crates/dock/src/dock_area.rs

@@ -105,6 +105,7 @@ impl SignedDockSkin {
 }
 
 /// Payload a dock's resize handle drags.
+///
 /// It draws nothing, the handle element is the visible affordance.
 #[derive(Clone)]
 struct ResizePanel;

crates/signed_core/src/filters.rs

@@ -94,13 +94,6 @@ pub fn comments_for(roots: impl IntoIterator<Item = EventId>) -> Vec<Filter> {
     ]
 }
 
-/// All repositories announced by an author.
-pub fn announcements_by(public_key: PublicKey) -> Filter {
-    Filter::new()
-        .kind(Kind::GitRepoAnnouncement)
-        .author(public_key)
-}
-
 /// All repository announcements, for global discovery.
 pub fn all_announcements() -> Filter {
     Filter::new().kind(Kind::GitRepoAnnouncement)

crates/signed_core/src/model.rs

@@ -2,7 +2,7 @@ use std::collections::HashSet;
 
 use nostr::prelude::*;
 
-use crate::RepoAddr;
+use crate::{RepoAddr, repo_addr};
 
 /// Parsed NIP-34 repository announcement, plain data ready for the UI.
 #[derive(Debug, Clone, PartialEq, Eq)]
@@ -267,8 +267,8 @@ impl Announcement {
     }
 
     /// The repository address of this announcement.
-    pub fn addr(&self) -> crate::RepoAddr {
-        crate::repo_addr(self.owner, self.id.clone())
+    pub fn addr(&self) -> RepoAddr {
+        repo_addr(self.owner, self.id.clone())
     }
 
     /// The name of the repository, or a default if none is provided.

crates/signed_state/src/checkouts.rs

@@ -64,10 +64,17 @@ struct Remembered {
 }
 
 /// Global store of local-checkout associations and per-checkout statuses.
+///
+/// Readers (the sidebar rows, the repository panels) observe this store and
+/// derive what they display from their own snapshots, so publishing needs no
+/// fine-grained entities: the store notifies when a slice changed and each
+/// reader re-derives only what it shows.
 pub struct CheckoutsStore {
     /// Checkout paths per announced repository.
     by_repo: HashMap<RepoAddr, Vec<PathBuf>>,
     /// Ready-to-contribute statuses of the requested repositories.
+    ///
+    /// Those are the repository detail panels currently open.
     statuses: HashMap<RepoAddr, Vec<CheckoutStatus>>,
     /// Repositories whose statuses are recomputed on every input change.
     ///
@@ -77,7 +84,7 @@ pub struct CheckoutsStore {
     ///
     /// The sidebar rows of the user's own repositories and their detail panels.
     push_requested: HashSet<RepoAddr>,
-    /// Ready-to-push statuses of the requested own repositories.
+    /// The ready-to-push statuses of the requested own repositories.
     push_statuses: HashMap<RepoAddr, Vec<CheckoutStatus>>,
     /// Last announced head branch per requested repository.
     ///
@@ -85,8 +92,8 @@ pub struct CheckoutsStore {
     requested_head: HashMap<RepoAddr, Option<String>>,
     /// Refresh coalescing, see [`RefreshGate`].
     refresh: RefreshGate,
-    _subscriptions: Vec<Subscription>,
     tasks: Vec<Task<Result<(), Error>>>,
+    _subscriptions: Vec<Subscription>,
 }
 
 impl CheckoutsStore {
@@ -127,8 +134,9 @@ impl CheckoutsStore {
                     this.status_requested.clear();
                     this.push_requested.clear();
                     this.requested_head.clear();
-                    this.statuses = HashMap::new();
-                    this.push_statuses = HashMap::new();
+                    this.statuses.clear();
+                    this.push_statuses.clear();
+                    cx.notify();
                     this.refresh(cx);
                 }
             }));
@@ -142,8 +150,8 @@ impl CheckoutsStore {
             push_statuses: HashMap::new(),
             requested_head: HashMap::new(),
             refresh: RefreshGate::default(),
-            _subscriptions: subscriptions,
             tasks: Vec::new(),
+            _subscriptions: subscriptions,
         };
 
         if !cfg!(target_arch = "wasm32") {
@@ -217,7 +225,7 @@ impl CheckoutsStore {
     /// The ready-to-contribute statuses of `addr`.
     ///
     /// Empty while none are known or nothing is ahead.
-    pub fn statuses_of(&self, addr: &RepoAddr) -> Vec<CheckoutStatus> {
+    pub fn ready_statuses_of(&self, addr: &RepoAddr) -> Vec<CheckoutStatus> {
         self.statuses.get(addr).cloned().unwrap_or_default()
     }
 
