QR verification: speed + persistence + UX

- Inject live Noise into VerificationService; prewarm QR on app start
- Keep camera active; remove intermediate responder toast
- One-shot/dupe guards and deferred send on handshake
- Persist verified status immediately; standardize fingerprint (SHA-256)
- Show verified badge for offline favorites; mutual verification toast
- VERIFY sheet styling to match peer sheet; UI polish
- Logs to diagnose verified load + favorites mapping

.gitignore

@@ -71,7 +71,3 @@ __pycache__/
 # Local build results
 .Result*/
 .Result*.xcresult/
-TestResult.xcresult/
-*.xcresult/
-build.log
-*.log

bitchat.xcodeproj/project.pbxproj

@@ -29,9 +29,6 @@
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 		047502B92E560F690083520F /* RelayController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 047502B82E560F690083520F /* RelayController.swift */; };
 		047502BA2E560F690083520F /* RelayController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 047502B82E560F690083520F /* RelayController.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 */; };
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 		049BD3912E4EC4F0001A566B /* AutocompleteService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 049BD38C2E4EC4F0001A566B /* AutocompleteService.swift */; };
 		049BD3922E4EC4F0001A566B /* CommandProcessor.swift in Sources */ = {isa = PBXBuildFile; fileRef = 049BD38D2E4EC4F0001A566B /* CommandProcessor.swift */; };
@@ -59,8 +56,6 @@
 		0AE840940F21AFC07C226636 /* PrivateChatE2ETests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8A262EDDC04B7D7B5E31F321 /* PrivateChatE2ETests.swift */; };
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-		1234567890ABCDEFFEDCBA13 /* PeerDisplayNameResolver.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1234567890ABCDEFFEDCBA02 /* PeerDisplayNameResolver.swift */; };
-		1234567890ABCDEFFEDCBA14 /* PeerDisplayNameResolver.swift in Sources */ = {isa = PBXBuildFile; fileRef = 1234567890ABCDEFFEDCBA02 /* PeerDisplayNameResolver.swift */; };
 		132DF1E24B4E9C7DCDAD4376 /* FingerprintView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9195CDC7EB236AFBC9A4D41A /* FingerprintView.swift */; };
 		17901751FD8010AFC8E750F2 /* bitchatShareExtension.appex in Embed Foundation Extensions */ = {isa = PBXBuildFile; fileRef = 61F92EBA29C47C0FCC482F1F /* bitchatShareExtension.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
 		1D9674FA5F998503831DC281 /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = A08E03AA0C63E97C91749AEC /* ContentView.swift */; };
@@ -107,17 +102,11 @@
 		9C7D287C8E67AAE576A5ECB7 /* ShareViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = C1B378C16594575FCC7F9C75 /* ShareViewController.swift */; };
 		9CCF09F7527EC681A13FC246 /* NoiseSecurityConsiderations.swift in Sources */ = {isa = PBXBuildFile; fileRef = 43B4548DAFC9F7AA8873DA53 /* NoiseSecurityConsiderations.swift */; };
 		A0A1C26EFBFDD5B8EFEEDE57 /* PublicChatE2ETests.swift in Sources */ = {isa = PBXBuildFile; fileRef = D22BF09A49010947CEFE45E2 /* PublicChatE2ETests.swift */; };
-		A1B2C3D44E5F60718293A4B5 /* XChaCha20Poly1305Compat.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C3D44E5F60718293A4B4 /* XChaCha20Poly1305Compat.swift */; };
-		A1B2C3D54E5F60718293A4B6 /* XChaCha20Poly1305Compat.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C3D44E5F60718293A4B4 /* XChaCha20Poly1305Compat.swift */; };
 		A2977428C1D9EF9944C4BFAF /* BLEServiceTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 980B109CBA72BC996455C62B /* BLEServiceTests.swift */; };
 		A7187D48B07C6857DE01D0ED /* NoiseProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 43613045E63D21D429396805 /* NoiseProtocol.swift */; };
 		AA11BB22CC33DD44EE55FF66 /* MessageTextHelpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA11BB22CC33DD44EE55FF68 /* MessageTextHelpers.swift */; };
 		AA11BB22CC33DD44EE55FF67 /* MessageTextHelpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA11BB22CC33DD44EE55FF68 /* MessageTextHelpers.swift */; };
 		AA6E067DB034FC0FA23C28A9 /* BinaryProtocolTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0B3CC6FA298729906109F61B /* BinaryProtocolTests.swift */; };
-		AA77BB11CC22DD33EE44FF55 /* VerificationService.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA77BB10CC22DD33EE44FF55 /* VerificationService.swift */; };
-		AA77BB12CC22DD33EE44FF56 /* VerificationService.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA77BB10CC22DD33EE44FF55 /* VerificationService.swift */; };
-		AA77BB14CC22DD33EE44FF58 /* VerificationViews.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA77BB13CC22DD33EE44FF57 /* VerificationViews.swift */; };
-		AA77BB15CC22DD33EE44FF59 /* VerificationViews.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA77BB13CC22DD33EE44FF57 /* VerificationViews.swift */; };
 		ABAF130D88561F4A646F0430 /* AppInfoView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 763E0DBA9492A654FC0CDCB9 /* AppInfoView.swift */; };
 		ACE2ED172C37F01561E50B71 /* FavoritesPersistenceService.swift in Sources */ = {isa = PBXBuildFile; fileRef = 419BFFF209EBA93F410E9E9F /* FavoritesPersistenceService.swift */; };
 		AD11E46940D742AEAF547EB2 /* AppInfoView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 763E0DBA9492A654FC0CDCB9 /* AppInfoView.swift */; };
@@ -151,6 +140,12 @@
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 		FB8819B4C84FAFEF5C36B216 /* KeychainManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 136696FC4436A02D98CE6A77 /* KeychainManager.swift */; };
 		FBC409E105493C491531B59A /* NostrProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2E5A9FF4AEA8A923317ED26A /* NostrProtocol.swift */; };
+		A1B2C3D44E5F60718293A4B5 /* XChaCha20Poly1305Compat.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C3D44E5F60718293A4B4 /* XChaCha20Poly1305Compat.swift */; };
+		A1B2C3D54E5F60718293A4B6 /* XChaCha20Poly1305Compat.swift in Sources */ = {isa = PBXBuildFile; fileRef = A1B2C3D44E5F60718293A4B4 /* XChaCha20Poly1305Compat.swift */; };
+		AA77BB11CC22DD33EE44FF55 /* VerificationService.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA77BB10CC22DD33EE44FF55 /* VerificationService.swift */; };
+		AA77BB12CC22DD33EE44FF56 /* VerificationService.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA77BB10CC22DD33EE44FF55 /* VerificationService.swift */; };
+		AA77BB14CC22DD33EE44FF58 /* VerificationViews.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA77BB13CC22DD33EE44FF57 /* VerificationViews.swift */; };
+		AA77BB15CC22DD33EE44FF59 /* VerificationViews.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA77BB13CC22DD33EE44FF57 /* VerificationViews.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -204,7 +199,6 @@
 		047502B22E55FED60083520F /* GeohashPeopleList.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = GeohashPeopleList.swift; sourceTree = "<group>"; };
