macOS geohash parity: shared LocationChannelsSheet with permission CTA, enable CoreLocation on macOS, unify geohash participants/DMs, update ContentView (unread + QR on macOS), commands: hide/block /fav & /unfav in geohash, remove /help, make /who show geohash participants, fix ViewBuilder mutation+sheet toolbar, entitlements for mac location

bitchat.xcodeproj/project.pbxproj

@@ -17,6 +17,7 @@
 		0475028D2E54171C0083520F /* LocationChannelManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0475028B2E54171C0083520F /* LocationChannelManager.swift */; };
 		0475028F2E5417660083520F /* LocationChannelsSheet.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0475028E2E5417660083520F /* LocationChannelsSheet.swift */; };
 		047502902E5417660083520F /* LocationChannelsSheet.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0475028E2E5417660083520F /* LocationChannelsSheet.swift */; };
+
 		047502922E547ACC0083520F /* LocationChannelsTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 047502912E547ACC0083520F /* LocationChannelsTests.swift */; };
 		047502932E547ACC0083520F /* LocationChannelsTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 047502912E547ACC0083520F /* LocationChannelsTests.swift */; };
 		047502AC2E55E8360083520F /* BinaryProtocolPaddingTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 047502AB2E55E8360083520F /* BinaryProtocolPaddingTests.swift */; };
@@ -245,6 +246,7 @@
 		9AB6BE4ABD7F5088E9865E56 /* NoiseSession.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NoiseSession.swift; sourceTree = "<group>"; };
 		A08E03AA0C63E97C91749AEC /* ContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentView.swift; sourceTree = "<group>"; };
 		A2136C3E22D02D4A8DBE7EAB /* BinaryProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BinaryProtocol.swift; sourceTree = "<group>"; };
+
 		AA11BB22CC33DD44EE55FF68 /* MessageTextHelpers.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MessageTextHelpers.swift; sourceTree = "<group>"; };
 		B1D6A89B36A3D31E590B94E5 /* NoiseHandshakeCoordinator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NoiseHandshakeCoordinator.swift; sourceTree = "<group>"; };
 		C0DB1DE27F0AAB5092663E8E /* bitchatTests_iOS.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = bitchatTests_iOS.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -441,6 +443,7 @@
 				047502B22E55FED60083520F /* GeohashPeopleList.swift */,
 				047502B32E55FED60083520F /* MeshPeerList.swift */,
 				0475028E2E5417660083520F /* LocationChannelsSheet.swift */,
+
 				763E0DBA9492A654FC0CDCB9 /* AppInfoView.swift */,
 				A08E03AA0C63E97C91749AEC /* ContentView.swift */,
 				9195CDC7EB236AFBC9A4D41A /* FingerprintView.swift */,
@@ -755,6 +758,7 @@
 				7241FFD6CFFB875B864FA223 /* InputValidator.swift in Sources */,
 				FB8819B4C84FAFEF5C36B216 /* KeychainManager.swift in Sources */,
 				0475028F2E5417660083520F /* LocationChannelsSheet.swift in Sources */,
+
 				501BC56B1A08C0327A09AAF1 /* NoiseEncryptionService.swift in Sources */,
 				0475028C2E54171C0083520F /* LocationChannelManager.swift in Sources */,
 				AFF33EF44626EF0579D17EB1 /* NoiseHandshakeCoordinator.swift in Sources */,
@@ -812,6 +816,7 @@
 				EF49C600C1E464710DD6CA29 /* InputValidator.swift in Sources */,
 				8F737CE0435792CC2AD65FCB /* KeychainManager.swift in Sources */,
 				047502902E5417660083520F /* LocationChannelsSheet.swift in Sources */,
+
 				5EE49E150BBF0488E7473687 /* NoiseEncryptionService.swift in Sources */,
 				0475028D2E54171C0083520F /* LocationChannelManager.swift in Sources */,
 				6D0D4A0B1D8B659DCBAE7C9C /* NoiseHandshakeCoordinator.swift in Sources */,

bitchat/Services/AutocompleteService.swift

@@ -14,7 +14,7 @@ class AutocompleteService {
     private let commandRegex = try? NSRegularExpression(pattern: "^/([a-z]*)$", options: [])
     
     private let commands = [
-        "/msg", "/who", "/clear", "/help",
+        "/msg", "/who", "/clear",
         "/hug", "/slap", "/fav", "/unfav",
         "/block", "/unblock"
     ]
@@ -95,7 +95,7 @@ class AutocompleteService {
     
     private func needsArgument(command: String) -> Bool {
         switch command {
-        case "/who", "/clear", "/help":
+        case "/who", "/clear":
             return false
         default:
             return true

bitchat/Services/CommandProcessor.swift

@@ -33,6 +33,15 @@ class CommandProcessor {
         guard let cmd = parts.first else { return .error(message: "Invalid command") }
         let args = parts.count > 1 ? String(parts[1]) : ""
         
+        // Geohash context: disable favoriting in public geohash or GeoDM
+        let inGeoPublic: Bool = {
+            switch LocationChannelManager.shared.selectedChannel {
+            case .mesh: return false
+            case .location: return true
+            }
+        }()
+        let inGeoDM = (chatViewModel?.selectedPrivateChatPeer?.hasPrefix("nostr_") == true)
+
         switch cmd {
         case "/m", "/msg":
             return handleMessage(args)
@@ -49,11 +58,14 @@ class CommandProcessor {
         case "/unblock":
             return handleUnblock(args)
         case "/fav":
+            if inGeoPublic || inGeoDM { return .error(message: "favorites are only for mesh peers in #mesh") }
             return handleFavorite(args, add: true)
         case "/unfav":
+            if inGeoPublic || inGeoDM { return .error(message: "favorites are only for mesh peers in #mesh") }
             return handleFavorite(args, add: false)
+        // /help removed
         case "/help", "/h":
-            return handleHelp()
+            return .error(message: "unknown command: \(cmd)")
         default:
             return .error(message: "unknown command: \(cmd)")
         }
@@ -85,19 +97,34 @@ class CommandProcessor {
     }
     