@@ -228,13 +236,20 @@ impl CheckoutsStore {
     }
 
     /// The ready-to-push statuses of `addr`.
-    /// Only meaningful for repositories announced by the signed-in user.
     ///
     /// Empty while none are known or nothing is unpushed.
     pub fn push_statuses_of(&self, addr: &RepoAddr) -> Vec<CheckoutStatus> {
         self.push_statuses.get(addr).cloned().unwrap_or_default()
     }
 
+    /// The number of unpushed commits for a repository.
+    pub fn unpushed(&self, addr: &RepoAddr) -> usize {
+        self.push_statuses
+            .get(addr)
+            .map(|list| list.iter().map(|status| status.ahead as usize).sum())
+            .unwrap_or(0)
+    }
+
     /// Re-resolve the associations and the requested statuses.
     ///
     /// Requests arriving while a pass runs fold into a follow-up.
@@ -362,10 +377,20 @@ impl CheckoutsStore {
             };
 
             let again = this.update(cx, |this, cx| {
+                let associations_changed = this.by_repo != associations;
+                let statuses_changed = this.statuses != statuses;
+                let push_statuses_changed = this.push_statuses != push_statuses;
+
                 this.by_repo = associations;
                 this.statuses = statuses;
                 this.push_statuses = push_statuses;
-                cx.notify();
+
+                // Poll cycles and identity re-requests recompute the same maps
+                // over and over. Notify only when something actually changed,
+                // so observers skip the no-op heartbeats.
+                if associations_changed || statuses_changed || push_statuses_changed {
+                    cx.notify();
+                }
 
                 this.refresh.finish()
             })?;
@@ -378,6 +403,7 @@ impl CheckoutsStore {
             this.update(cx, |this, cx| {
                 if poll && this.refresh.idle() {
                     this.refresh.debounce();
+
                     // Open panels get the fast cadence.
                     // Each cycle fetches every watched checkout's remote.
                     let delay = if this.status_requested.is_empty() {

crates/signed_state/src/lib.rs

@@ -42,7 +42,7 @@ pub fn init(
     let entity = cx.new(|cx| Backend::new(client, signer, cx));
     Backend::set_global(entity.clone(), cx);
     ProfileStore::set_global(cx.new(ProfileStore::new), cx);
-    RepoListStore::set_global(cx.new(|cx| RepoListStore::new(None, cx)), cx);
+    RepoListStore::set_global(cx.new(RepoListStore::new), cx);
     GitStore::set_global(repos_root, cx);
     LocalReposStore::set_global(cx.new(|cx| LocalReposStore::new(scan_paths, cx)), cx);
     CheckoutsStore::set_global(cx.new(CheckoutsStore::new), cx);
@@ -57,7 +57,7 @@ pub fn init(cx: &mut App) -> Entity<Backend> {
     let entity = cx.new(|cx| Backend::new(client, signer, cx));
     Backend::set_global(entity.clone(), cx);
     ProfileStore::set_global(cx.new(ProfileStore::new), cx);
-    RepoListStore::set_global(cx.new(|cx| RepoListStore::new(None, cx)), cx);
+    RepoListStore::set_global(cx.new(RepoListStore::new), cx);
     GitStore::set_global(PathBuf::new(), cx);
     LocalReposStore::set_global(cx.new(|cx| LocalReposStore::new(Vec::new(), cx)), cx);
     CheckoutsStore::set_global(cx.new(|cx| CheckoutsStore::new(cx)), cx);

crates/signed_state/src/repo_list.rs

@@ -42,7 +42,7 @@ impl RepoActivityCounts {
     }
 }
 
-/// Store listing repository announcements, global discovery or per-author.
+/// Store listing the discovered repository announcements, newest first.
 pub struct RepoListStore {
     /// Shared so views can clone the list per frame without a deep copy.
     pub announcements: Arc<Vec<Announcement>>,
@@ -53,7 +53,6 @@ pub struct RepoListStore {
     ///
     /// Used for the Popular ranking of the explore list.
     pub counts: Arc<HashMap<RepoAddr, RepoActivityCounts>>,
-    author: Option<PublicKey>,
     /// Refresh coalescing, see [`RefreshGate`].
     refresh: RefreshGate,
     tasks: Vec<Task<Result<(), Error>>>,
@@ -61,7 +60,7 @@ pub struct RepoListStore {
 }
 
 impl RepoListStore {
-    /// Retrieve the global explore store.
+    /// Retrieve the global repository list store.
     pub fn global(cx: &App) -> Entity<Self> {
         cx.global::<GlobalRepoListStore>().0.clone()
     }
@@ -70,8 +69,8 @@ impl RepoListStore {
         cx.set_global(GlobalRepoListStore(entity));
     }
 