 		047502B32E55FED60083520F /* MeshPeerList.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MeshPeerList.swift; sourceTree = "<group>"; };
 		047502B82E560F690083520F /* RelayController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RelayController.swift; sourceTree = "<group>"; };
-		048A4BE62E5CCCC300162C4A /* TransportConfig.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TransportConfig.swift; sourceTree = "<group>"; };
 		049BD38C2E4EC4F0001A566B /* AutocompleteService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AutocompleteService.swift; sourceTree = "<group>"; };
 		049BD38D2E4EC4F0001A566B /* CommandProcessor.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CommandProcessor.swift; sourceTree = "<group>"; };
 		049BD38F2E4EC4F0001A566B /* PrivateChatManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PrivateChatManager.swift; sourceTree = "<group>"; };
@@ -220,7 +214,6 @@
 		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>"; };
 		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>"; };
 		229F17B68CFF7AB1BC91C847 /* BitchatProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BitchatProtocol.swift; sourceTree = "<group>"; };
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@@ -251,11 +244,8 @@
 		980B109CBA72BC996455C62B /* BLEServiceTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BLEServiceTests.swift; sourceTree = "<group>"; };
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 		A08E03AA0C63E97C91749AEC /* ContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentView.swift; sourceTree = "<group>"; };
-		A1B2C3D44E5F60718293A4B4 /* XChaCha20Poly1305Compat.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = XChaCha20Poly1305Compat.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>"; };
-		AA77BB10CC22DD33EE44FF55 /* VerificationService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VerificationService.swift; sourceTree = "<group>"; };
-		AA77BB13CC22DD33EE44FF57 /* VerificationViews.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VerificationViews.swift; sourceTree = "<group>"; };
 		B1D6A89B36A3D31E590B94E5 /* NoiseHandshakeCoordinator.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = NoiseHandshakeCoordinator.swift; sourceTree = "<group>"; };
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 		C1B378C16594575FCC7F9C75 /* ShareViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShareViewController.swift; sourceTree = "<group>"; };
@@ -274,6 +264,9 @@
 		FDC18D910D6FF2E8B1B6C885 /* SecureIdentityStateManager.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SecureIdentityStateManager.swift; sourceTree = "<group>"; };
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 		FF7AF93D874001FBD94C8306 /* bitchat-macOS.entitlements */ = {isa = PBXFileReference; lastKnownFileType = text.plist.entitlements; path = "bitchat-macOS.entitlements"; sourceTree = "<group>"; };
+		A1B2C3D44E5F60718293A4B4 /* XChaCha20Poly1305Compat.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = XChaCha20Poly1305Compat.swift; sourceTree = "<group>"; };
+		AA77BB10CC22DD33EE44FF55 /* VerificationService.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VerificationService.swift; sourceTree = "<group>"; };
+		AA77BB13CC22DD33EE44FF57 /* VerificationViews.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = VerificationViews.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -410,7 +403,6 @@
 		9A78348821A7D3374607D4E3 /* Utils */ = {
 			isa = PBXGroup;
 			children = (
-				1234567890ABCDEFFEDCBA02 /* PeerDisplayNameResolver.swift */,
 				049BD3AA2E51E38E001A566B /* PeerIDResolver.swift */,
 				049BD3A42E51DC0E001A566B /* MessageDeduplicator.swift */,
 				32F149C43D1915831B60FE09 /* CompressionUtil.swift */,
@@ -519,7 +511,6 @@
 		D98A3186D7E4C72E35BDF7FE /* Services */ = {
 			isa = PBXGroup;
 			children = (
-				048A4BE62E5CCCC300162C4A /* TransportConfig.swift */,
 				AA77BB10CC22DD33EE44FF55 /* VerificationService.swift */,
 				047502B82E560F690083520F /* RelayController.swift */,
 				0475028B2E54171C0083520F /* LocationChannelManager.swift */,
@@ -733,7 +724,6 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				048A4BE92E5CCCC300162C4B /* TransportConfig.swift in Sources */,
 				9C7D287C8E67AAE576A5ECB7 /* ShareViewController.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -742,8 +732,6 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				048A4BE72E5CCCC300162C4A /* TransportConfig.swift in Sources */,
-				1234567890ABCDEFFEDCBA13 /* PeerDisplayNameResolver.swift in Sources */,
 				AA77BB12CC22DD33EE44FF56 /* VerificationService.swift in Sources */,
 				AA77BB15CC22DD33EE44FF59 /* VerificationViews.swift in Sources */,
 				A1B2C3D54E5F60718293A4B6 /* XChaCha20Poly1305Compat.swift in Sources */,
@@ -801,8 +789,6 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				048A4BE82E5CCCC300162C4A /* TransportConfig.swift in Sources */,
-				1234567890ABCDEFFEDCBA14 /* PeerDisplayNameResolver.swift in Sources */,
 				AA77BB11CC22DD33EE44FF55 /* VerificationService.swift in Sources */,
 				AA77BB14CC22DD33EE44FF58 /* VerificationViews.swift in Sources */,
 				A1B2C3D44E5F60718293A4B5 /* XChaCha20Poly1305Compat.swift in Sources */,
@@ -1004,7 +990,7 @@
 					"@executable_path/Frameworks",
 					"@executable_path/../../Frameworks",
 				);
-				MARKETING_VERSION = 1.3.3;
+				MARKETING_VERSION = 1.3.2;
 				PRODUCT_BUNDLE_IDENTIFIER = chat.bitchat.ShareExtension;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
@@ -1035,7 +1021,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.3.3;
+				MARKETING_VERSION = 1.3.2;
 				PRODUCT_BUNDLE_IDENTIFIER = chat.bitchat;
 				PRODUCT_NAME = bitchat;
 				SDKROOT = iphoneos;
@@ -1090,7 +1076,7 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
-				MARKETING_VERSION = 1.3.3;
+				MARKETING_VERSION = 1.3.2;
 				PRODUCT_BUNDLE_IDENTIFIER = chat.bitchat;
 				PRODUCT_NAME = bitchat;
 				SDKROOT = iphoneos;
@@ -1122,7 +1108,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = 13.0;
-				MARKETING_VERSION = 1.3.3;
+				MARKETING_VERSION = 1.3.1;
 				PRODUCT_BUNDLE_IDENTIFIER = chat.bitchat;
 				PRODUCT_NAME = bitchat;
 				REGISTER_APP_GROUPS = YES;
@@ -1211,7 +1197,7 @@
 					"@executable_path/../Frameworks",
 				);
 				MACOSX_DEPLOYMENT_TARGET = 13.0;
-				MARKETING_VERSION = 1.3.3;
+				MARKETING_VERSION = 1.3.1;
 				PRODUCT_BUNDLE_IDENTIFIER = chat.bitchat;
 				PRODUCT_NAME = bitchat;
 				REGISTER_APP_GROUPS = YES;
@@ -1304,7 +1290,7 @@
 					"@executable_path/Frameworks",
 					"@executable_path/../../Frameworks",
 				);
-				MARKETING_VERSION = 1.3.3;
+				MARKETING_VERSION = 1.3.2;
 				PRODUCT_BUNDLE_IDENTIFIER = chat.bitchat.ShareExtension;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";

