crates/signed_core/src/filters.rs

@@ -38,6 +38,16 @@ const GIT_ROOT_KINDS: [Kind; 4] = [
     Kind::GitRepoAnnouncement,
 ];
 
+/// Kinds that carry repository data: announcements, states, activity and deletions.
+pub fn is_repo_kind(kind: Kind) -> bool {
+    kind == Kind::GitRepoAnnouncement
+        || kind == Kind::RepoState
+        || kind == Kind::EventDeletion
+        || kind == Kind::RequestToVanish
+        || kind == COVER_NOTE_KIND
+        || ACTIVITY_KINDS.contains(&kind)
+}
+
 /// Value of the first tag named `name` on `event`.
 fn tag_value<'a>(event: &'a Event, name: &str) -> Option<&'a str> {
     event

crates/signed_state/src/backend.rs

@@ -37,9 +37,10 @@ pub enum BackendEvent {
     PassphraseRequired,
     /// The signer changed on login, logout or account switch.
     SignerChanged,
-    /// Events received from a relay, including this client's own events echoed
-    /// back by a relay after publishing.
-    NostrUpdate(Vec<Update>),
+    /// Kind-0 metadata arrived for these authors; re-read them from the store.
+    ProfileUpdates(Vec<PublicKey>),
+    /// Repository events arrived: announcements, states, activity and deletions.
+    RepoUpdates(Vec<Update>),
     Synced,
     SyncProgress {
         total: u64,
@@ -89,12 +90,16 @@ impl Backend {
 
         let pump: Task<Result<(), Error>> = cx.spawn(async move |this, cx| {
             let mut notifications = pump_client.notifications();
-            let mut pending: Vec<Update> = Vec::new();
+            let mut pending_profiles: HashSet<PublicKey> = HashSet::new();
+            let mut pending_repos: Vec<Update> = Vec::new();
             let mut seen: HashSet<EventId> = HashSet::new();
 
             'outer: loop {
                 match next_update(&mut notifications, &mut seen).await {
-                    Some(update) => pending.push(update),
+                    Some(UpdateEvent::Profile(author)) => {
+                        pending_profiles.insert(author);
+                    }
+                    Some(UpdateEvent::Repo(update)) => pending_repos.push(update),
                     None => break,
                 }
 
@@ -114,18 +119,29 @@ impl Backend {
                     futures::pin_mut!(next);
 
                     match futures::future::select(next, timer).await {
-                        futures::future::Either::Left((Some(update), _)) => pending.push(update),
+                        futures::future::Either::Left((Some(UpdateEvent::Profile(author)), _)) => {
+                            pending_profiles.insert(author);
+                        }
+                        futures::future::Either::Left((Some(UpdateEvent::Repo(update)), _)) => {
+                            pending_repos.push(update);
+                        }
                         futures::future::Either::Left((None, _)) => break 'outer,
                         futures::future::Either::Right(_) => break,
                     }
                 }
 
-                let batch = std::mem::take(&mut pending);
+                let profiles: Vec<PublicKey> = pending_profiles.drain().collect();
+                let repos = std::mem::take(&mut pending_repos);
 
-                if let Err(e) =
-                    this.update(cx, |_this, cx| cx.emit(BackendEvent::NostrUpdate(batch)))
-                {
-                    log::warn!("failed to emit nostr update: {e}");
+                if let Err(e) = this.update(cx, |_this, cx| {
+                    if !profiles.is_empty() {
+                        cx.emit(BackendEvent::ProfileUpdates(profiles));
+                    }
+                    if !repos.is_empty() {
+                        cx.emit(BackendEvent::RepoUpdates(repos));
+                    }
+                }) {
+                    log::warn!("failed to emit backend update: {e}");
                 }
             }
 
@@ -1298,18 +1314,34 @@ impl Backend {
     }
 }
 
+/// A relay event the backend routes to a store group.
+enum UpdateEvent {
+    Profile(PublicKey),
+    Repo(Update),
+}
+
 /// Await the next relay event from the notification stream.
 async fn next_update(
     notifications: &mut (impl futures::Stream<Item = ClientNotification> + Unpin),
     seen: &mut HashSet<EventId>,
-) -> Option<Update> {
+) -> Option<UpdateEvent> {
     loop {
         match notifications.next().await {
             Some(ClientNotification::Message { message, .. }) => {
-                if let RelayMessage::Event { event, .. } = *message
-                    && seen.insert(event.id)
-                {
-                    return Some(Update::from_event(&event));
+                let RelayMessage::Event { event, .. } = *message else {
+                    continue;
+                };
+
+                let update = match event.kind {
+                    Kind::Metadata => UpdateEvent::Profile(event.pubkey),
+                    kind if filters::is_repo_kind(kind) => {
+                        UpdateEvent::Repo(Update::from_event(&event))
+                    }
+                    _ => continue,
+                };
+
+                if seen.insert(event.id) {
+                    return Some(update);
                 }
             }
             Some(_) => continue,

crates/signed_state/src/profile.rs

@@ -92,31 +92,28 @@ impl ProfileStore {
 
     pub(crate) fn new(cx: &mut Context<Self>) -> Self {
         let backend = Backend::global(cx);
+        let client = backend.read(cx).client();
 
         let subscription = cx.subscribe(&backend, |this, _backend, event, cx| {
-            if let BackendEvent::NostrUpdate(updates) = event {
-                for update in updates
-                    .iter()
-                    .filter(|update| update.kind == Kind::Metadata)
-                {
-                    this.apply_author(update.author, cx);
+            if let BackendEvent::ProfileUpdates(authors) = event {
+                for author in authors {
+                    this.apply_author(*author, cx);
                 }
             }
         });
 