     private func handleWho() -> CommandResult {
+        // Show geohash participants when in a geohash channel; otherwise mesh peers
+        switch LocationChannelManager.shared.selectedChannel {
+        case .location(let ch):
+            // Geohash context: show visible geohash participants (exclude self)
+            guard let vm = chatViewModel else { return .success(message: "nobody around") }
+            let myHex = (try? NostrIdentityBridge.deriveIdentity(forGeohash: ch.geohash))?.publicKeyHex.lowercased()
+            let people = vm.visibleGeohashPeople().filter { person in
+                if let me = myHex { return person.id.lowercased() != me }
+                return true
+            }
+            let names = people.map { $0.displayName }
+            if names.isEmpty { return .success(message: "no one else is online right now") }
+            return .success(message: "online: " + names.sorted().joined(separator: ", "))
+        case .mesh:
+            // Mesh context: show connected peer nicknames
             guard let peers = meshService?.getPeerNicknames(), !peers.isEmpty else {
                 return .success(message: "no one else is online right now")
             }
-        
             let onlineList = peers.values.sorted().joined(separator: ", ")
             return .success(message: "online: \(onlineList)")
         }
+    }
     
     private func handleClear() -> CommandResult {
         if let peerID = chatViewModel?.selectedPrivateChatPeer {
             chatViewModel?.privateChats[peerID]?.removeAll()
         } else {
-            chatViewModel?.messages.removeAll()
+            chatViewModel?.clearCurrentPublicTimeline()
         }
         return .handled
     }
@@ -165,12 +192,8 @@ class CommandProcessor {
             let geoBlocked = Array(SecureIdentityStateManager.shared.getBlockedNostrPubkeys())
             var geoNames: [String] = []
             if let vm = chatViewModel {
-                #if os(iOS)
                 let visible = vm.visibleGeohashPeople()
                 let visibleIndex = Dictionary(uniqueKeysWithValues: visible.map { ($0.id.lowercased(), $0.displayName) })
-                #else
-                let visibleIndex: [String: String] = [:]
-                #endif
                 for pk in geoBlocked {
                     if let name = visibleIndex[pk.lowercased()] {
                         geoNames.append(name)

bitchat/Services/LocationChannelManager.swift

@@ -1,9 +1,9 @@
 import Foundation
-
-#if os(iOS)
-import CoreLocation
 import Combine
 
+#if os(iOS) || os(macOS)
+import CoreLocation
+
 /// Manages location permissions, one-shot location retrieval, and computing geohash channels.
 /// Not main-actor isolated to satisfy CLLocationManagerDelegate in Swift 6; state updates hop to MainActor.
 final class LocationChannelManager: NSObject, CLLocationManagerDelegate, ObservableObject {
@@ -55,7 +55,7 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
             teleported = teleportedSet.contains(ch.geohash)
         }
         let status: CLAuthorizationStatus
-        if #available(iOS 14.0, *) {
+        if #available(iOS 14.0, macOS 11.0, *) {
             status = cl.authorizationStatus
         } else {
             status = CLLocationManager.authorizationStatus()
@@ -66,7 +66,7 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
     // MARK: - Public API
     func enableLocationChannels() {
         let status: CLAuthorizationStatus
-        if #available(iOS 14.0, *) {
+        if #available(iOS 14.0, macOS 11.0, *) {
             status = cl.authorizationStatus
         } else {
             status = CLLocationManager.authorizationStatus()
@@ -78,7 +78,7 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
             Task { @MainActor in self.permissionState = .restricted }
         case .denied:
             Task { @MainActor in self.permissionState = .denied }
-        case .authorizedAlways, .authorizedWhenInUse:
+        case .authorizedAlways, .authorizedWhenInUse, .authorized:
             Task { @MainActor in self.permissionState = .authorized }
             requestOneShotLocation()
         @unknown default:
@@ -151,8 +151,8 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
         }
     }
 
-    // iOS 14+
+    // iOS 14+ / macOS 11+
-    @available(iOS 14.0, *)
+    @available(iOS 14.0, macOS 11.0, *)
     func locationManagerDidChangeAuthorization(_ manager: CLLocationManager) {
         updatePermissionState(from: manager.authorizationStatus)
         if case .authorized = permissionState {
@@ -180,7 +180,7 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
         case .notDetermined: newState = .notDetermined
         case .restricted: newState = .restricted
         case .denied: newState = .denied
-        case .authorizedAlways, .authorizedWhenInUse: newState = .authorized
+        case .authorizedAlways, .authorizedWhenInUse, .authorized: newState = .authorized
         @unknown default: newState = .restricted
         }
         Task { @MainActor in self.permissionState = newState }
@@ -256,5 +256,4 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
         return dict
     }
 }
-
 #endif

bitchat/ViewModels/ChatViewModel.swift

@@ -352,14 +352,12 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
     private let maxProcessedNostrEvents = 2000
     private let userDefaults = UserDefaults.standard
     private let nicknameKey = "bitchat.nickname"
-    // Location channel state
+    // Location channel state (macOS supports manual geohash selection)
-    #if os(iOS)
     @Published private var activeChannel: ChannelID = .mesh
     private var geoSubscriptionID: String? = nil
     private var geoDmSubscriptionID: String? = nil
     private var currentGeohash: String? = nil
     private var geoNicknames: [String: String] = [:] // pubkeyHex(lowercased) -> nickname
-    #endif
     
     // MARK: - Caches
     
@@ -389,7 +387,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
     // Persist mesh public timeline across channel switches
     private var meshTimeline: [BitchatMessage] = []
     private let meshTimelineCap = 1337
-    #if os(iOS)
     // Persist per-geohash public timelines across switches
     private var geoTimelines: [String: [BitchatMessage]] = [:] // geohash -> messages
     private let geoTimelineCap = 1337
@@ -405,7 +402,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
     @Published private(set) var teleportedGeo: Set<String> = []  // lowercased pubkey hex
     // Sampling subscriptions for multiple geohashes (when channel sheet is open)
     private var geoSamplingSubs: [String: String] = [:] // subID -> geohash
-    #endif
     
     // MARK: - Message Delivery Tracking
     
@@ -592,8 +588,7 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             
             self.cancellables.insert(cancellable)
 
-            // Resubscribe geohash on relay reconnect (iOS only)
+            // Resubscribe geohash on relay reconnect
-            #if os(iOS)
             if let relayMgr = self.nostrRelayManager {
                 relayMgr.$isConnected
                     .receive(on: DispatchQueue.main)
@@ -607,13 +602,11 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
                     }
                     .store(in: &self.cancellables)
             }
-            #endif
         }
 