bitchat/BitchatApp.swift

@@ -99,18 +99,30 @@ struct BitchatApp: App {
             return
         }
         
-        // Only process if shared within configured window
+        // Only process if shared within last 30 seconds
-        if Date().timeIntervalSince(sharedDate) < TransportConfig.uiShareAcceptWindowSeconds {
+        if Date().timeIntervalSince(sharedDate) < 30 {
             let contentType = userDefaults.string(forKey: "sharedContentType") ?? "text"
             
             // Clear the shared content
             userDefaults.removeObject(forKey: "sharedContent")
             userDefaults.removeObject(forKey: "sharedContentType")
             userDefaults.removeObject(forKey: "sharedContentDate")
-            // No need to force synchronize here
+            userDefaults.synchronize()
             
-            // Send the shared content immediately on the main queue
+            // Show notification about shared content
             DispatchQueue.main.async {
+                // Add system message about sharing
+                let systemMessage = BitchatMessage(
+                    sender: "system",
+                    content: "preparing to share \(contentType)...",
+                    timestamp: Date(),
+                    isRelay: false
+                )
+                self.chatViewModel.messages.append(systemMessage)
+            }
+            
+            // Send the shared content after a short delay
+            DispatchQueue.main.asyncAfter(deadline: .now() + 1.0) {
                 if contentType == "url" {
                     // Try to parse as JSON first
                     if let data = sharedContent.data(using: .utf8),
@@ -173,14 +185,6 @@ class NotificationDelegate: NSObject, UNUserNotificationCenterDelegate {
                 }
             }
         }
-        // Handle deeplink (e.g., geohash activity)
-        if let deep = userInfo["deeplink"] as? String, let url = URL(string: deep) {
-            #if os(iOS)
-            DispatchQueue.main.async { UIApplication.shared.open(url) }
-            #else
-            DispatchQueue.main.async { NSWorkspace.shared.open(url) }
-            #endif
-        }
         
         completionHandler()
     }
@@ -200,15 +204,6 @@ class NotificationDelegate: NSObject, UNUserNotificationCenterDelegate {
                 }
             }
         }
-        // Suppress geohash activity notification if we're already in that geohash channel
-        if identifier.hasPrefix("geo-activity-"),
-           let deep = userInfo["deeplink"] as? String,
-           let gh = deep.components(separatedBy: "/").last {
-            if case .location(let ch) = LocationChannelManager.shared.selectedChannel, ch.geohash == gh {
-                completionHandler([])
-                return
-            }
-        }
         
         // Show notification in all other cases
         completionHandler([.banner, .sound])

bitchat/Identity/IdentityModels.swift

@@ -106,8 +106,6 @@ enum HandshakeState {
 struct CryptographicIdentity: Codable {
     let fingerprint: String     // SHA256 of public key
     let publicKey: Data         // Noise static public key
-    // Optional Ed25519 signing public key (used to authenticate public messages)
-    var signingPublicKey: Data? = nil
     let firstSeen: Date
     let lastHandshake: Date?
 }
@@ -175,7 +173,56 @@ struct PendingActions {
     var setPetname: String?
 }
 
-//
+// MARK: - Privacy Settings
+
+struct PrivacySettings: Codable {
+    // Level 1: Maximum privacy (default)
+    var persistIdentityCache = false
+    var showLastSeen = false
+    
+    // Level 2: Convenience
+    var autoAcceptKnownFingerprints = false
+    var rememberNicknameHistory = false
+    
+    // Level 3: Social
+    var shareTrustNetworkHints = false  // "3 mutual contacts trust this person"
+}
+
+// MARK: - Conflict Resolution
+
+/// Strategies for resolving identity conflicts in the decentralized network.
+/// Handles cases where multiple peers claim the same nickname or when
+/// identity mappings become ambiguous due to network partitions.
+enum ConflictResolution {
+    case acceptNew(petname: String)      // "John (2)"
+    case rejectNew
+    case blockFingerprint(String)
+    case alertUser(message: String)
+}
+
+// MARK: - UI State
+
+struct PeerUIState {
+    let peerID: String
+    let nickname: String
+    var identityState: IdentityState
+    var connectionQuality: ConnectionQuality
+    
+    enum IdentityState {
+        case unknown                    // Gray - No identity info
+        case unverifiedKnown(String)   // Blue - Handshake done, matches cache
+        case verified(String)          // Green - Cryptographically verified
+        case conflict(String, String)  // Red - Nickname doesn't match fingerprint
+        case pending                   // Yellow - Handshake in progress
+    }
+}
+
+enum ConnectionQuality {
+    case excellent
+    case good
+    case poor
+    case disconnected
+}
 
