Fix Swift 6 isolation: hop to @MainActor inside Timer callback for EOSE tracker mutations

bitchat/Nostr/NostrRelayManager.swift

@@ -264,11 +264,13 @@ final class NostrRelayManager: ObservableObject {
                 var tracker = EOSETracker(pendingRelays: Set(urls), callback: onEOSE, timer: nil)
                 // Fallback timeout to avoid hanging if a relay never sends EOSE
                 tracker.timer = Timer.scheduledTimer(withTimeInterval: 2.0, repeats: false) { [weak self] _ in
-                    guard let self = self else { return }
-                    if let t = self.eoseTrackers[id] {
-                        t.timer?.invalidate()
-                        self.eoseTrackers.removeValue(forKey: id)
-                        onEOSE()
+                    Task { @MainActor in
+                        guard let self = self else { return }
+                        if let t = self.eoseTrackers[id] {
+                            t.timer?.invalidate()
+                            self.eoseTrackers.removeValue(forKey: id)
+                            onEOSE()
+                        }
                     }
                 }
                 eoseTrackers[id] = tracker

bitchat/Views/ContentView.swift

@@ -1183,7 +1183,7 @@ struct ContentView: View {
                         notesGeohash = LocationChannelManager.shared.availableChannels.first(where: { $0.level == .block })?.geohash
                         showLocationNotes = true
                     }) {
-                        HStack(spacing: 4) {
+                        HStack(alignment: .center, spacing: 4) {
                             Image(systemName: "long.text.page.and.pencil")
                                 .font(.system(size: 12))
                                 .foregroundColor(Color(hue: 0.60, saturation: 0.85, brightness: 0.82))
@@ -1191,8 +1191,11 @@ struct ContentView: View {
                                 Text("\(c)")
                                     .font(.system(size: 11, design: .monospaced))
                                     .foregroundColor(Color(hue: 0.60, saturation: 0.85, brightness: 0.82))
+                                    .lineLimit(1)
+                                    .fixedSize(horizontal: true, vertical: false)
                             }
                         }
+                        .fixedSize(horizontal: true, vertical: false)
                     }
                     .buttonStyle(.plain)
                     .accessibilityLabel("Location notes for this place")