         // Set up Noise encryption callbacks
         setupNoiseCallbacks()
 
-        #if os(iOS)
         // Observe location channel selection
         LocationChannelManager.shared.$selectedChannel
             .receive(on: DispatchQueue.main)
@@ -628,7 +621,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
         Task { @MainActor in
             self.switchLocationChannel(to: LocationChannelManager.shared.selectedChannel)
         }
-        #endif
         
         // Request notification permission
         NotificationService.shared.requestAuthorization()
@@ -715,7 +707,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
         userDefaults.synchronize()
     }
     
-    #if os(iOS)
     // Resubscribe to the active geohash channel without clearing timeline
     @MainActor
     private func resubscribeCurrentGeohash() {
@@ -897,7 +888,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             }
         } catch { }
     }
-    #endif
 
     // MARK: - Nickname Management
     
@@ -1225,7 +1215,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             let mentions = parseMentions(from: content)
             
             // Add message to local display
-            #if os(iOS)
             var displaySender = nickname
             var localSenderPeerID = meshService.myPeerID
             if case .location(let ch) = activeChannel,
@@ -1234,10 +1223,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
                 displaySender = nickname + "#" + suffix
                 localSenderPeerID = "nostr:\(myGeoIdentity.publicKeyHex.prefix(8))"
             }
-            #else
-            let displaySender = nickname
-            let localSenderPeerID = meshService.myPeerID
-            #endif
 
             let message = BitchatMessage(
                 sender: displaySender,
@@ -1257,7 +1242,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             let ckey = normalizedContentKey(message.content)
             recordContentKey(ckey, timestamp: message.timestamp)
             // Persist to channel-specific timelines
-            #if os(iOS)
             switch activeChannel {
             case .mesh:
                 meshTimeline.append(message)
@@ -1268,26 +1252,19 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
                 if arr.count > geoTimelineCap { arr = Array(arr.suffix(geoTimelineCap)) }
                 geoTimelines[ch.geohash] = arr
             }
-            #else
-            meshTimeline.append(message)
-            trimMeshTimelineIfNeeded()
-            #endif
             trimMessagesIfNeeded()
             
             // Force immediate UI update for user's own messages
             objectWillChange.send()
 
             // Update channel activity time on send
-            #if os(iOS)
             switch activeChannel {
             case .mesh:
                 lastPublicActivityAt["mesh"] = Date()
             case .location(let ch):
                 lastPublicActivityAt["geo:\(ch.geohash)"] = Date()
             }
-            #endif
             
-            #if os(iOS)
             if case .location(let ch) = activeChannel {
                 // Send to geohash channel via Nostr ephemeral
                 Task { @MainActor in
@@ -1326,14 +1303,10 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
                 // Send via mesh with mentions
                 meshService.sendMessage(content, mentions: mentions)
             }
-            #else
+            
-            // Send via mesh with mentions (non-iOS)
-            meshService.sendMessage(content, mentions: mentions)
-            #endif
         }
     }
 
-    #if os(iOS)
     @MainActor
     private func switchLocationChannel(to channel: ChannelID) {
         // Flush pending public buffer to avoid cross-channel bleed
@@ -1376,14 +1349,12 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
         // Ensure self appears immediately in the people list; mark teleported state if applicable
         if let id = try? NostrIdentityBridge.deriveIdentity(forGeohash: ch.geohash) {
             self.recordGeoParticipant(pubkeyHex: id.publicKeyHex)
-            #if os(iOS)
             if LocationChannelManager.shared.teleported {
                 let key = id.publicKeyHex.lowercased()
                 teleportedGeo = teleportedGeo.union([key])
                 SecureLogger.log("GeoTeleport: channel switch mark self teleported key=\(key.prefix(8))… total=\(teleportedGeo.count)",
                                 category: SecureLogger.session, level: .info)
             }
-            #endif
         }
         let subID = "geo-\(ch.geohash)"
         geoSubscriptionID = subID
@@ -1593,8 +1564,7 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
         // Presence announcement removed; we will tag actual chat events instead
     }
 
-    // MARK: - Geohash Participants (iOS)
+    // MARK: - Geohash Participants
-    #if os(iOS)
     struct GeoPerson: Identifiable, Equatable {
         let id: String        // pubkey hex (lowercased)
         let displayName: String
@@ -1652,10 +1622,8 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
         geoParticipantsTimer?.invalidate()
         geoParticipantsTimer = nil
     }
-    #endif
     
-    // MARK: - Public helpers (iOS)
+    // MARK: - Public helpers
-    #if os(iOS)
     /// Return the current, pruned, sorted people list for the active geohash without mutating state.
     @MainActor
     func visibleGeohashPeople() -> [GeoPerson] {
@@ -1773,7 +1741,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
         for subID in geoSamplingSubs.keys { NostrRelayManager.shared.unsubscribe(id: subID) }
         geoSamplingSubs.removeAll()
     }
-    #endif
 
     private func displayNameForNostrPubkey(_ pubkeyHex: String) -> String {
         let suffix = String(pubkeyHex.suffix(4))
@@ -1793,16 +1760,12 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
 
     // Helper: display name for current active channel (for notifications)
     private func activeChannelDisplayName() -> String {
-        #if os(iOS)
         switch activeChannel {
         case .mesh:
             return "#mesh"
         case .location(let ch):
             return "#\(ch.geohash)"
         }
-        #else
-        return "#mesh"
-        #endif
     }
 
     // Dedup helper with small memory cap
@@ -1819,7 +1782,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             }
         }
     }
-    #endif
     
     /// Sends an encrypted private message to a specific peer.
     /// - Parameters:
@@ -1831,7 +1793,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
         guard !content.isEmpty else { return }
         
         // Geohash DM routing: conversation keys start with "nostr_"
-        #if os(iOS)
         if peerID.hasPrefix("nostr_") {
             guard case .location(let ch) = activeChannel else {
                 addSystemMessage("cannot send: not in a location channel")
@@ -1897,7 +1858,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             }
             return
         }
-        #endif
 
         // Check if blocked
         if unifiedPeerService.isBlocked(peerID) {
@@ -1964,7 +1924,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
         }
     }
 