 // MARK: - Migration Support
-//
+// Removed LegacyFavorite - no longer needed

bitchat/Identity/SecureIdentityStateManager.swift

@@ -229,91 +229,6 @@ class SecureIdentityStateManager {
             return cache.socialIdentities[fingerprint]
         }
     }
-
-    // MARK: - Cryptographic Identities
-
-    /// Insert or update a cryptographic identity and optionally persist its signing key and claimed nickname.
-    /// - Parameters:
-    ///   - fingerprint: SHA-256 hex of the Noise static public key
-    ///   - noisePublicKey: Noise static public key data
-    ///   - signingPublicKey: Optional Ed25519 signing public key for authenticating public messages
-    ///   - claimedNickname: Optional latest claimed nickname to persist into social identity
-    func upsertCryptographicIdentity(fingerprint: String, noisePublicKey: Data, signingPublicKey: Data?, claimedNickname: String? = nil) {
-        queue.async(flags: .barrier) {
-            let now = Date()
-            if var existing = self.cryptographicIdentities[fingerprint] {
-                // Update keys if changed
-                if existing.publicKey != noisePublicKey {
-                    existing = CryptographicIdentity(
-                        fingerprint: fingerprint,
-                        publicKey: noisePublicKey,
-                        signingPublicKey: signingPublicKey ?? existing.signingPublicKey,
-                        firstSeen: existing.firstSeen,
-                        lastHandshake: now
-                    )
-                    self.cryptographicIdentities[fingerprint] = existing
-                } else {
-                    // Update signing key and lastHandshake
-                    existing.signingPublicKey = signingPublicKey ?? existing.signingPublicKey
-                    let updated = CryptographicIdentity(
-                        fingerprint: existing.fingerprint,
-                        publicKey: existing.publicKey,
-                        signingPublicKey: existing.signingPublicKey,
-                        firstSeen: existing.firstSeen,
-                        lastHandshake: now
-                    )
-                    self.cryptographicIdentities[fingerprint] = updated
-                }
-                // Persist updated state (already assigned in branches above)
-            } else {
-                // New entry
-                let entry = CryptographicIdentity(
-                    fingerprint: fingerprint,
-                    publicKey: noisePublicKey,
-                    signingPublicKey: signingPublicKey,
-                    firstSeen: now,
-                    lastHandshake: now
-                )
-                self.cryptographicIdentities[fingerprint] = entry
-            }
-
-            // Optionally persist claimed nickname into social identity
-            if let claimed = claimedNickname {
-                var identity = self.cache.socialIdentities[fingerprint] ?? SocialIdentity(
-                    fingerprint: fingerprint,
-                    localPetname: nil,
-                    claimedNickname: claimed,
-                    trustLevel: .unknown,
-                    isFavorite: false,
-                    isBlocked: false,
-                    notes: nil
-                )
-                // Update claimed nickname if changed
-                if identity.claimedNickname != claimed {
-                    identity.claimedNickname = claimed
-                    self.cache.socialIdentities[fingerprint] = identity
-                } else if self.cache.socialIdentities[fingerprint] == nil {
-                    self.cache.socialIdentities[fingerprint] = identity
-                }
-            }
-
-            self.saveIdentityCache()
-        }
-    }
-
-    /// Retrieve cryptographic identity by fingerprint
-    func getCryptographicIdentity(for fingerprint: String) -> CryptographicIdentity? {
-        queue.sync { cryptographicIdentities[fingerprint] }
-    }
-
-    /// Find cryptographic identities whose fingerprint prefix matches a peerID (16-hex) short ID
-    func getCryptoIdentitiesByPeerIDPrefix(_ peerID: String) -> [CryptographicIdentity] {
-        queue.sync {
-            // Defensive: ensure hex and correct length
-            guard peerID.count == 16, peerID.allSatisfy({ $0.isHexDigit }) else { return [] }
-            return cryptographicIdentities.values.filter { $0.fingerprint.hasPrefix(peerID) }
-        }
-    }
     
     func getAllSocialIdentities() -> [SocialIdentity] {
         queue.sync {

bitchat/Models/BitchatPeer.swift

@@ -8,7 +8,6 @@ struct BitchatPeer: Identifiable, Equatable {
     let nickname: String
     let lastSeen: Date
     let isConnected: Bool
-    let isReachable: Bool
     
     // Favorite-related properties
     var favoriteStatus: FavoritesPersistenceService.FavoriteRelationship?
@@ -19,7 +18,6 @@ struct BitchatPeer: Identifiable, Equatable {
     // Connection state
     enum ConnectionState {
         case bluetoothConnected
-        case meshReachable      // Seen via mesh recently, not directly connected
         case nostrAvailable     // Mutual favorite, reachable via Nostr
         case offline            // Not connected via any transport
     }
@@ -27,8 +25,6 @@ struct BitchatPeer: Identifiable, Equatable {
     var connectionState: ConnectionState {
         if isConnected {
             return .bluetoothConnected
-        } else if isReachable {
-            return .meshReachable
         } else if favoriteStatus?.isMutual == true {
             // Mutual favorites can communicate via Nostr when offline
             return .nostrAvailable
@@ -58,8 +54,6 @@ struct BitchatPeer: Identifiable, Equatable {
         switch connectionState {
         case .bluetoothConnected:
             return "📻" // Radio icon for mesh connection
-        case .meshReachable:
-            return "📡" // Antenna for mesh reachable
         case .nostrAvailable:
             return "🌐" // Purple globe for Nostr
         case .offline:
@@ -77,15 +71,13 @@ struct BitchatPeer: Identifiable, Equatable {
         noisePublicKey: Data,
         nickname: String,
         lastSeen: Date = Date(),
-        isConnected: Bool = false,
+        isConnected: Bool = false
-        isReachable: Bool = false
     ) {
         self.id = id
         self.noisePublicKey = noisePublicKey
         self.nickname = nickname
         self.lastSeen = lastSeen
         self.isConnected = isConnected
-        self.isReachable = isReachable
         