-    /// Create a store. If `author` is `None`, all announcements are listed.
-    pub fn new(author: Option<PublicKey>, cx: &mut Context<Self>) -> Self {
+    /// Create the store listing all announcements.
+    pub fn new(cx: &mut Context<Self>) -> Self {
         let backend = Backend::global(cx);
 
         let subscription = cx.subscribe(&backend, |this, _backend, event, cx| {
@@ -87,14 +86,11 @@ impl RepoListStore {
                     } else {
                         let is_announcement = update.kind == Kind::GitRepoAnnouncement;
                         let is_repo_state = update.kind == Kind::RepoState;
-                        let tracked = is_announcement || is_repo_state;
-                        tracked && this.author.is_none_or(|a| a == update.author)
+                        is_announcement || is_repo_state
                     }
                 }
                 BackendEvent::Published(event) => {
-                    let kind_match = event.kind == Kind::GitRepoAnnouncement;
-                    let author_match = this.author.is_none_or(|a| a == event.pubkey);
-                    let announcement = kind_match && author_match;
+                    let announcement = event.kind == Kind::GitRepoAnnouncement;
 
                     // Locally published deletions are already in the local database.
                     // Refresh so they take effect immediately, like relay deletions.
@@ -116,7 +112,6 @@ impl RepoListStore {
             announcements: Arc::new(Vec::new()),
             last_activity: Arc::new(HashMap::new()),
             counts: Arc::new(HashMap::new()),
-            author,
             refresh: RefreshGate::default(),
             _subscription: subscription,
             tasks: Vec::new(),
@@ -129,6 +124,15 @@ impl RepoListStore {
         store
     }
 
+    /// The announcements of `user`, newest first.
+    pub fn announcements_of(&self, user: &PublicKey) -> Vec<Announcement> {
+        self.announcements
+            .iter()
+            .filter(|a| a.owner == *user)
+            .cloned()
+            .collect()
+    }
+
     /// Track a spawned task, pruning finished tasks first.
     ///
     /// Keeps the store's task list bounded by the number of in-flight tasks.
@@ -140,14 +144,9 @@ impl RepoListStore {
     /// Negentropy-sync announcements with the bootstrap relays.
     fn subscribe_remote(&mut self, cx: &mut Context<Self>) {
         let backend = Backend::global(cx);
-        let author = self.author;
 
         backend.update(cx, |backend, cx| {
-            let filter = match author {
-                Some(a) => filters::announcements_by(a),
-                None => filters::all_announcements(),
-            };
-            backend.sync_bootstrap(filter, cx);
+            backend.sync_bootstrap(filters::all_announcements(), cx);
             // Deletion requests, NIP-09/62, must be known before any announcement is shown.
             backend.sync_bootstrap(filters::deletions(), cx);
         });
@@ -187,15 +186,11 @@ impl RepoListStore {
 
         let backend = Backend::global(cx);
         let client = backend.read(cx).client();
-        let author = self.author;
 
         let work = cx.background_spawn(async move {
-            let filter = match author {
-                Some(a) => filters::announcements_by(a),
-                None => filters::all_announcements(),
-            };
-
+            let filter = filters::all_announcements();
             let events = client.database().query(filter).await?;
+
             let deletion_events = client.database().query(filters::deletions()).await?;
             let deletions = Deletions::from_events(deletion_events);
 

crates/workspace/src/views/repo_detail/mod.rs

@@ -184,24 +184,31 @@ pub struct RepoDetailView {
     tasks: Vec<Task<Result<(), Error>>>,
     /// Subscriptions keeping the selectors' confirm events alive.
     _subscriptions: Vec<Subscription>,
-    /// Observes the checkouts store.
-    /// Its statuses feed the ready-to-contribute banner of the repository panel.
-    _checkouts_subscription: Subscription,
     /// `(path, branch)` ready-suggestions dismissed by the user, per panel.
     banner_dismissed: HashSet<(PathBuf, String)>,
     /// The announced HEAD the ready statuses were last requested with.
     /// Whether they were requested at all.
     /// Re-requested only when the HEAD, the base default, changes.
-    /// E.g. when the store's first refresh lands.
+    /// e.g. when the store's first refresh lands.
     ready_requested: bool,
     ready_head: Option<String>,
+    /// The global checkouts store's ready-to-contribute statuses of this
+    /// repository, last seen when they drove a render.
+    ///
+    /// The store notifies on any recompute pass; the observer re-renders this
+    /// panel only when these slices changed.
+    ready_statuses: Vec<CheckoutStatus>,
+    /// The global checkouts store's ready-to-push statuses of this repository,
+    /// last seen when they drove a render.
+    push_statuses: Vec<CheckoutStatus>,
     /// Upstream repository, from this fork's `u` tag, the user asked to open.
     /// Its announcement is still being fetched.
     pending_upstream: Option<RepoAddr>,
 }
 