-    #if os(iOS)
     // MARK: - Geohash DMs initiation
     @MainActor
     func startGeohashDM(withPubkeyHex hex: String) {
@@ -1990,7 +1949,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
         }
         return "anon#\(suffix)"
     }
-    #endif
     /// Add a local system message to a private chat (no network send)
     @MainActor
     func addLocalPrivateSystemMessage(_ content: String, to peerID: String) {
@@ -2444,9 +2402,7 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             }
         }
         // Also resubscribe the current geohash channel if active
-        #if os(iOS)
         resubscribeCurrentGeohash()
-        #endif
     }
     
     @MainActor
@@ -2491,7 +2447,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             
         } else {
             // In public chat - send to active public channel
-            #if os(iOS)
             switch activeChannel {
             case .mesh:
                 meshService.sendMessage(screenshotMessage, mentions: [])
@@ -2525,9 +2480,7 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
                     }
                 }
             }
-            #else
+            
-            meshService.sendMessage(screenshotMessage, mentions: [])
-            #endif
 
             // Show local notification immediately as system message
             let localNotification = BitchatMessage(
@@ -2607,7 +2560,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
         privateChatManager.markAsRead(from: peerID)
         
         // Handle GeoDM (nostr_*) read receipts directly via per-geohash identity
-        #if os(iOS)
         if peerID.hasPrefix("nostr_"),
            let recipientHex = nostrKeyMapping[peerID],
            case .location(let ch) = LocationChannelManager.shared.selectedChannel,
@@ -2625,7 +2577,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             }
             return
         }
-        #endif
 
         // Get the peer's Noise key to check for Nostr messages
         var noiseKeyHex: String? = nil
@@ -2722,7 +2673,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
     
     @MainActor
     func getPeerIDForNickname(_ nickname: String) -> String? {
-        #if os(iOS)
         // When in a geohash channel, allow resolving by geohash participant nickname
         switch LocationChannelManager.shared.selectedChannel {
         case .location:
@@ -2736,9 +2686,10 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
                 nostrKeyMapping[convKey] = pub
                 return convKey
             }
-        default: break
+        default:
+            break
         }
-        #endif
+        // Fallback to mesh nickname resolution
         return unifiedPeerService.getPeerID(for: nickname)
     }
     
@@ -2846,7 +2797,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
     func updateAutocomplete(for text: String, cursorPosition: Int) {
         // Build candidate list based on active channel
         let peerCandidates: [String] = {
-            #if os(iOS)
             switch activeChannel {
             case .mesh:
                 let values = meshService.getPeerNicknames().values
@@ -2865,10 +2815,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
                 }
                 return Array(tokens)
             }
-            #else
-            let values = meshService.getPeerNicknames().values
-            return Array(values.filter { $0 != meshService.myNickname })
-            #endif
         }()
 
         let (suggestions, range) = autocompleteService.getSuggestions(
@@ -2989,13 +2935,12 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
         // Determine if this message was sent by self (mesh, geo, or DM)
         let isSelf: Bool = {
             if let spid = message.senderPeerID {
-                #if os(iOS)
+                // In geohash channels, compare against our per-geohash nostr short ID
                 if case .location(let ch) = activeChannel, spid.hasPrefix("nostr:") {
                     if let myGeo = try? NostrIdentityBridge.deriveIdentity(forGeohash: ch.geohash) {
                         return spid == "nostr:\(myGeo.publicKeyHex.prefix(8))"
                     }
                 }
-                #endif
                 return spid == meshService.myPeerID
             }
             // Fallback by nickname
@@ -3146,11 +3091,9 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
                         let (mBase, mSuffix) = splitSuffix(from: matchText.replacingOccurrences(of: "@", with: ""))
                         // Determine if this mention targets me (resolves with optional suffix per active channel)
                         let mySuffix: String? = {
-                            #if os(iOS)
                             if case .location(let ch) = activeChannel, let id = try? NostrIdentityBridge.deriveIdentity(forGeohash: ch.geohash) {
                                 return String(id.publicKeyHex.suffix(4))
                             }
-                            #endif
                             return String(meshService.myPeerID.prefix(4))
                         }()
                         let isMentionToMe: Bool = {
@@ -3602,7 +3545,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
     // Clear the current public channel's timeline (visible + persistent buffer)
     @MainActor
     func clearCurrentPublicTimeline() {
-        #if os(iOS)
         switch activeChannel {
         case .mesh:
             messages.removeAll()
@@ -3611,10 +3553,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             messages.removeAll()
             geoTimelines[ch.geohash] = []
         }
-        #else
-        messages.removeAll()
-        meshTimeline.removeAll()
-        #endif
     }
     
     private func trimPrivateChatMessagesIfNeeded(for peerID: String) {
@@ -4447,7 +4385,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
     // Used for emotes where we want a local system-style confirmation instead.
     @MainActor
     func sendPublicRaw(_ content: String) {
-        #if os(iOS)
         if case .location(let ch) = activeChannel {
             Task { @MainActor in
                 do {
@@ -4471,7 +4408,6 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             }
             return
         }
-        #endif
         // Default: send over mesh
         meshService.sendMessage(content, mentions: [])
     }
@@ -5074,12 +5010,10 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
     // MARK: - Geohash Nickname Resolution (for /block in geohash)
     @MainActor
     func nostrPubkeyForDisplayName(_ name: String) -> String? {
-        // Look up current visible geohash participants for an exact displayName match (iOS only)
+        // Look up current visible geohash participants for an exact displayName match
-        #if os(iOS)
         for p in visibleGeohashPeople() {
             if p.displayName == name { return p.id }
         }
-        #endif
         return nil
     }
     
@@ -5381,8 +5315,7 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
             trimMeshTimelineIfNeeded()
         }
 
-        // Persist geochat messages to per-geohash timeline (iOS-only)
+        // Persist geochat messages to per-geohash timeline
-        #if os(iOS)
         if isGeo && finalMessage.sender != "system" {
             if let gh = currentGeohash {
                 var arr = geoTimelines[gh] ?? []
@@ -5391,20 +5324,14 @@ class ChatViewModel: ObservableObject, BitchatDelegate {
                 geoTimelines[gh] = arr
             }
         }
-        #endif
 