         // Load favorite status - will be set later by the manager
         self.favoriteStatus = nil
@@ -97,4 +89,219 @@ struct BitchatPeer: Identifiable, Equatable {
     }
 }
 
-//
+// MARK: - Peer Manager
+
+/// Manages the collection of peers and their states
+@MainActor
+class PeerManager: ObservableObject {
+    @Published var peers: [BitchatPeer] = []
+    @Published var favorites: [BitchatPeer] = []
+    @Published var mutualFavorites: [BitchatPeer] = []
+    
+    private let meshService: Transport
+    private let favoritesService = FavoritesPersistenceService.shared
+    
+    init(meshService: Transport) {
+        self.meshService = meshService
+        updatePeers()
+        
+        // Listen for updates
+        NotificationCenter.default.addObserver(
+            self,
+            selector: #selector(handleFavoriteChanged),
+            name: .favoriteStatusChanged,
+            object: nil
+        )
+    }
+    
+    @objc private func handleFavoriteChanged() {
+        SecureLogger.log("⭐ Favorite status changed notification received, updating peers", 
+                        category: SecureLogger.session, level: .debug)
+        updatePeers()
+    }
+    
+    deinit {
+        NotificationCenter.default.removeObserver(self)
+    }
+    
+    func updatePeers() {
+        // Reduce log verbosity - only log when count changes
+        let previousCount = peers.count
+        
+        // Get current mesh peers
+        let meshPeers = meshService.getPeerNicknames()
+        
+        // Build peer list
+        var allPeers: [BitchatPeer] = []
+        var connectedNicknames: Set<String> = []
+        var addedPeerIDs: Set<String> = []
+        
+        // Add connected mesh peers (only if actually connected or relay connected)
+        for (peerID, nickname) in meshPeers {
+            guard let noiseKey = Data(hexString: peerID) else { continue }
+            
+            // Safety check: Never add our own peer ID
+            if peerID == meshService.myPeerID {
+                continue
+            }
+            
+            // Check if this peer is actually connected
+            let isConnected = meshService.isPeerConnected(peerID)
+            
+            // Skip disconnected peers unless they're favorites (handled later)
+            if !isConnected {
+                continue
+            }
+            
+            if isConnected {
+                connectedNicknames.insert(nickname)
+            }
+            
+            // Track that we've added this peer ID
+            addedPeerIDs.insert(peerID)
+            
+            var peer = BitchatPeer(
+                id: peerID,
+                noisePublicKey: noiseKey,
+                nickname: nickname,
+                isConnected: isConnected
+            )
+            // Set favorite status - check both by current noise key and by nickname
+            if let favoriteStatus = favoritesService.getFavoriteStatus(for: noiseKey) {
+                peer.favoriteStatus = favoriteStatus
+                peer.nostrPublicKey = favoriteStatus.peerNostrPublicKey
+            } else {
+                // Check if we have a favorite for this nickname (peer may have reconnected with new ID)
+                let favoriteByNickname = favoritesService.favorites.values.first { $0.peerNickname == nickname }
+                if let favorite = favoriteByNickname {
+                    SecureLogger.log("🔄 Found favorite for '\(nickname)' by nickname, updating noise key", 
+                                    category: SecureLogger.session, level: .info)
+                    // Update the favorite's noise key to match the current connection
+                    favoritesService.updateNoisePublicKey(from: favorite.peerNoisePublicKey, to: noiseKey, peerNickname: nickname)
+                    // Get the updated favorite with the new key
+                    peer.favoriteStatus = favoritesService.getFavoriteStatus(for: noiseKey)
+                    peer.nostrPublicKey = peer.favoriteStatus?.peerNostrPublicKey ?? favorite.peerNostrPublicKey
+                }
+            }
+            allPeers.append(peer)
+        }
+        
+        // Add offline favorites (only those not currently connected AND that we actively favorite)
+        
+        for (favoriteKey, favorite) in favoritesService.favorites {
+            let favoriteID = favorite.peerNoisePublicKey.hexEncodedString()
+            
+            // Skip if this peer is already connected (by nickname)
+            if connectedNicknames.contains(favorite.peerNickname) {
+                // Skipping favorite - already connected
+                continue
+            }
+            
+            // Skip if we already added a peer with this ID (prevents duplicates)
+            if addedPeerIDs.contains(favoriteID) {
+                // Skipping favorite - peer ID already added
+                continue
+            }
+            
+            // Only add peers that WE favorite (not just ones who favorite us)
+            if !favorite.isFavorite {
+                // Skipping - we don't favorite them
+                continue
+            }
+            
+            // Add this favorite as an offline peer
+            SecureLogger.log("  - Adding offline favorite '\(favorite.peerNickname)' (key: \(favoriteKey.hexEncodedString()), ID: \(favoriteID), mutual: \(favorite.isMutual))", 
+                            category: SecureLogger.session, level: .info)
+            
+            var peer = BitchatPeer(
+                id: favoriteID,
+                noisePublicKey: favorite.peerNoisePublicKey,
+                nickname: favorite.peerNickname,
+                isConnected: false
+            )
+            // Set favorite status
+            peer.favoriteStatus = favorite
+            peer.nostrPublicKey = favorite.peerNostrPublicKey
+            addedPeerIDs.insert(favoriteID)  // Track that we've added this ID
+            allPeers.append(peer)
+        }
+        
+        // Filter out "Unknown" peers unless they are favorites or have a favorite relationship
+        allPeers = allPeers.filter { peer in
+            !(peer.displayName == "Unknown" && peer.favoriteStatus == nil)
+        }
+        
+        // Sort: Connected first, then favorites, then alphabetical
+        allPeers.sort { lhs, rhs in
+            // Direct connections first
+            if lhs.isConnected != rhs.isConnected {
+                return lhs.isConnected
+            }
+            // Then favorites
+            if lhs.isFavorite != rhs.isFavorite {
+                return lhs.isFavorite
+            }
+            // Finally alphabetical
+            return lhs.displayName < rhs.displayName
+        }
+        
+        // Single pass to compute all subsets and counts
+        var favorites: [BitchatPeer] = []
+        var mutualFavorites: [BitchatPeer] = []
+        var connectedCount = 0
+        var offlineCount = 0
+        
+        for peer in allPeers {
+            if peer.isFavorite {
+                favorites.append(peer)
+            }
+            if peer.isMutualFavorite {
+                mutualFavorites.append(peer)
+            }
+            if peer.isConnected {
+                connectedCount += 1
+            } else {
+                offlineCount += 1
+            }
+        }
+        
+        // Final safety check: ensure no duplicate IDs
+        var finalPeers: [BitchatPeer] = []
+        var seenIDs: Set<String> = []
+        for peer in allPeers {
+            if !seenIDs.contains(peer.id) {
+                seenIDs.insert(peer.id)
+                finalPeers.append(peer)
+            } else {
+                SecureLogger.log("⚠️ Removing duplicate peer ID in final check: \(peer.id) (\(peer.displayName))", 
+                               category: SecureLogger.session, level: .warning)
+            }
+        }
+        
+        self.peers = finalPeers
+        self.favorites = favorites
+        self.mutualFavorites = mutualFavorites
+        
+        // Log peer list summary sparingly at debug level
+        if favoritesService.favorites.count > 0 {
+            SecureLogger.log("📊 Peer list update: \(allPeers.count) total (\(connectedCount) connected, \(offlineCount) offline), \(favorites.count) favorites, \(mutualFavorites.count) mutual", 
+                            category: SecureLogger.session, level: .debug)
+        } else if previousCount != allPeers.count {
+            SecureLogger.log("✅ Updated peer list: \(allPeers.count) total peers", 
+                            category: SecureLogger.session, level: .debug)
+        }
+    }
+    
+    func toggleFavorite(_ peer: BitchatPeer) {
+        if peer.isFavorite {
+            favoritesService.removeFavorite(peerNoisePublicKey: peer.noisePublicKey)
+        } else {
+            favoritesService.addFavorite(
+                peerNoisePublicKey: peer.noisePublicKey,
+                peerNostrPublicKey: peer.nostrPublicKey,
+                peerNickname: peer.nickname
+            )
+        }
+        updatePeers()
+    }
+}