 impl RepoDetailView {
-    /// Open a repository announced on NIP-34.
+    /// Open a repository announced.
+    ///
     /// The store connects to the announcement's relays and loads issues, PRs and statuses.
     pub fn new(
         dock_area: WeakEntity<DockArea>,
@@ -228,8 +235,6 @@ impl RepoDetailView {
     }
 
     /// Open a local repository discovered by the scan.
-    /// There is no announcement and no nostr store until the user publishes it to NIP-34.
-    /// The header shows an Init button instead of the NIP-34 actions.
     pub fn new_local(
         dock_area: WeakEntity<DockArea>,
         local_path: PathBuf,
@@ -240,6 +245,7 @@ impl RepoDetailView {
     }
 
     /// Shared construction.
+    ///
     /// File explorer state, ref selectors and the deferred repository load.
     fn new_common(
         dock_area: WeakEntity<DockArea>,
@@ -271,7 +277,7 @@ impl RepoDetailView {
             .searchable(true)
         });
 
-        let subscriptions = vec![
+        let mut subscriptions = vec![
             cx.subscribe_in(&branch_select, window, |this, _state, event, window, cx| {
                 // `Change` fires only when the selection actually changed.
                 // Picking the already-selected branch emits nothing.
@@ -291,6 +297,17 @@ impl RepoDetailView {
             }),
         ];
 
+        // The ready-to-contribute and ready-to-push banners are driven by the
+        // global checkouts store. It notifies on every recompute; compare the
+        // statuses of this repository so unrelated updates (the sidebar badges,
+        // other open panels) do not re-render this panel.
+        let checkouts = CheckoutsStore::global(cx);
+        subscriptions.push(cx.observe(&checkouts, |this, _checkouts, cx| {
+            if this.refresh_statuses(cx) {
+                cx.notify();
+            }
+        }));
+
         // Defer loading the repository until the window is ready.
         cx.defer_in(window, |this, window, cx| {
             this.load_repo(window, cx);
@@ -328,15 +345,15 @@ impl RepoDetailView {
             tag_select,
             switching_ref: false,
             ref_generation: 0,
-            focus_handle: cx.focus_handle(),
-            tasks: Vec::new(),
-            _subscriptions: subscriptions,
-            _checkouts_subscription: cx
-                .observe(&CheckoutsStore::global(cx), |_this, _store, cx| cx.notify()),
             banner_dismissed: HashSet::new(),
             ready_requested: false,
             ready_head: None,
+            ready_statuses: Vec::new(),
+            push_statuses: Vec::new(),
             pending_upstream: None,
+            focus_handle: cx.focus_handle(),
+            tasks: Vec::new(),
+            _subscriptions: subscriptions,
         }
     }
 
@@ -371,16 +388,20 @@ impl RepoDetailView {
                 })?;
                 Ok(())
             });
+
             self.tasks.push(task);
+
             return;
         }
 
         let Some(initial) = self.initial.as_ref() else {
             return;
         };
+
         let cache = GitStore::global(cx).cache().clone();
         let addr = initial.addr();
         let clone_urls: Vec<String> = initial.clone.iter().map(ToString::to_string).collect();
+
         // Captured before the loads start.
         // A branch/tag switch bumps the generation, discarding the refresh below.
         let refresh_generation = self.ref_generation;
@@ -1414,8 +1435,7 @@ impl RepoDetailView {
                     RepoAction::Delete => this.delete_repository(window, cx),
                 }),
             )
-            .px_4()
-            .pb_4()
+            .p_4()
             .w_full()
             .gap_8()
             .border_b_1()
@@ -1880,6 +1900,26 @@ impl RepoDetailView {
         });
     }
 