         // Only add message to current timeline if it matches active channel or is system
         let isSystem = finalMessage.sender == "system"
         let channelMatches: Bool = {
-            #if os(iOS)
             switch activeChannel {
             case .mesh: return !isGeo || isSystem
             case .location: return isGeo || isSystem
             }
-            #else
-            // On non-iOS builds, we don't have location channels; accept all
-            return true
-            #endif
         }()
 
         guard channelMatches else { return }

bitchat/Views/ContentView.swift

@@ -33,9 +33,7 @@ struct ContentView: View {
     // MARK: - Properties
     
     @EnvironmentObject var viewModel: ChatViewModel
-    #if os(iOS)
     @ObservedObject private var locationManager = LocationChannelManager.shared
-    #endif
     @State private var messageText = ""
     @State private var textFieldSelection: NSRange? = nil
     @FocusState private var isTextFieldFocused: Bool
@@ -200,7 +198,6 @@ struct ContentView: View {
 
             Button("direct message") {
                 if let peerID = selectedMessageSenderID {
-                    #if os(iOS)
                     if peerID.hasPrefix("nostr:") {
                         if let full = viewModel.fullNostrHex(forSenderPeerID: peerID) {
                             viewModel.startGeohashDM(withPubkeyHex: full)
@@ -208,9 +205,6 @@ struct ContentView: View {
                     } else {
                         viewModel.startPrivateChat(with: peerID)
                     }
-                    #else
-                    viewModel.startPrivateChat(with: peerID)
-                    #endif
                     withAnimation(.easeInOut(duration: 0.2)) {
                         showSidebar = false
                         sidebarDragOffset = 0
@@ -232,7 +226,6 @@ struct ContentView: View {
             
             Button("BLOCK", role: .destructive) {
                 // Prefer direct geohash block when we have a Nostr sender ID
-                #if os(iOS)
                 if let peerID = selectedMessageSenderID, peerID.hasPrefix("nostr:"),
                    let full = viewModel.fullNostrHex(forSenderPeerID: peerID),
                    let sender = selectedMessageSender {
@@ -240,9 +233,6 @@ struct ContentView: View {
                 } else if let sender = selectedMessageSender {
                     viewModel.sendMessage("/block \(sender)")
                 }
-                #else
-                if let sender = selectedMessageSender { viewModel.sendMessage("/block \(sender)") }
-                #endif
             }
             
             Button("cancel", role: .cancel) {}
@@ -290,7 +280,6 @@ struct ContentView: View {
                     let windowedMessages = messages.suffix(currentWindowCount)
 
                     // Build stable UI IDs with a context key to avoid ID collisions when switching channels
-                    #if os(iOS)
                     let contextKey: String = {
                         if let peer = privatePeer { return "dm:\(peer)" }
                         switch locationManager.selectedChannel {
@@ -298,12 +287,6 @@ struct ContentView: View {
                         case .location(let ch): return "geo:\(ch.geohash)"
                         }
                     }()
-                    #else
-                    let contextKey: String = {
-                        if let peer = privatePeer { return "dm:\(peer)" }
-                        return "mesh"
-                    }()
-                    #endif
                     let items = windowedMessages.map { (uiID: "\(contextKey)|\($0.id)", message: $0) }
                     
