6 +118,40 @@ watch(notes, async (newNotes) => {
   }
 }, { immediate: true })
 
+// Watch for scheduled events and fetch profiles for event authors and completers
+watch(todaysScheduledEvents, async (events) => {
+  if (events.length > 0) {
+    const pubkeys = new Set<string>()
+
+    // Add event authors
+    events.forEach(event => {
+      pubkeys.add(event.pubkey)
+
+      // Add completer pubkey if event is completed
+      const eventAddress = `31922:${event.pubkey}:${event.dTag}`
+      const completion = getCompletion(eventAddress)
+      if (completion) {
+        pubkeys.add(completion.pubkey)
+      }
+    })
+
+    // Fetch all profiles
+    if (pubkeys.size > 0) {
+      await fetchProfiles([...pubkeys])
+    }
+  }
+}, { immediate: true })
+
+// Watch for new completions and fetch profiles for completers
+watch(allCompletions, async (completions) => {
+  if (completions.size > 0) {
+    const pubkeys = [...completions.values()].map(c => c.pubkey)
+    if (pubkeys.length > 0) {
+      await fetchProfiles(pubkeys)
+    }
+  }
+}, { immediate: true })
+
 // Check if we have admin pubkeys configured
 const hasAdminPubkeys = computed(() => adminPubkeys.length > 0)