+    /// The ready-to-push statuses of this repository in the global checkouts
+    /// store changed since they last drove a render.
+    ///
+    /// Updates the cached slices. `None` store (a local, not yet published,
+    /// repository) has no statuses.
+    fn refresh_statuses(&mut self, cx: &mut Context<Self>) -> bool {
+        let Some(entity) = self.store.clone() else {
+            return false;
+        };
+        let addr = entity.read(cx).addr().clone();
+        let checkouts = CheckoutsStore::global(cx).read(cx);
+        let ready_statuses = checkouts.ready_statuses_of(&addr);
+        let push_statuses = checkouts.push_statuses_of(&addr);
+
+        let changed = ready_statuses != self.ready_statuses || push_statuses != self.push_statuses;
+        self.ready_statuses = ready_statuses;
+        self.push_statuses = push_statuses;
+        changed
+    }
+
     /// The first checkout ready for a pull request on this repository.
     /// Not covered by an open PR of the signed-in user.
     /// Not dismissed in this panel.
@@ -1893,7 +1933,7 @@ impl RepoDetailView {
             return None;
         }
 
-        let statuses = CheckoutsStore::global(cx).read(cx).statuses_of(&addr);
+        let statuses = CheckoutsStore::global(cx).read(cx).ready_statuses_of(&addr);
 
         'status: for status in statuses {
             if self
@@ -1916,15 +1956,19 @@ impl RepoDetailView {
     }
 
     /// The first checkout of this owned repository with unpushed commits.
+    ///
     /// Not dismissed in this panel.
     fn push_suggestion(&self, cx: &App) -> Option<CheckoutStatus> {
         let entity = self.store.as_ref()?;
         let user = Backend::global(cx).read(cx).current_user()?;
+
         if !entity.read(cx).is_author(&user) {
             return None;
         }
+
         let addr = entity.read(cx).addr().clone();
         let statuses = CheckoutsStore::global(cx).read(cx).push_statuses_of(&addr);
+
         statuses.into_iter().find(|status| {
             !self
                 .banner_dismissed
@@ -1933,52 +1977,60 @@ impl RepoDetailView {
     }
 
     /// The ready-to-push banner of an owned repository.
+    ///
     /// A local checkout has unpushed commits, with a Push action and a dismiss control.
     fn render_push_banner(&self, cx: &Context<Self>) -> Option<AnyElement> {
         let status = self.push_suggestion(cx)?;
+        let key = (status.path.clone(), status.branch.clone());
+        let path = status.path.clone();
+
         let commits = if status.ahead == 1 {
             "1 commit".to_owned()
         } else {
             format!("{} commits", status.ahead)
         };
+
         let message = SharedString::from(format!(
             "{} has {} ready to push in {}",
             status.branch,
             commits,
             status.path.display()
         ));
-        let key = (status.path.clone(), status.branch.clone());
-        let view = cx.entity().clone();
-        let path = status.path.clone();
-        let pushing = self.pushing;
 
         Some(
             h_flex()
-                .gap_2()
                 .px_4()
-                .pt_1()
+                .gap_2()
                 .w_full()
                 .items_center()
+                .justify_between()
+                .child(div().text_sm().child(message))
                 .child(
-                    Alert::info("repo-unpushed", message)
-                        .banner()
-                        .flex_1()
-                        .on_close(move |_event, _window, cx| {
-                            view.update(cx, |this, _| {
-                                this.banner_dismissed.insert(key.clone());
-                            });
-                        }),
-                )
-                .child(
-                    Button::new("push-checkout-banner")
-                        .small()
-                        .icon(CustomIconName::Init)
-                        .label("Push")
-                        .loading(pushing)
-                        .disabled(pushing)
-                        .on_click(cx.listener(move |this, _event, window, cx| {
-                            this.push_unpushed_checkout(path.clone(), window, cx);
-                        })),
+                    h_flex()
+                        .gap_1()
+                        .child(
+                            Button::new("push-checkout-banner")
+                                .icon(IconName::ArrowUp)
+                                .label("Push")
+                                .small()
+                                .primary()
+                                .loading(self.pushing)
+                                .disabled(self.pushing)
+                                .on_click(cx.listener(move |this, _event, window, cx| {
+                                    this.push_unpushed_checkout(path.clone(), window, cx);
+                                })),
+                        )
+                        .child(
+                            Button::new("close-repo")
+                                .icon(IconName::Close)
+                                .small()
+                                .ghost()
+                                .disabled(self.pushing)
+                                .on_click(cx.listener(move |this, _ev, _window, cx| {
+                                    this.banner_dismissed.insert(key.clone());
+                                    cx.notify();
+                                })),
+                        ),
                 )
                 .into_any_element(),
         )
@@ -2257,8 +2309,10 @@ impl Render for RepoDetailView {
             .image_cache(gpui::retain_all("repo"))
             .id("repo")
             .size_full()
+            .when_some(banner, |this, banner| {
+                this.child(v_flex().gap_1().py_4().bg(cx.theme().muted).child(banner))
+            })
             .child(self.render_header(cx))
-            .when_some(banner, |this, banner| this.child(banner))
             .when_some(self.error.clone(), |this, error| {
                 this.child(
                     Alert::error("repo-error", error)