                     ForEach(items, id: \.uiID) { item in
@@ -399,7 +382,6 @@ struct ContentView: View {
                             // Infinite scroll up: when top row appears, increase window and preserve anchor
                             if message.id == windowedMessages.first?.id, messages.count > windowedMessages.count {
                                 let step = 200
-                                #if os(iOS)
                                 let contextKey: String = {
                                     if let peer = privatePeer { return "dm:\(peer)" }
                                     switch locationManager.selectedChannel {
@@ -407,12 +389,6 @@ struct ContentView: View {
                                     case .location(let ch): return "geo:\(ch.geohash)"
                                     }
                                 }()
-                                #else
-                                let contextKey: String = {
-                                    if let peer = privatePeer { return "dm:\(peer)" }
-                                    return "mesh"
-                                }()
-                                #endif
                                 let preserveID = "\(contextKey)|\(message.id)"
                                 if let peer = privatePeer {
                                     let current = windowCountPrivate[peer] ?? 300
@@ -481,7 +457,6 @@ struct ContentView: View {
                 let gh = url.path.trimmingCharacters(in: CharacterSet(charactersIn: "/")).lowercased()
                 let allowed = Set("0123456789bcdefghjkmnpqrstuvwxyz")
                 guard (2...12).contains(gh.count), gh.allSatisfy({ allowed.contains($0) }) else { return }
-                #if os(iOS)
                 func levelForLength(_ len: Int) -> GeohashChannelLevel {
                     switch len {
                     case 0...2: return .region
@@ -496,7 +471,6 @@ struct ContentView: View {
                 let ch = GeohashChannel(level: level, geohash: gh)
                 LocationChannelManager.shared.markTeleported(for: gh, true)
                 LocationChannelManager.shared.select(ChannelID.location(ch))
-                #endif
             }
             .onTapGesture(count: 3) {
                 // Triple-tap to clear current chat
@@ -509,16 +483,12 @@ struct ContentView: View {
                        let last = viewModel.getPrivateChatMessages(for: peer).suffix(300).last?.id {
                         return "dm:\(peer)|\(last)"
                     }
-                    #if os(iOS)
                     let contextKey: String = {
                         switch locationManager.selectedChannel {
                         case .mesh: return "mesh"
                         case .location(let ch): return "geo:\(ch.geohash)"
                         }
                     }()
-                    #else
-                    let contextKey: String = "mesh"
-                    #endif
                     if let last = viewModel.messages.suffix(300).last?.id { return "\(contextKey)|\(last)" }
                     return nil
                 }()
@@ -533,16 +503,12 @@ struct ContentView: View {
                            let last = viewModel.getPrivateChatMessages(for: peer).suffix(300).last?.id {
                             return "dm:\(peer)|\(last)"
                         }
-                        #if os(iOS)
                         let contextKey: String = {
                             switch locationManager.selectedChannel {
                             case .mesh: return "mesh"
                             case .location(let ch): return "geo:\(ch.geohash)"
                             }
                         }()
-                        #else
-                        let contextKey: String = "mesh"
-                        #endif
                         if let last = viewModel.messages.suffix(300).last?.id { return "\(contextKey)|\(last)" }
                         return nil
                     }()
@@ -556,16 +522,12 @@ struct ContentView: View {
                        let last = viewModel.getPrivateChatMessages(for: peer).suffix(300).last?.id {
                         return "dm:\(peer)|\(last)"
                     }
-                    #if os(iOS)
                     let contextKey: String = {
                         switch locationManager.selectedChannel {
                         case .mesh: return "mesh"
                         case .location(let ch): return "geo:\(ch.geohash)"
                         }
                     }()
-                    #else
-                    let contextKey: String = "mesh"
-                    #endif
                     if let last = viewModel.messages.suffix(300).last?.id { return "\(contextKey)|\(last)" }
                     return nil
                 }()
@@ -591,16 +553,12 @@ struct ContentView: View {
                     if now.timeIntervalSince(lastScrollTime) > 0.5 {
                         // Immediate scroll if enough time has passed
                         lastScrollTime = now
-                        #if os(iOS)
                         let contextKey: String = {
                             switch locationManager.selectedChannel {
                             case .mesh: return "mesh"
                             case .location(let ch): return "geo:\(ch.geohash)"
                             }
                         }()
-                        #else
-                        let contextKey: String = "mesh"
-                        #endif
                         let count = windowCountPublic
                         let target = viewModel.messages.suffix(count).last.map { "\(contextKey)|\($0.id)" }
                         DispatchQueue.main.async {
@@ -611,16 +569,12 @@ struct ContentView: View {
                         scrollThrottleTimer?.invalidate()
                         scrollThrottleTimer = Timer.scheduledTimer(withTimeInterval: 0.5, repeats: false) { _ in
                             lastScrollTime = Date()
-                            #if os(iOS)
                         let contextKey: String = {
                             switch locationManager.selectedChannel {
                             case .mesh: return "mesh"
                             case .location(let ch): return "geo:\(ch.geohash)"
                             }
                         }()
-                            #else
-                            let contextKey: String = "mesh"
-                            #endif
                             let count = windowCountPublic
                             let target = viewModel.messages.suffix(count).last.map { "\(contextKey)|\($0.id)" }
                             DispatchQueue.main.async {
@@ -667,7 +621,6 @@ struct ContentView: View {
                     }
                 }
             }
-            #if os(iOS)
             .onChange(of: locationManager.selectedChannel) { newChannel in
                 // When switching to a new geohash channel, scroll to the bottom
                 guard privatePeer == nil else { return }
@@ -686,7 +639,6 @@ struct ContentView: View {
                     }
                 }
             }
-            #endif
             .onAppear {
                 // Also check when view appears
                 if let peerID = privatePeer {
@@ -756,18 +708,22 @@ struct ContentView: View {
             if showCommandSuggestions && !commandSuggestions.isEmpty {
                 VStack(alignment: .leading, spacing: 0) {
                     // Define commands with aliases and syntax
-                    let commandInfo: [(commands: [String], syntax: String?, description: String)] = [
+                    let baseInfo: [(commands: [String], syntax: String?, description: String)] = [
                         (["/block"], "[nickname]", "block or list blocked peers"),
                         (["/clear"], nil, "clear chat messages"),
-                        (["/fav"], "<nickname>", "add to favorites"),
-                        (["/help"], nil, "show this help"),
                         (["/hug"], "<nickname>", "send someone a warm hug"),
                         (["/m", "/msg"], "<nickname> [message]", "send private message"),
                         (["/slap"], "<nickname>", "slap someone with a trout"),
                         (["/unblock"], "<nickname>", "unblock a peer"),
-                        (["/unfav"], "<nickname>", "remove from favorites"),
                         (["/w"], nil, "see who's online")
                     ]
+                    let isGeoPublic: Bool = { if case .location = locationManager.selectedChannel { return true }; return false }()
+                    let isGeoDM: Bool = (viewModel.selectedPrivateChatPeer?.hasPrefix("nostr_") == true)
+                    let favInfo: [(commands: [String], syntax: String?, description: String)] = [
+                        (["/fav"], "<nickname>", "add to favorites"),
+                        (["/unfav"], "<nickname>", "remove from favorites")
+                    ]
+                    let commandInfo = baseInfo + ((isGeoPublic || isGeoDM) ? [] : favInfo)
                     
                     // Build the display
                     let allCommands = commandInfo
@@ -842,18 +798,25 @@ struct ContentView: View {
                     // Check for command autocomplete (instant, no debounce needed)
                     if newValue.hasPrefix("/") && newValue.count >= 1 {
                         // Build context-aware command list
-                        let commandDescriptions = [
+                        let isGeoPublic: Bool = {
+                            if case .location = locationManager.selectedChannel { return true }
+                            return false
+                        }()
+                        let isGeoDM: Bool = (viewModel.selectedPrivateChatPeer?.hasPrefix("nostr_") == true)
+                        var commandDescriptions = [
                             ("/block", "block or list blocked peers"),
                             ("/clear", "clear chat messages"),
-                            ("/fav", "add to favorites"),
-                            ("/help", "show this help"),
                             ("/hug", "send someone a warm hug"),
                             ("/m", "send private message"),
                             ("/slap", "slap someone with a trout"),
                             ("/unblock", "unblock a peer"),
-                            ("/unfav", "remove from favorites"),
                             ("/w", "see who's online")
                         ]
+                        // Only show favorites commands when not in geohash context
+                        if !(isGeoPublic || isGeoDM) {
+                            commandDescriptions.append(("/fav", "add to favorites"))
+                            commandDescriptions.append(("/unfav", "remove from favorites"))
+                        }
                         
                         let input = newValue.lowercased()
                         