bitchat/Nostr/GeoRelayDirectory.swift

@@ -14,7 +14,7 @@ final class GeoRelayDirectory {
     private let cacheFileName = "georelays_cache.csv"
     private let lastFetchKey = "georelay.lastFetchAt"
     private let remoteURL = URL(string: "https://raw.githubusercontent.com/permissionlesstech/georelays/refs/heads/main/nostr_relays.csv")!
-    private let fetchInterval: TimeInterval = TransportConfig.geoRelayFetchIntervalSeconds // 24h
+    private let fetchInterval: TimeInterval = 60 * 60 * 24 // 24h
 
     private init() {
         // Load cached or bundled data synchronously

bitchat/Nostr/NostrProtocol.swift

@@ -122,8 +122,8 @@ struct NostrProtocol {
             tags: tags,
             content: content
         )
-        let schnorrKey = try senderIdentity.schnorrSigningKey()
+        let signingKey = try senderIdentity.signingKey()
-        return try event.sign(with: schnorrKey)
+        return try event.sign(with: signingKey)
     }
     
     // MARK: - Private Methods
@@ -149,8 +149,9 @@ struct NostrProtocol {
             content: encrypted
         )
         
-        // Sign the seal with the sender's Schnorr private key
+        // Convert to P256K.Signing.PrivateKey for signing (temporary until we update sign method)
-        return try seal.sign(with: senderKey)
+        let signingKey = try P256K.Signing.PrivateKey(dataRepresentation: senderKey.dataRepresentation)
+        return try seal.sign(with: signingKey)
     }
     
     private static func createGiftWrap(
@@ -180,8 +181,9 @@ struct NostrProtocol {
             content: encrypted
         )
         
-        // Sign the gift wrap with the wrap Schnorr private key
+        // Convert to P256K.Signing.PrivateKey for signing (temporary until we update sign method)
-        return try giftWrap.sign(with: wrapKey)
+        let signingKey = try P256K.Signing.PrivateKey(dataRepresentation: wrapKey.dataRepresentation)
+        return try giftWrap.sign(with: signingKey)
     }
     
     private static func unwrapGiftWrap(
@@ -414,7 +416,7 @@ struct NostrProtocol {
         
         // Log with explicit UTC and local time for debugging
         let formatter = DateFormatter()
-        //
+        // Removed unnecessary date formatting operations
         formatter.dateFormat = "yyyy-MM-dd HH:mm:ss"
         formatter.timeZone = TimeZone(abbreviation: "UTC")
         
@@ -470,16 +472,19 @@ struct NostrEvent: Codable {
         self.sig = dict["sig"] as? String
     }
     
-    func sign(with key: P256K.Schnorr.PrivateKey) throws -> NostrEvent {
+    func sign(with key: P256K.Signing.PrivateKey) throws -> NostrEvent {
         let (eventId, eventIdHash) = try calculateEventId()
         
-        // Sign with Schnorr (BIP-340)
+        // Convert to Schnorr key for Nostr signing
+        let schnorrKey = try P256K.Schnorr.PrivateKey(dataRepresentation: key.dataRepresentation)
+        
+        // Sign with Schnorr
         var messageBytes = [UInt8](eventIdHash)
         var auxRand = [UInt8](repeating: 0, count: 32)
         _ = auxRand.withUnsafeMutableBytes { ptr in
             SecRandomCopyBytes(kSecRandomDefault, 32, ptr.baseAddress!)
         }
-        let schnorrSignature = try key.signature(message: &messageBytes, auxiliaryRand: &auxRand)
+        let schnorrSignature = try schnorrKey.signature(message: &messageBytes, auxiliaryRand: &auxRand)
         
         let signatureHex = schnorrSignature.dataRepresentation.hexEncodedString()
         

bitchat/Nostr/NostrRelayManager.swift

@@ -48,10 +48,10 @@ class NostrRelayManager: ObservableObject {
     private let messageQueueLock = NSLock()
     