crates/workspace/src/views/sidebar/mod.rs

@@ -1,6 +1,7 @@
-use std::collections::HashSet;
+use std::collections::{HashMap, HashSet};
 use std::ops::Range;
 use std::path::{Path, PathBuf};
+use std::sync::Arc;
 use std::time::{SystemTime, UNIX_EPOCH};
 
 use assets::CustomIconName;
@@ -9,7 +10,7 @@ use dock::{
 };
 use gpui::prelude::*;
 use gpui::{
-    AnyElement, App, Context, Div, Entity, EventEmitter, FocusHandle, Focusable, ObjectFit, Render,
+    AnyElement, App, Context, Div, EventEmitter, FocusHandle, Focusable, ObjectFit, Render,
     SharedString, Subscription, WeakEntity, Window, div, img, px, uniform_list,
 };
 use gpui_base::Button as BaseButton;
@@ -17,8 +18,7 @@ use gpui_component::badge::Badge;
 use gpui_component::button::{Button, ButtonVariants};
 use gpui_component::input::InputState;
 use gpui_component::{ActiveTheme, Icon, IconName, Sizable, StyledExt, h_flex, v_flex};
-use nostr::nips::nip01::Coordinate;
-use signed_core::{Announcement, identifier_from_name};
+use signed_core::{Announcement, RepoAddr, identifier_from_name};
 use signed_state::{
     Backend, BackendEvent, CheckoutsStore, LocalReposStore, Profile, ProfileStore, RepoListStore,
 };
@@ -39,90 +39,172 @@ pub struct SidebarPanel {
     focus_handle: FocusHandle,
     dock_area: WeakEntity<DockArea>,
     explore: Option<WeakEntity<RepoListView>>,
-    logged_in: bool,
-    /// Repositories the current user announced, listed under the All Repositories heading.
-    repos: Option<Entity<RepoListStore>>,
-    /// Observes the current user's repo store so the list re-renders.
-    repos_subscription: Option<Subscription>,
-    /// Banner artwork behind the sign-in screen.
+    /// Artwork for the sign-in screen.
     banner: SharedString,
-    _subscription: Subscription,
+    /// The signed-in user's announced repositories, newest first.
+    announcements: Arc<Vec<Announcement>>,
+    /// Local repositories found by the scan that are not announced yet.
+    local_repos: Arc<Vec<PathBuf>>,
+    /// A local scan is currently running.
+    scanning: bool,
+    /// Unpushed local commits per announced repository, the row badge counts.
+    unpushed: HashMap<RepoAddr, usize>,
+    _subscriptions: Vec<Subscription>,
 }
 
 impl SidebarPanel {
     pub fn new(dock_area: WeakEntity<DockArea>, cx: &mut Context<Self>) -> Self {
         let backend = Backend::global(cx);
-        let logged_in = backend.read(cx).current_user().is_some();
+        let repos = RepoListStore::global(cx);
+        let local = LocalReposStore::global(cx);
+        let checkouts = CheckoutsStore::global(cx);
 
-        let subscription = cx.subscribe(&backend, |this, backend, event, cx| {
-            match event {
-                BackendEvent::SignerChanged => {
-                    this.logged_in = backend.read(cx).current_user().is_some();
-                    this.refresh_repos(cx);
-                }
-                BackendEvent::SignerRequired => {
-                    this.logged_in = false;
-                    this.banner = pick_banner();
-                    this.repos = None;
-                    this.repos_subscription = None;
-                }
-                _ => return,
+        let mut subscriptions = Vec::new();
+
+        // Identity changes swap the whole sidebar between the sign-in screen and the signed-in content.
+        subscriptions.push(cx.subscribe(&backend, |this, _backend, event, cx| {
+            let signer_changed = matches!(event, BackendEvent::SignerChanged);
+            let signer_required = matches!(event, BackendEvent::SignerRequired);
+
+            if !signer_changed && !signer_required {
+                return;
             }
-            cx.notify();
-        });
 
