Ignore self when presenting message actions (#625)

Co-authored-by: jack <jackjackbits@users.noreply.github.com>

bitchat/ViewModels/ChatViewModel.swift

@@ -1489,6 +1489,8 @@ final class ChatViewModel: ObservableObject, BitchatDelegate {
 
             // Track ourselves as active participant
             recordGeoParticipant(pubkeyHex: identity.publicKeyHex)
+            let shortKey = "nostr:" + identity.publicKeyHex.prefix(TransportConfig.nostrShortKeyDisplayLength)
+            nostrKeyMapping[shortKey] = identity.publicKeyHex
             SecureLogger.debug("GeoTeleport: sent geo message pub=\(identity.publicKeyHex.prefix(8))… teleported=\(LocationChannelManager.shared.teleported)", category: .session)
             
             // If we tagged this as teleported, also mark our pubkey in teleportedGeo for UI
@@ -1884,6 +1886,33 @@ final class ChatViewModel: ObservableObject, BitchatDelegate {
         geohashPeople = people
     }
 
+    @MainActor
+    func isSelfSender(peerID: String?, displayName: String?) -> Bool {
+        guard let peerID else { return false }
+        if peerID == meshService.myPeerID { return true }
+        let lowerPeer = peerID.lowercased()
+        guard lowerPeer.hasPrefix("nostr") else { return false }
+
+        if let mapped = nostrKeyMapping[peerID]?.lowercased(),
+           let gh = currentGeohash,
+           let myIdentity = try? NostrIdentityBridge.deriveIdentity(forGeohash: gh) {
+            if mapped == myIdentity.publicKeyHex.lowercased() { return true }
+        }
+
+        if let gh = currentGeohash,
+           let myIdentity = try? NostrIdentityBridge.deriveIdentity(forGeohash: gh) {
+            let myLower = myIdentity.publicKeyHex.lowercased()
+            let shortLen = TransportConfig.nostrShortKeyDisplayLength
+            let shortKey = "nostr:" + myLower.prefix(shortLen)
+            if lowerPeer == shortKey { return true }
+            let suffix = myIdentity.publicKeyHex.suffix(4)
+            let expected = (nickname + "#" + suffix).lowercased()
+            if let display = displayName?.lowercased(), display == expected { return true }
+        }
+
+        return false
+    }
+
     private func startGeoParticipantsTimer() {
         stopGeoParticipantsTimer()
         geoParticipantsTimer = Timer.scheduledTimer(withTimeInterval: 30.0, repeats: true) { [weak self] _ in

bitchat/Views/ContentView.swift

@@ -462,8 +462,13 @@ struct ContentView: View {
                         selectedMessageSender = viewModel.messages.last(where: { $0.senderPeerID == peerID && $0.sender != "system" })?.sender
                     }
                 }
+                if viewModel.isSelfSender(peerID: selectedMessageSenderID, displayName: selectedMessageSender) {
+                    selectedMessageSender = nil
+                    selectedMessageSenderID = nil
+                } else {
                     showMessageActions = true
                 }
+            }
             .onOpenURL { url in
                 guard url.scheme == "bitchat", url.host == "geohash" else { return }
                 let gh = url.path.trimmingCharacters(in: CharacterSet(charactersIn: "/")).lowercased()