diff --git a/bitchat.xcodeproj/project.pbxproj b/bitchat.xcodeproj/project.pbxproj
index dc30b8bb..acb41262 100644
--- a/bitchat.xcodeproj/project.pbxproj
+++ b/bitchat.xcodeproj/project.pbxproj
@@ -39,10 +39,8 @@
 		0481A3592E6D929E00FC845E /* tor-nolzma.xcframework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0481A3572E6D929E00FC845E /* tor-nolzma.xcframework */; };
 		0481A35B2E6D9BEF00FC845E /* libz.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 0481A35A2E6D9BEF00FC845E /* libz.tbd */; };
 		0481A35D2E6DA18600FC845E /* libz.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 0481A35C2E6DA18600FC845E /* libz.tbd */; };
-		0C0EFA112E6EAAAA00ABCDEF /* CTorHost.c in Sources */ = {isa = PBXBuildFile; fileRef = 0C0EFA102E6EAAAA00ABCDEF /* CTorHost.c */; };
-		0C0EFA122E6EAAAA00ABCDF0 /* CTorHost.c in Sources */ = {isa = PBXBuildFile; fileRef = 0C0EFA102E6EAAAA00ABCDEF /* CTorHost.c */; };
-		0C0EFA162E6EAABB00ABCDF4 /* TorNotifications.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0C0EFA132E6EAABB00ABCDF1 /* TorNotifications.swift */; };
-		0C0EFA172E6EAABB00ABCDF5 /* TorNotifications.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0C0EFA132E6EAABB00ABCDF1 /* TorNotifications.swift */; };
+		0481A3902E734CAE00FC845E /* CommandProcessorTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0481A38F2E734CAE00FC845E /* CommandProcessorTests.swift */; };
+		0481A3912E734CAE00FC845E /* CommandProcessorTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0481A38F2E734CAE00FC845E /* CommandProcessorTests.swift */; };
 		048A4BE72E5CCCC300162C4A /* TransportConfig.swift in Sources */ = {isa = PBXBuildFile; fileRef = 048A4BE62E5CCCC300162C4A /* TransportConfig.swift */; };
 		048A4BE82E5CCCC300162C4A /* TransportConfig.swift in Sources */ = {isa = PBXBuildFile; fileRef = 048A4BE62E5CCCC300162C4A /* TransportConfig.swift */; };
 		048A4BE92E5CCCC300162C4B /* TransportConfig.swift in Sources */ = {isa = PBXBuildFile; fileRef = 048A4BE62E5CCCC300162C4A /* TransportConfig.swift */; };
@@ -76,6 +74,10 @@
 		049BD3B52E51F319001A566B /* MessageRouter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 049BD3B02E51F319001A566B /* MessageRouter.swift */; };
 		0AE840940F21AFC07C226636 /* PrivateChatE2ETests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8A262EDDC04B7D7B5E31F321 /* PrivateChatE2ETests.swift */; };
 		0B6F25559A21F8C69C8357C6 /* BinaryProtocolTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0B3CC6FA298729906109F61B /* BinaryProtocolTests.swift */; };
+		0C0EFA112E6EAAAA00ABCDEF /* CTorHost.c in Sources */ = {isa = PBXBuildFile; fileRef = 0C0EFA102E6EAAAA00ABCDEF /* CTorHost.c */; };
+		0C0EFA122E6EAAAA00ABCDF0 /* CTorHost.c in Sources */ = {isa = PBXBuildFile; fileRef = 0C0EFA102E6EAAAA00ABCDEF /* CTorHost.c */; };
+		0C0EFA162E6EAABB00ABCDF4 /* TorNotifications.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0C0EFA132E6EAABB00ABCDF1 /* TorNotifications.swift */; };
+		0C0EFA172E6EAABB00ABCDF5 /* TorNotifications.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0C0EFA132E6EAABB00ABCDF1 /* TorNotifications.swift */; };
 		10E68BB889356219189E38EC /* BitchatApp.swift in Sources */ = {isa = PBXBuildFile; fileRef = EF625BB3AD919322C01A46B2 /* BitchatApp.swift */; };
 		1234567890ABCDEFFEDCBA13 /* PeerDisplayNameResolver.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1234567890ABCDEFFEDCBA02 /* PeerDisplayNameResolver.swift */; };
 		1234567890ABCDEFFEDCBA14 /* PeerDisplayNameResolver.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1234567890ABCDEFFEDCBA02 /* PeerDisplayNameResolver.swift */; };
@@ -162,12 +164,12 @@