-        let mut panel = Self {
+            if signer_required {
+                this.banner = pick_banner();
+            }
+
+            if this.refresh(cx) || signer_required {
+                cx.notify();
+            }
+        }));
+
+        // The merged list re-derives when announcements or the local scan change.
+        subscriptions.push(cx.observe(&repos, |this, _repos, cx| {
+            if this.refresh(cx) {
+                cx.notify();
+            }
+        }));
+
+        // The local scan re-derives when announcements or the local scan change.
+        subscriptions.push(cx.observe(&local, |this, _local, cx| {
+            if this.refresh(cx) {
+                cx.notify();
+            }
+        }));
+
+        // Push statuses are recomputed in the background; only the badge counts change.
+        subscriptions.push(cx.observe(&checkouts, |this, _checkouts, cx| {
+            if this.refresh_unpushed(cx) {
+                cx.notify();
+            }
+        }));
+
+        let mut this = Self {
             focus_handle: cx.focus_handle(),
             dock_area,
-            logged_in,
             explore: None,
-            repos: None,
-            repos_subscription: None,
             banner: pick_banner(),
-            _subscription: subscription,
+            announcements: Arc::new(Vec::new()),
+            local_repos: Arc::new(Vec::new()),
+            scanning: false,
+            unpushed: HashMap::new(),
+            _subscriptions: subscriptions,
         };
 
-        if logged_in {
-            panel.refresh_repos(cx);
-            cx.notify();
-        }
+        // Seed the snapshot right away.
+        // The stores may already hold data from before the panel opened.
+        // The first render must not depend on a later store update.
+        this.refresh(cx);
 
-        panel
+        this
     }
 
-    /// Recreate the store listing the current user's repositories.
+    /// The sidebar renders only its own derived fields, never the stores
+    /// directly. Because the panel is a cached view, a store update alone does
+    /// not re-render it: the observers notify this panel, which re-runs
+    /// `render` over the fresh snapshot.
     ///
-    /// Watch each repository for unpushed local work.
-    fn refresh_repos(&mut self, cx: &mut Context<Self>) {
-        self.repos_subscription = None;
-
-        let checkouts = CheckoutsStore::global(cx);
+    /// Returns `true` when a rendered field changed.
+    fn refresh(&mut self, cx: &mut Context<Self>) -> bool {
         let backend = Backend::global(cx);
-        let author = backend.read(cx).current_user();
+        let user = backend.read(cx).current_user();
 
-        // Create a new repo list store for the signed-in user, if they are logged in.
-        self.repos = author.map(|author| cx.new(|cx| RepoListStore::new(Some(author), cx)));
+        let repo_list = RepoListStore::global(cx);
+        let announcements = user
+            .as_ref()
+            .map(|user| repo_list.read(cx).announcements_of(user))
+            .unwrap_or_default();
 
-        if let Some(store) = self.repos.as_ref() {
-            self.repos_subscription = Some(cx.observe(store, move |_, store, cx| {
-                let addrs: Vec<Coordinate> = store
-                    .read(cx)
-                    .announcements
-                    .iter()
-                    .map(|a| a.addr())
-                    .collect();
+        // A scanned repository is dropped from the local list
+        // once the user announces it, so it is not listed twice.
+        let local = LocalReposStore::global(cx);
+        let scanning = local.read(cx).scanning;
 
-                checkouts.update(cx, |checkouts, cx| {
-                    for addr in addrs {
-                        checkouts.request_push_statuses(&addr, cx);
-                    }
-                });
-            }));
+        let local_repos = {
+            let ids: HashSet<String> = announcements.iter().map(|a| a.id.clone()).collect();
+            local
+                .read(cx)
+                .repos
+                .iter()
+                .filter(|path| {
+                    let Some(name) = path.file_name() else {
+                        return true;
+                    };
+                    !ids.contains(&identifier_from_name(&name.to_string_lossy()))
+                })
+                .cloned()
+                .collect()
+        };
+
+        let announcements_changed = *self.announcements != announcements;
+        let local_changed = *self.local_repos != local_repos;
+        let scanning_changed = self.scanning != scanning;
+
+        self.announcements = Arc::new(announcements);
+        self.local_repos = Arc::new(local_repos);
+        self.scanning = scanning;
+
+        if announcements_changed {
+            self.request_push_watches(cx);
+            self.unpushed.clear();
         }
+
+        announcements_changed || local_changed || scanning_changed
+    }
+
+    /// Recompute the badge counts from the global checkouts store's ready-to-push statuses
+    fn refresh_unpushed(&mut self, cx: &mut Context<Self>) -> bool {
+        let checkouts = CheckoutsStore::global(cx).read(cx);
+        let mut unpushed = HashMap::with_capacity(self.announcements.len());
+
+        for announcement in self.announcements.iter() {
+            let addr = announcement.addr();
+            let count = checkouts.unpushed(&addr);
+            if count > 0 {
+                unpushed.insert(addr, count);
+            }
+        }
+
+        if unpushed == self.unpushed {
+            return false;
+        }
+
+        self.unpushed = unpushed;
+        true
+    }
+
+    /// Keep the `ready to push` statuses of the announced repositories current.
+    fn request_push_watches(&self, cx: &mut Context<Self>) {
+        let checkouts = CheckoutsStore::global(cx);
+        checkouts.update(cx, |checkouts, cx| {
+            for announcement in self.announcements.iter() {
+                checkouts.request_push_statuses(&announcement.addr(), cx);
+            }
+        });
     }
 