@@ -935,8 +898,7 @@ struct ContentView: View {
                         .font(.system(size: 16, weight: .bold, design: .monospaced))
                         .foregroundColor(textColor)
                     Spacer()
-                    // Show QR only on mesh channel's peer list
+                    // Show QR in mesh on all platforms
-                    #if os(iOS)
                     if case .mesh = locationManager.selectedChannel {
                         Button(action: { showVerifySheet = true }) {
                             Image(systemName: "qrcode")
@@ -945,14 +907,6 @@ struct ContentView: View {
                         .buttonStyle(.plain)
                         .help("Verification: show my QR or scan a friend")
                     }
-                    #else
-                    Button(action: { showVerifySheet = true }) {
-                        Image(systemName: "qrcode")
-                            .font(.system(size: 14))
-                    }
-                    .buttonStyle(.plain)
-                    .help("Verification: show my QR or scan a friend")
-                    #endif
                 }
                 .frame(height: 44) // Match header height
                 .padding(.horizontal, 12)
@@ -965,7 +919,6 @@ struct ContentView: View {
                 VStack(alignment: .leading, spacing: 6) {
                     // People section
                     VStack(alignment: .leading, spacing: 4) {
-                        #if os(iOS)
                 if case .location = locationManager.selectedChannel {
                     GeohashPeopleList(viewModel: viewModel,
                                       textColor: textColor,
@@ -994,24 +947,6 @@ struct ContentView: View {
                                      viewModel.showFingerprint(for: peerID)
                                  })
                 }
-                        #else
-                        MeshPeerList(viewModel: viewModel,
-                                     textColor: textColor,
-                                     secondaryTextColor: secondaryTextColor,
-                                     onTapPeer: { peerID in
-                                         viewModel.startPrivateChat(with: peerID)
-                                         withAnimation(.easeInOut(duration: 0.2)) {
-                                             showSidebar = false
-                                             sidebarDragOffset = 0
-                                         }
-                                     },
-                                     onToggleFavorite: { peerID in
-                                         viewModel.toggleFavorite(peerID: peerID)
-                                     },
-                                     onShowFingerprint: { peerID in
-                                         viewModel.showFingerprint(for: peerID)
-                                     })
-                        #endif
                     }
                 }
                 .id(viewModel.allPeers.map { "\($0.id)-\($0.isConnected)" }.joined())
@@ -1101,13 +1036,11 @@ struct ContentView: View {
         return (name, "")
     }
     
-    #if os(iOS)
+    // Compute channel-aware people count and color for toolbar (cross-platform)
-    // Compute channel-aware people count and color for toolbar
     private func channelPeopleCountAndColor() -> (Int, Color) {
         switch locationManager.selectedChannel {
         case .location:
             let n = viewModel.geohashPeople.count
-            // Use standard green (dark: system green; light: custom darker green)
             let standardGreen = (colorScheme == .dark) ? Color.green : Color(red: 0, green: 0.5, blue: 0)
             return (n, n > 0 ? standardGreen : Color.secondary)
         case .mesh:
@@ -1117,13 +1050,11 @@ struct ContentView: View {
                 if isMeshConnected { counts.mesh += 1; counts.others += 1 }
                 else if peer.isMutualFavorite { counts.others += 1 }
             }
-            // Darker, more neutral blue (less purple hue)
             let meshBlue = Color(hue: 0.60, saturation: 0.85, brightness: 0.82)
             let color: Color = counts.mesh > 0 ? meshBlue : Color.secondary
             return (counts.others, color)
         }
     }
-    #endif
 
     
     private var mainHeaderView: some View {
@@ -1170,7 +1101,6 @@ struct ContentView: View {
             
             // Channel badge + dynamic spacing + people counter
             // Precompute header count and color outside the ViewBuilder expressions
-            #if os(iOS)
             let cc = channelPeopleCountAndColor()
             let headerCountColor: Color = cc.1
             let headerOtherPeersCount: Int = {
@@ -1179,24 +1109,11 @@ struct ContentView: View {
                 }
                 return cc.0
             }()
-            #else
-            let peerCounts = viewModel.allPeers.reduce(into: (others: 0, mesh: 0)) { counts, peer in
-                guard peer.id != viewModel.meshService.myPeerID else { return }
-                let isMeshConnected = peer.isConnected
-                if isMeshConnected { counts.mesh += 1; counts.others += 1 }
-                else if peer.isMutualFavorite { counts.others += 1 }
-            }
-            let headerOtherPeersCount = peerCounts.others
-            // Darker, more neutral blue (less purple hue)
-            let meshBlue = Color(hue: 0.60, saturation: 0.85, brightness: 0.82)
-            let headerCountColor: Color = (peerCounts.mesh > 0) ? meshBlue : Color.secondary
-            #endif
 
             HStack(spacing: 10) {
                 // Unread icon immediately to the left of the channel badge (independent from channel button)
                 
-                // Unread indicator
+                // Unread indicator (now shown on iOS and macOS)
-                #if os(iOS)
                 if viewModel.hasAnyUnreadMessages {
                     Button(action: { viewModel.openMostRelevantPrivateChat() }) {
                         Image(systemName: "envelope.fill")
@@ -1231,7 +1148,6 @@ struct ContentView: View {
                         .accessibilityLabel("location channels")
                 }
                 .buttonStyle(.plain)
-                #endif
 
                 HStack(spacing: 4) {
                     // People icon with count
@@ -1259,11 +1175,9 @@ struct ContentView: View {
         }
         .frame(height: 44)
         .padding(.horizontal, 12)
-        #if os(iOS)
         .sheet(isPresented: $showLocationChannelsSheet) {
             LocationChannelsSheet(isPresented: $showLocationChannelsSheet)
         }
-        #endif
         .background(backgroundColor.opacity(0.95))
     }
     
@@ -1299,13 +1213,11 @@ struct ContentView: View {
         let peer = viewModel.getPeer(byID: headerPeerID)
         let privatePeerNick: String = {
             if privatePeerID.hasPrefix("nostr_") {
-                #if os(iOS)
                 // Build geohash DM header: "#<ghash>/@name#abcd"
                 if case .location(let ch) = locationManager.selectedChannel {
                     let disp = viewModel.geohashDisplayName(for: privatePeerID)
                     return "#\(ch.geohash)/@\(disp)"
                 }
-                #endif
             }
             return peer?.displayName ?? 
                    viewModel.meshService.peerNickname(peerID: headerPeerID) ??

bitchat/Views/GeohashPeopleList.swift

@@ -1,6 +1,5 @@
 import SwiftUI
 
-#if os(iOS)
 struct GeohashPeopleList: View {
     @ObservedObject var viewModel: ChatViewModel
     let textColor: Color
@@ -29,16 +28,12 @@ struct GeohashPeopleList: View {
             let people = viewModel.visibleGeohashPeople()
             let currentIDs = people.map { $0.id }
 