 		E2DCF7817344F1CCDB8B7B2F /* SecureIdentityStateManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = FDC18D910D6FF2E8B1B6C885 /* SecureIdentityStateManager.swift */; };
 		E65BBB6544FE0159F3C6C3A8 /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 95F16C3A4A5621C74461D8D3 /* LaunchScreen.storyboard */; };
 		EC5241969D2550B97629EBD0 /* SecureLogger.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE7EFB209C86BBD956B749EC /* SecureLogger.swift */; };
-		F0A1B2C3D4E5F60718293A4B /* OSLog+Categories.swift in Sources */ = {isa = PBXBuildFile; fileRef = F0A1B2C3D4E5F60718293A4A /* OSLog+Categories.swift */; };
-		F0A1B2C3D4E5F60718293A4C /* OSLog+Categories.swift in Sources */ = {isa = PBXBuildFile; fileRef = F0A1B2C3D4E5F60718293A4A /* OSLog+Categories.swift */; };
 		ED83C7AC1E6BEF15389C0132 /* PrivateChatE2ETests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8A262EDDC04B7D7B5E31F321 /* PrivateChatE2ETests.swift */; };
 		EE8C3ECADAB3083A2687D50B /* NostrProtocolTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = C272F137CE00FC5A96E0CC06 /* NostrProtocolTests.swift */; };
 		EF49C600C1E464710DD6CA29 /* InputValidator.swift in Sources */ = {isa = PBXBuildFile; fileRef = 90CB7A5CD1D1A521CD31F380 /* InputValidator.swift */; };
 		F06732B1719EE13C5D09CE77 /* NostrProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E5A9FF4AEA8A923317ED26A /* NostrProtocol.swift */; };
+		F0A1B2C3D4E5F60718293A4B /* OSLog+Categories.swift in Sources */ = {isa = PBXBuildFile; fileRef = F0A1B2C3D4E5F60718293A4A /* OSLog+Categories.swift */; };
+		F0A1B2C3D4E5F60718293A4C /* OSLog+Categories.swift in Sources */ = {isa = PBXBuildFile; fileRef = F0A1B2C3D4E5F60718293A4A /* OSLog+Categories.swift */; };
 		F455F011B3B648ADA233F998 /* BinaryProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = A2136C3E22D02D4A8DBE7EAB /* BinaryProtocol.swift */; };
 		FB8819B4C84FAFEF5C36B216 /* KeychainManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 136696FC4436A02D98CE6A77 /* KeychainManager.swift */; };
 		FBC409E105493C491531B59A /* NostrProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E5A9FF4AEA8A923317ED26A /* NostrProtocol.swift */; };
@@ -226,12 +228,11 @@
 		047502B82E560F690083520F /* RelayController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RelayController.swift; sourceTree = "<group>"; };
 		0481A3432E6D869F00FC845E /* TorManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TorManager.swift; sourceTree = "<group>"; };
 		0481A3442E6D869F00FC845E /* TorURLSession.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TorURLSession.swift; sourceTree = "<group>"; };
-		0C0EFA102E6EAAAA00ABCDEF /* CTorHost.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = CTorHost.c; sourceTree = "<group>"; };
-		0C0EFA132E6EAABB00ABCDF1 /* TorNotifications.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TorNotifications.swift; sourceTree = "<group>"; };
 		0481A3532E6D877600FC845E /* README.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
 		0481A3572E6D929E00FC845E /* tor-nolzma.xcframework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcframework; path = "tor-nolzma.xcframework"; sourceTree = "<group>"; };
 		0481A35A2E6D9BEF00FC845E /* libz.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = libz.tbd; path = usr/lib/libz.tbd; sourceTree = SDKROOT; };
 		0481A35C2E6DA18600FC845E /* libz.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = libz.tbd; path = usr/lib/libz.tbd; sourceTree = SDKROOT; };
+		0481A38F2E734CAE00FC845E /* CommandProcessorTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CommandProcessorTests.swift; sourceTree = "<group>"; };