     /// Open the Explore repository list panel in the dock area's center.
-    /// No-op if it is already open.
     pub fn open_explore(&mut self, window: &mut Window, cx: &mut Context<Self>) {
         if self
             .explore
@@ -189,10 +271,9 @@ impl SidebarPanel {
     }
 
     fn render_repos(&self, cx: &mut Context<Self>) -> impl IntoElement {
-        let store = self.repos.as_ref();
-        let local = LocalReposStore::global(cx);
-        let local_repos = local.read(cx).repos.clone();
-        let scanning = local.read(cx).scanning;
+        let announcements = self.announcements.clone();
+        let local_repos = self.local_repos.clone();
+        let scanning = self.scanning;
 
         v_flex()
             .px_2()
@@ -239,27 +320,12 @@ impl SidebarPanel {
                             ),
                     ),
             )
-            .when_some(store, |builder, store| {
-                let announcements = store.read(cx).announcements.clone();
-                let ids: HashSet<String> = announcements.iter().map(|a| a.id.clone()).collect();
-
-                let local_repos: Vec<PathBuf> = local_repos
-                    .iter()
-                    .filter(|path| {
-                        let Some(name) = path.file_name() else {
-                            return true;
-                        };
-                        !ids.contains(&identifier_from_name(&name.to_string_lossy()))
-                    })
-                    .cloned()
-                    .collect();
-
-                // One merged list, the user's NIP-34 repositories first.
-                // Local repositories discovered by the scan follow.
+            .map(|this| {
+                // Merged list, the user's NIP-34 repositories and local repositories discovered.
                 let total = announcements.len() + local_repos.len();
 
                 if total == 0 {
-                    builder.child(
+                    this.child(
                         div()
                             .flex_1()
                             .px_2()
@@ -275,7 +341,7 @@ impl SidebarPanel {
                             }),
                     )
                 } else {
-                    builder.child(
+                    this.child(
                         uniform_list(
                             "repos",
                             total,
@@ -325,14 +391,11 @@ impl SidebarPanel {
         let announcement = announcement.clone();
 
         // Badge with the unpushed commit count of the repository's local checkouts.
-        // The commits are ready to push to the grasp servers.
-        let checkout = CheckoutsStore::global(cx);
-        let unpushed = checkout
-            .read(cx)
-            .push_statuses_of(&announcement.addr())
-            .iter()
-            .map(|status| status.ahead as usize)
-            .sum();
+        let unpushed = self
+            .unpushed
+            .get(&announcement.addr())
+            .copied()
+            .unwrap_or(0);
 
         let mut row = NavItem::new(format!("repo:{}", announcement.id), name, avatar);
 
@@ -352,7 +415,7 @@ impl SidebarPanel {
         let name = path
             .file_name()
             .map(|name| name.to_string_lossy().into_owned())
-            .unwrap_or_else(|| path.display().to_string());
+            .unwrap_or("Untitled".into());
         let path = path.to_path_buf();
         let avatar = PixelAvatar::new(path.to_string_lossy());
 
@@ -508,10 +571,6 @@ impl Focusable for SidebarPanel {
 
 impl Render for SidebarPanel {
     fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
-        if !self.logged_in {
-            return self.render_sign_in(window, cx);
-        }
-
         let backend = Backend::global(cx);
         let profile_store = ProfileStore::global(cx);
 
@@ -520,6 +579,10 @@ impl Render for SidebarPanel {
             .current_user()
             .map(|public_key| profile_store.read(cx).get(&public_key));
 
+        if profile.is_none() {
+            return self.render_sign_in(window, cx);
+        }
+
         v_flex()
             .size_full()
             .justify_between()