-            #if os(iOS)
             let teleportedSet = Set(viewModel.teleportedGeo.map { $0.lowercased() })
             let isTeleportedID: (String) -> Bool = { id in
                 if teleportedSet.contains(id.lowercased()) { return true }
                 if let me = myHex, id == me, LocationChannelManager.shared.teleported { return true }
                 return false
             }
-            #else
-            let isTeleportedID: (String) -> Bool = { _ in false }
-            #endif
 
             let displayIDs = orderedIDs.filter { currentIDs.contains($0) } + currentIDs.filter { !orderedIDs.contains($0) }
             let nonTele = displayIDs.filter { !isTeleportedID($0) }
@@ -52,11 +47,7 @@ struct GeohashPeopleList: View {
                     let person = personByID[pid]!
                     HStack(spacing: 4) {
                         let isMe = (person.id == myHex)
-                        #if os(iOS)
                         let teleported = viewModel.teleportedGeo.contains(person.id.lowercased()) || (isMe && LocationChannelManager.shared.teleported)
-                        #else
-                        let teleported = false
-                        #endif
                         let icon = teleported ? "face.dashed" : "mappin.and.ellipse"
                         let assignedColor = viewModel.colorForNostrPubkey(person.id, isDark: colorScheme == .dark)
                         let rowColor: Color = isMe ? .orange : assignedColor
@@ -127,10 +118,8 @@ struct GeohashPeopleList: View {
         }
     }
 }
-#endif
 
 // Helper to split a trailing #abcd suffix
-#if os(iOS)
 private func splitSuffix(from name: String) -> (String, String) {
     guard name.count >= 5 else { return (name, "") }
     let suffix = String(name.suffix(5))
@@ -142,4 +131,3 @@ private func splitSuffix(from name: String) -> (String, String) {
     }
     return (name, "")
 }
-#endif

bitchat/Views/LocationChannelsSheet.swift

@@ -1,7 +1,10 @@
 import SwiftUI
-
+import CoreLocation
 #if os(iOS)
 import UIKit
+#else
+import AppKit
+#endif
 struct LocationChannelsSheet: View {
     @Binding var isPresented: Bool
     @ObservedObject private var manager = LocationChannelManager.shared
@@ -37,11 +40,7 @@ struct LocationChannelsSheet: View {
                             Text("location permission denied. enable in settings to use location channels.")
                                 .font(.system(size: 12, design: .monospaced))
                                 .foregroundColor(.secondary)
-                            Button("open settings") {
+                            Button("open settings") { openSystemLocationSettings() }
-                                if let url = URL(string: UIApplication.openSettingsURLString) {
-                                    UIApplication.shared.open(url)
-                                }
-                            }
                             .buttonStyle(.plain)
                         }
                     case LocationChannelManager.PermissionState.authorized:
@@ -54,6 +53,7 @@ struct LocationChannelsSheet: View {
             }
             .padding(.horizontal, 16)
             .padding(.vertical, 12)
+            #if os(iOS)
             .navigationBarTitleDisplayMode(.inline)
             .toolbar {
                 ToolbarItem(placement: .navigationBarTrailing) {
@@ -61,8 +61,21 @@ struct LocationChannelsSheet: View {
                         .font(.system(size: 14, design: .monospaced))
                 }
             }
+            #else
+            .toolbar {
+                ToolbarItem(placement: .automatic) {
+                    Button("close") { isPresented = false }
+                        .font(.system(size: 14, design: .monospaced))
                 }
+            }
+            #endif
+        }
+        #if os(iOS)
         .presentationDetents([.large])
+        #endif
+        #if os(macOS)
+        .frame(minWidth: 420, minHeight: 520)
+        #endif
         .onAppear {
             // Refresh channels when opening
             if manager.permissionState == LocationChannelManager.PermissionState.authorized {
@@ -128,10 +141,12 @@ struct LocationChannelsSheet: View {
                         .font(.system(size: 14, design: .monospaced))
                         .foregroundColor(.secondary)
                     TextField("geohash", text: $customGeohash)
+                        #if os(iOS)
                         .textInputAutocapitalization(.never)
                         .autocorrectionDisabled(true)
-                        .font(.system(size: 14, design: .monospaced))
                         .keyboardType(.asciiCapable)
+                        #endif
+                        .font(.system(size: 14, design: .monospaced))
                         .onChange(of: customGeohash) { newValue in
                             // Allow only geohash base32 characters, strip '#', limit length
                             let allowed = Set("0123456789bcdefghjkmnpqrstuvwxyz")
@@ -183,9 +198,7 @@ struct LocationChannelsSheet: View {
             // Footer action inside the list
             if manager.permissionState == LocationChannelManager.PermissionState.authorized {
                 Button(action: {
-                    if let url = URL(string: UIApplication.openSettingsURLString) {
+                    openSystemLocationSettings()
-                        UIApplication.shared.open(url)
-                    }
                 }) {
                     Text("remove location access")
                         .font(.system(size: 12, design: .monospaced))
@@ -343,7 +356,7 @@ extension LocationChannelsSheet {
         }()
 
         let usesMetric: Bool = {
-            if #available(iOS 16.0, *) {
+            if #available(iOS 16.0, macOS 13.0, *) {
                 return Locale.current.measurementSystem == .metric
             } else {
                 return Locale.current.usesMetricSystem
@@ -366,7 +379,7 @@ extension LocationChannelsSheet {
 
     private func bluetoothRangeString() -> String {
         let usesMetric: Bool = {
-            if #available(iOS 16.0, *) {
+            if #available(iOS 16.0, macOS 13.0, *) {
                 return Locale.current.measurementSystem == .metric
             } else {
                 return Locale.current.usesMetricSystem
@@ -390,4 +403,17 @@ extension LocationChannelsSheet {
     }
 }
 
+// MARK: - Open Settings helper
+private func openSystemLocationSettings() {
+    #if os(iOS)
+    if let url = URL(string: UIApplication.openSettingsURLString) {
+        UIApplication.shared.open(url)
+    }
+    #else
+    if let url = URL(string: "x-apple.systempreferences:com.apple.preference.security?Privacy_LocationServices") {
+        NSWorkspace.shared.open(url)
+    } else if let url = URL(string: "x-apple.systempreferences:com.apple.preference.security") {
+        NSWorkspace.shared.open(url)
+    }
     #endif
+}

bitchat/bitchat-macOS.entitlements

@@ -10,6 +10,8 @@
 	</array>
 	<key>com.apple.security.device.bluetooth</key>
 	<true/>
+	<key>com.apple.security.personal-information.location</key>
+	<true/>
 	<key>com.apple.security.network.client</key>
 	<true/>
 </dict>