 		048A4BE62E5CCCC300162C4A /* TransportConfig.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TransportConfig.swift; sourceTree = "<group>"; };
 		048A4C272E5FCD6600162C4A /* GeohashBookmarksStore.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GeohashBookmarksStore.swift; sourceTree = "<group>"; };
 		048A4C2A2E5FCE0300162C4A /* GeohashBookmarksStoreTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GeohashBookmarksStoreTests.swift; sourceTree = "<group>"; };
@@ -249,6 +250,8 @@
 		049BD3B12E51F319001A566B /* NostrTransport.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NostrTransport.swift; sourceTree = "<group>"; };
 		05BA20BC0F123F1507C5C247 /* IdentityModels.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = IdentityModels.swift; sourceTree = "<group>"; };
 		0B3CC6FA298729906109F61B /* BinaryProtocolTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BinaryProtocolTests.swift; sourceTree = "<group>"; };
+		0C0EFA102E6EAAAA00ABCDEF /* CTorHost.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = CTorHost.c; sourceTree = "<group>"; };
+		0C0EFA132E6EAABB00ABCDF1 /* TorNotifications.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TorNotifications.swift; sourceTree = "<group>"; };
 		11186E29A064E8D210880E1B /* BitchatPeer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BitchatPeer.swift; sourceTree = "<group>"; };
 		1234567890ABCDEFFEDCBA02 /* PeerDisplayNameResolver.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PeerDisplayNameResolver.swift; sourceTree = "<group>"; };
 		136696FC4436A02D98CE6A77 /* KeychainManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = KeychainManager.swift; sourceTree = "<group>"; };
@@ -299,8 +302,8 @@
 		E95DBE6A48626C5AE287245E /* NoiseProtocolTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NoiseProtocolTests.swift; sourceTree = "<group>"; };
 		EA706D8E5097785414646A8E /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist; path = Info.plist; sourceTree = "<group>"; };
 		EE7EFB209C86BBD956B749EC /* SecureLogger.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SecureLogger.swift; sourceTree = "<group>"; };
-		F0A1B2C3D4E5F60718293A4A /* OSLog+Categories.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "OSLog+Categories.swift"; sourceTree = "<group>"; };
 		EF625BB3AD919322C01A46B2 /* BitchatApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BitchatApp.swift; sourceTree = "<group>"; };
+		F0A1B2C3D4E5F60718293A4A /* OSLog+Categories.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "OSLog+Categories.swift"; sourceTree = "<group>"; };
 		FC75901A0F0073B5BB8356E7 /* TestConstants.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TestConstants.swift; sourceTree = "<group>"; };
 		FDC18D910D6FF2E8B1B6C885 /* SecureIdentityStateManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SecureIdentityStateManager.swift; sourceTree = "<group>"; };
 		FE7CCF2BD78A3F3DAE6DA145 /* MockBLEService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MockBLEService.swift; sourceTree = "<group>"; };
@@ -542,8 +545,9 @@
 		C3D98EB3E1B455E321F519F4 /* bitchatTests */ = {
 			isa = PBXGroup;
 			children = (
-				048A4C2A2E5FCE0300162C4A /* GeohashBookmarksStoreTests.swift */,
 				D69A18D27F9A565FD6041E12 /* Info.plist */,
+				0481A38F2E734CAE00FC845E /* CommandProcessorTests.swift */,
+				048A4C2A2E5FCE0300162C4A /* GeohashBookmarksStoreTests.swift */,
 				047502912E547ACC0083520F /* LocationChannelsTests.swift */,
 				C272F137CE00FC5A96E0CC06 /* NostrProtocolTests.swift */,
 				980B109CBA72BC996455C62B /* BLEServiceTests.swift */,
@@ -940,6 +944,7 @@
 				047502802E53A0FC0083520F /* FragmentationTests.swift in Sources */,