     // Exponential backoff configuration
-    private let initialBackoffInterval: TimeInterval = TransportConfig.nostrRelayInitialBackoffSeconds
+    private let initialBackoffInterval: TimeInterval = 1.0  // Start with 1 second
-    private let maxBackoffInterval: TimeInterval = TransportConfig.nostrRelayMaxBackoffSeconds
+    private let maxBackoffInterval: TimeInterval = 300.0    // Max 5 minutes
-    private let backoffMultiplier: Double = TransportConfig.nostrRelayBackoffMultiplier
+    private let backoffMultiplier: Double = 2.0            // Double each time
-    private let maxReconnectAttempts = TransportConfig.nostrRelayMaxReconnectAttempts
+    private let maxReconnectAttempts = 10                  // Stop after 10 attempts
     
     // Reconnection timer
     private var reconnectionTimer: Timer?
@@ -289,7 +289,7 @@ class NostrRelayManager: ObservableObject {
                         
                         // Only log non-gift-wrap events to reduce noise
                         if event.kind != 1059 {
-                            SecureLogger.log("📥 Event kind=\(event.kind) id=\(event.id.prefix(16))… relay=\(relayUrl)",
+                            SecureLogger.log("📥 Received Nostr event (kind: \(event.kind)) from relay: \(relayUrl)", 
                                             category: SecureLogger.session, level: .debug)
                         }
                         
@@ -321,11 +321,11 @@ class NostrRelayManager: ObservableObject {
                         let reason = array.count >= 4 ? (array[3] as? String ?? "no reason given") : "no reason given"
                         if success {
                             _ = Self.pendingGiftWrapIDs.remove(eventId)
-                            SecureLogger.log("✅ Accepted id=\(eventId.prefix(16))… relay=\(relayUrl)",
+                            SecureLogger.log("✅ Event accepted id=\(eventId.prefix(16))... by relay: \(relayUrl)",
                                             category: SecureLogger.session, level: .debug)
                         } else {
                             let isGiftWrap = Self.pendingGiftWrapIDs.remove(eventId) != nil
-                            SecureLogger.log("📮 Rejected id=\(eventId.prefix(16))… reason=\(reason)", 
+                            SecureLogger.log("📮 Event \(eventId.prefix(16))... rejected by relay: \(reason)", 
                                             category: SecureLogger.session, level: isGiftWrap ? .warning : .error)
                         }
                     }
@@ -353,7 +353,7 @@ class NostrRelayManager: ObservableObject {
             let data = try encoder.encode(req)
             let message = String(data: data, encoding: .utf8) ?? ""
             
-            SecureLogger.log("📤 Send kind=\(event.kind) id=\(event.id.prefix(16))… relay=\(relayUrl)", 
+            SecureLogger.log("📤 Sending Nostr event (kind: \(event.kind)) to relay: \(relayUrl)", 
                             category: SecureLogger.session, level: .debug)
             
             connection.send(.string(message)) { [weak self] error in
@@ -568,7 +568,7 @@ struct NostrFilter: Encodable {
         filter.kinds = [1059] // Gift wrap kind
         filter.since = since?.timeIntervalSince1970.toInt()
         filter.tagFilters = ["p": [pubkey]]
-        filter.limit = TransportConfig.nostrRelayDefaultFetchLimit // reasonable limit
+        filter.limit = 100 // Add a reasonable limit
         return filter
     }
 

bitchat/Protocols/BitchatProtocol.swift

@@ -181,7 +181,8 @@ enum LazyHandshakeState {
     case failed(Error)         // Handshake failed
 }
 
-//
+// MARK: - Special Recipients (removed)
+// Previously defined broadcast identifiers were unused; removed for simplicity.
 
 // MARK: - Core Protocol Structures
 
@@ -267,7 +268,8 @@ struct BitchatPacket: Codable {
     }
 }
 
-//
+// MARK: - Delivery Acknowledgments (removed)
+// Legacy DeliveryAck structures are no longer used; delivery status flows via Noise payloads.
 
 // MARK: - Read Receipts
 
@@ -359,7 +361,7 @@ struct ReadReceipt: Codable {
 }
 
 
-//
+// PeerIdentityBinding removed (unused).
 
 
 // MARK: - Delivery Status

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",
+        "/msg", "/who", "/clear", "/help",
         "/hug", "/slap", "/fav", "/unfav",
         "/block", "/unblock"
     ]
@@ -95,10 +95,10 @@ class AutocompleteService {
     
     private func needsArgument(command: String) -> Bool {
         switch command {
-        case "/who", "/clear":
+        case "/who", "/clear", "/help":
             return false
         default:
             return true
         }
     }
-}
+}

bitchat/Services/CommandProcessor.swift

@@ -33,15 +33,6 @@ 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)
@@ -58,14 +49,11 @@ 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)
-        //
         case "/help", "/h":
-            return .error(message: "unknown command: \(cmd)")
+            return handleHelp()
         default:
             return .error(message: "unknown command: \(cmd)")
         }
@@ -97,34 +85,19 @@ class CommandProcessor {
     }
     
     private func handleWho() -> CommandResult {
-        // Show geohash participants when in a geohash channel; otherwise mesh peers
+        guard let peers = meshService?.getPeerNicknames(), !peers.isEmpty else {
-        switch LocationChannelManager.shared.selectedChannel {
+            return .success(message: "no one else is online right now")
-        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)")
         }
+        
+        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?.clearCurrentPublicTimeline()
+            chatViewModel?.messages.removeAll()
         }
         return .handled
     }
@@ -192,8 +165,12 @@ 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