-        // Fetch requests are queued on a channel, batched into one sync per debounce window.
-        let client = backend.read(cx).client();
-        let (sender, receiver) = flume::unbounded::<PublicKey>();
         let entity = cx.entity().downgrade();
+        let entity_clone = entity.clone();
+
+        let (sender, receiver) = flume::unbounded::<PublicKey>();
 
         cx.spawn(async move |_this, cx| {
             Self::handle_requests(entity, &client, &receiver, cx).await
         })
         .detach();
 
-        let weak = cx.entity().downgrade();
         cx.defer(move |cx| {
-            if let Err(error) = weak.update(cx, |this, cx| this.load(cx)) {
+            if let Err(error) = entity_clone.update(cx, |this, cx| this.load(cx)) {
                 log::warn!("profile store dropped before initial load could run: {error}");
             }
         });
@@ -221,8 +218,6 @@ impl ProfileStore {
     }
 
     /// Re-read the latest metadata of every requested author from the local database.
-    ///
-    /// Used after a sync, which produces no NostrUpdate events.
     fn apply_seen(&mut self, cx: &mut Context<Self>) {
         let authors: Vec<PublicKey> = self.seen.borrow().iter().copied().collect();
 
@@ -298,15 +293,20 @@ impl ProfileStore {
 
             // The channel has no async timeout, race the receive against a timer.
             let deadline = Instant::now() + BATCH_TIMEOUT;
+
             loop {
                 let now = Instant::now();
+
                 if now >= deadline {
                     break;
                 }
+
                 let timer = cx.background_executor().timer(deadline - now);
                 futures::pin_mut!(timer);
+
                 let recv = receiver.recv_async();
                 futures::pin_mut!(recv);
+
                 match futures::future::select(recv, timer).await {
                     futures::future::Either::Left((Ok(public_key), _)) => {
                         batch.insert(public_key);
@@ -320,9 +320,6 @@ impl ProfileStore {
                 .kind(Kind::Metadata)
                 .authors(batch.drain().collect::<Vec<PublicKey>>());
 
-            // Negentropy-sync with the bootstrap relays.
-            // Synced events are written to the database directly, no NostrUpdate.
-            // Re-apply from the database afterwards.
             match sync_bootstrap_only(client, filter, SyncOptions::default()).await {
                 Ok(_) => {
                     this.update(cx, |this, cx| this.apply_seen(cx)).ok();

crates/signed_state/src/repo.rs

@@ -208,8 +208,7 @@ impl RepoStore {
             };
 
             let relevant = match event {
-                BackendEvent::NostrUpdate(updates) => updates.iter().any(|update| {
-                    // Deletions may target any event of this repository.
+                BackendEvent::RepoUpdates(updates) => updates.iter().any(|update| {
                     let deletion =
                         update.kind == Kind::EventDeletion || update.kind == Kind::RequestToVanish;
 

crates/signed_state/src/repos.rs

@@ -68,24 +68,11 @@ impl RepoListStore {
 
         let subscription = cx.subscribe(&backend, |this, _backend, event, cx| {
             let relevant = match event {
-                BackendEvent::NostrUpdate(updates) => updates.iter().any(|update| {
-                    // Deletions may target anything we list, always refresh.
-                    if update.kind == Kind::EventDeletion || update.kind == Kind::RequestToVanish {
-                        true
-                    } else if filters::ACTIVITY_KINDS.contains(&update.kind) {
-                        // Activity events are addressed to repos via `a` tags.
-                        // Their author is not the repo owner, always refresh.
-                        true
-                    } else {
-                        let is_announcement = update.kind == Kind::GitRepoAnnouncement;
-                        let is_repo_state = update.kind == Kind::RepoState;
-                        is_announcement || is_repo_state
-                    }
-                }),
                 BackendEvent::SignerChanged => {
                     this.state_synced_repos.clear();
                     true
                 }
+                BackendEvent::RepoUpdates(_) => true,
                 BackendEvent::Synced => true,
                 _ => false,
             };

crates/workspace/src/views/inbox.rs

@@ -11,7 +11,7 @@ use gpui::{
 use gpui_component::button::{Button, ButtonVariants};
 use gpui_component::{ActiveTheme, Icon, IconName, IconNamed, Sizable, StyledExt, h_flex, v_flex};
 use nostr::prelude::{Event, EventId, Kind, PublicKey, Timestamp};
-use signed_core::{COVER_NOTE_KIND, InboxItem, InboxReadState, RepoAddr, filters};
+use signed_core::{COVER_NOTE_KIND, InboxItem, InboxReadState, RepoAddr};
 use signed_state::{
     Backend, BackendEvent, ProfileStore, RefreshGate, RefreshRequest, RepoListStore, query_inbox,
 };
@@ -157,20 +157,7 @@ impl InboxView {
 
     fn handle_backend_event(&mut self, event: &BackendEvent, cx: &mut Context<Self>) {
         match event {
-            BackendEvent::NostrUpdate(updates) => {
-                let relevant = updates.iter().any(|update| {
-                    let is_notification = filters::NOTIFICATION_KINDS.contains(&update.kind);
-                    let is_comment = update.kind == Kind::Comment;
-                    let is_event_deletion = update.kind == Kind::EventDeletion;
-                    let is_request_to_vanish = update.kind == Kind::RequestToVanish;
-
-                    is_notification || is_comment || is_event_deletion || is_request_to_vanish
-                });
-
-                if relevant {
-                    self.refresh(cx);
-                }
-            }
+            BackendEvent::RepoUpdates(_) => self.refresh(cx),
             BackendEvent::Synced => self.refresh(cx),
             _ => {}
         }