 				8F282E9CCA5AE1ECC001D2E4 /* IntegrationTests.swift in Sources */,
 				047502B12E55E8450083520F /* InputValidatorTests.swift in Sources */,
+				0481A3912E734CAE00FC845E /* CommandProcessorTests.swift in Sources */,
 				D727EA273CB214FC32612469 /* MockBluetoothMeshService.swift in Sources */,
 				047502932E547ACC0083520F /* LocationChannelsTests.swift in Sources */,
 				048A4C2B2E5FCE0300162C4A /* GeohashBookmarksStoreTests.swift in Sources */,
@@ -963,6 +968,7 @@
 				047502812E53A0FC0083520F /* FragmentationTests.swift in Sources */,
 				686441ABC2AF83EE98E6ECF2 /* IntegrationTests.swift in Sources */,
 				047502B02E55E8450083520F /* InputValidatorTests.swift in Sources */,
+				0481A3902E734CAE00FC845E /* CommandProcessorTests.swift in Sources */,
 				8851F08D88C5B1DE7B9F55C6 /* MockBluetoothMeshService.swift in Sources */,
 				047502922E547ACC0083520F /* LocationChannelsTests.swift in Sources */,
 				048A4C2C2E5FCE0300162C4A /* GeohashBookmarksStoreTests.swift in Sources */,
diff --git a/bitchat/Services/CommandProcessor.swift b/bitchat/Services/CommandProcessor.swift
index 91bbffb5..f46b56b4 100644
--- a/bitchat/Services/CommandProcessor.swift
+++ b/bitchat/Services/CommandProcessor.swift
@@ -50,9 +50,9 @@ final class CommandProcessor {
         case "/clear":
             return handleClear()
         case "/hug":
-            return handleEmote(args, action: "hugs", emoji: "🫂")
+            return handleEmote(args, command: "hug", action: "hugs", emoji: "🫂")
         case "/slap":
-            return handleEmote(args, action: "slaps", emoji: "🐟", suffix: " around a bit with a large trout")
+            return handleEmote(args, command: "slap", action: "slaps", emoji: "🐟", suffix: " around a bit with a large trout")
         case "/block":
             return handleBlock(args)
         case "/unblock":
@@ -129,17 +129,17 @@ final class CommandProcessor {
         return .handled
     }
     
-    private func handleEmote(_ args: String, action: String, emoji: String, suffix: String = "") -> CommandResult {
+    private func handleEmote(_ args: String, command: String, action: String, emoji: String, suffix: String = "") -> CommandResult {
         let targetName = args.trimmingCharacters(in: .whitespaces)
         guard !targetName.isEmpty else {
-            return .error(message: "usage: /\(action) <nickname>")
+            return .error(message: "usage: /\(command) <nickname>")
         }
         
         let nickname = targetName.hasPrefix("@") ? String(targetName.dropFirst()) : targetName
         
         guard let targetPeerID = chatViewModel?.getPeerIDForNickname(nickname),
               let myNickname = chatViewModel?.nickname else {
-            return .error(message: "cannot \(action) \(nickname): not found")
+            return .error(message: "cannot \(command) \(nickname): not found")
         }
         
         let emoteContent = "* \(emoji) \(myNickname) \(action) \(nickname)\(suffix) *"
diff --git a/bitchat/ViewModels/ChatViewModel.swift b/bitchat/ViewModels/ChatViewModel.swift
index ca66454c..92306087 100644
--- a/bitchat/ViewModels/ChatViewModel.swift
+++ b/bitchat/ViewModels/ChatViewModel.swift
@@ -2958,6 +2958,14 @@ final class ChatViewModel: ObservableObject, BitchatDelegate {
         // When in a geohash channel, allow resolving by geohash participant nickname
         switch LocationChannelManager.shared.selectedChannel {
         case .location:
+            // If a disambiguation suffix is present (e.g., "name#abcd"), try exact displayName match first
+            if nickname.contains("#") {
+                if let person = visibleGeohashPeople().first(where: { $0.displayName == nickname }) {
+                    let convKey = "nostr_" + String(person.id.prefix(TransportConfig.nostrConvKeyPrefixLength))
+                    nostrKeyMapping[convKey] = person.id
+                    return convKey
+                }
+            }
             let base: String = {
                 if let hashIndex = nickname.firstIndex(of: "#") { return String(nickname[..<hashIndex]) }
                 return nickname
diff --git a/bitchat/Views/ContentView.swift b/bitchat/Views/ContentView.swift
index 779a9d92..921bebe7 100644
--- a/bitchat/Views/ContentView.swift
+++ b/bitchat/Views/ContentView.swift
@@ -444,7 +444,19 @@ struct ContentView: View {
                 let id = url.path.trimmingCharacters(in: CharacterSet(charactersIn: "/"))
                 let peerID = id.removingPercentEncoding ?? id
                 selectedMessageSenderID = peerID
-                selectedMessageSender = viewModel.messages.last(where: { $0.senderPeerID == peerID })?.sender
+                // Derive a stable display name from the peerID instead of peeking at the last message,
+                // which may be a transformed system action (sender == "system").
+                if peerID.hasPrefix("nostr") {
+                    // For geohash senders, resolve display name via mapping (works for "nostr:" and "nostr_" keys)
+                    selectedMessageSender = viewModel.geohashDisplayName(for: peerID)
+                } else {
+                    // Mesh sender: use current mesh nickname if available; otherwise fall back to last non-system message
+                    if let name = viewModel.meshService.peerNickname(peerID: peerID) {
+                        selectedMessageSender = name
+                    } else {
+                        selectedMessageSender = viewModel.messages.last(where: { $0.senderPeerID == peerID && $0.sender != "system" })?.sender
+                    }
+                }
                 showMessageActions = true
             }
             .onOpenURL { url in
diff --git a/bitchatTests/CommandProcessorTests.swift b/bitchatTests/CommandProcessorTests.swift
new file mode 100644
index 00000000..75bbdaf8
--- /dev/null
+++ b/bitchatTests/CommandProcessorTests.swift
@@ -0,0 +1,42 @@
+import XCTest
+@testable import bitchat
+
+final class CommandProcessorTests: XCTestCase {
+
+    @MainActor
+    func test_slap_notFoundGrammar() {
+        let processor = CommandProcessor(chatViewModel: nil, meshService: nil)
+        let result = processor.process("/slap @system")
+        switch result {
+        case .error(let message):
+            XCTAssertEqual(message, "cannot slap system: not found")
+        default:
+            XCTFail("Expected error result")
+        }
+    }
+
+    @MainActor
+    func test_hug_notFoundGrammar() {
+        let processor = CommandProcessor(chatViewModel: nil, meshService: nil)
+        let result = processor.process("/hug @system")
+        switch result {
+        case .error(let message):
+            XCTAssertEqual(message, "cannot hug system: not found")
+        default:
+            XCTFail("Expected error result")
+        }
+    }
+
+    @MainActor
+    func test_slap_usageMessage() {
+        let processor = CommandProcessor(chatViewModel: nil, meshService: nil)
+        let result = processor.process("/slap")
+        switch result {
+        case .error(let message):
+            XCTAssertEqual(message, "usage: /slap <nickname>")
+        default:
+            XCTFail("Expected error result for usage message")
+        }
+    }
+}
+