@@ -1,8 +1,8 @@
 import Foundation
-import Combine
 
-#if os(iOS) || os(macOS)
+#if os(iOS)
 import CoreLocation
+import Combine
 
 /// 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.
@@ -39,7 +39,7 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
         super.init()
         cl.delegate = self
         cl.desiredAccuracy = kCLLocationAccuracyHundredMeters
-        cl.distanceFilter = TransportConfig.locationDistanceFilterMeters // meters; we're not tracking continuously
+        cl.distanceFilter = 1000 // meters; we're not tracking continuously
         // Load selection
         if let data = UserDefaults.standard.data(forKey: userDefaultsKey),
            let channel = try? JSONDecoder().decode(ChannelID.self, from: data) {
@@ -55,7 +55,7 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
             teleported = teleportedSet.contains(ch.geohash)
         }
         let status: CLAuthorizationStatus
-        if #available(iOS 14.0, macOS 11.0, *) {
+        if #available(iOS 14.0, *) {
             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, macOS 11.0, *) {
+        if #available(iOS 14.0, *) {
             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, .authorized:
+        case .authorizedAlways, .authorizedWhenInUse:
             Task { @MainActor in self.permissionState = .authorized }
             requestOneShotLocation()
         @unknown default:
@@ -92,30 +92,23 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
         }
     }
 
-    /// Begin continuous, distance-filtered updates while the channel sheet is visible.
+    /// Begin periodic one-shot location refreshes while a selector UI is visible.
-    /// Uses a 21m filter (configurable) to only refresh on meaningful movement.
+    func beginLiveRefresh(interval: TimeInterval = 5.0) {
-    func beginLiveRefresh(interval: TimeInterval = TransportConfig.locationLiveRefreshInterval) {
         guard permissionState == .authorized else { return }
-        // Stop any previous polling timer
+        // Switch to a lightweight periodic one-shot request (polling) while the sheet is open
         refreshTimer?.invalidate()
-        refreshTimer = nil
+        refreshTimer = Timer.scheduledTimer(withTimeInterval: interval, repeats: true) { [weak self] _ in
-        // Tighten accuracy and distance filter for live view
+            self?.requestOneShotLocation()
-        cl.desiredAccuracy = kCLLocationAccuracyNearestTenMeters
+        }
-        cl.distanceFilter = TransportConfig.locationDistanceFilterLiveMeters
+        // Kick off immediately
-        // Start continuous updates
-        cl.startUpdatingLocation()
-        // Request an immediate fix to populate UI without waiting for movement
         requestOneShotLocation()
     }
 
-    /// Stop continuous refreshes when selector UI is dismissed.
+    /// Stop periodic refreshes when selector UI is dismissed.
     func endLiveRefresh() {
         refreshTimer?.invalidate()
         refreshTimer = nil
         cl.stopUpdatingLocation()
-        // Restore more relaxed defaults for background/idle state
-        cl.desiredAccuracy = kCLLocationAccuracyHundredMeters
-        cl.distanceFilter = TransportConfig.locationDistanceFilterMeters
     }
 
     func select(_ channel: ChannelID) {
@@ -158,8 +151,8 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
         }
     }
 
-    // iOS 14+ / macOS 11+
+    // iOS 14+
-    @available(iOS 14.0, macOS 11.0, *)
+    @available(iOS 14.0, *)
     func locationManagerDidChangeAuthorization(_ manager: CLLocationManager) {
         updatePermissionState(from: manager.authorizationStatus)
         if case .authorized = permissionState {
@@ -187,7 +180,7 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
         case .notDetermined: newState = .notDetermined
         case .restricted: newState = .restricted
         case .denied: newState = .denied
-        case .authorizedAlways, .authorizedWhenInUse, .authorized: newState = .authorized
+        case .authorizedAlways, .authorizedWhenInUse: newState = .authorized
         @unknown default: newState = .restricted
         }
         Task { @MainActor in self.permissionState = newState }
@@ -263,4 +256,5 @@ final class LocationChannelManager: NSObject, CLLocationManagerDelegate, Observa
         return dict
     }
 }
+
 #endif

bitchat/Services/MessageRouter.swift

@@ -37,11 +37,11 @@ final class MessageRouter {
     }
 
     func sendPrivate(_ content: String, to peerID: String, recipientNickname: String, messageID: String) {
-        let reachableMesh = mesh.isPeerReachable(peerID)
+        let hasMesh = mesh.isPeerConnected(peerID)
-        if reachableMesh {
+        let hasEstablished = mesh.getNoiseService().hasEstablishedSession(with: peerID)
-            SecureLogger.log("Routing PM via mesh (reachable) to \(peerID.prefix(8))… id=\(messageID.prefix(8))…",
+        if hasMesh && hasEstablished {
+            SecureLogger.log("Routing PM via mesh to \(peerID.prefix(8))… id=\(messageID.prefix(8))…",
                             category: SecureLogger.session, level: .debug)
-            // BLEService will initiate a handshake if needed and queue the message
             mesh.sendPrivateMessage(content, to: peerID, recipientNickname: recipientNickname, messageID: messageID)
         } else if canSendViaNostr(peerID: peerID) {
             SecureLogger.log("Routing PM via Nostr to \(peerID.prefix(8))… id=\(messageID.prefix(8))…",
@@ -57,9 +57,9 @@ final class MessageRouter {
     }
 
     func sendReadReceipt(_ receipt: ReadReceipt, to peerID: String) {
-        // Prefer mesh for reachable peers; BLE will queue if handshake is needed
+        // Prefer mesh only if a Noise session is established; else use Nostr to avoid handshakeRequired spam
-        if mesh.isPeerReachable(peerID) {
+        if mesh.isPeerConnected(peerID) && mesh.getNoiseService().hasEstablishedSession(with: peerID) {
-            SecureLogger.log("Routing READ ack via mesh (reachable) to \(peerID.prefix(8))… id=\(receipt.originalMessageID.prefix(8))…",
+            SecureLogger.log("Routing READ ack via mesh to \(peerID.prefix(8))… id=\(receipt.originalMessageID.prefix(8))…",
                             category: SecureLogger.session, level: .debug)
             mesh.sendReadReceipt(receipt, to: peerID)
         } else {
@@ -70,9 +70,7 @@ final class MessageRouter {
     }
 
     func sendDeliveryAck(_ messageID: String, to peerID: String) {
-        if mesh.isPeerReachable(peerID) {
+        if mesh.isPeerConnected(peerID) && mesh.getNoiseService().hasEstablishedSession(with: peerID) {
-            SecureLogger.log("Routing DELIVERED ack via mesh (reachable) to \(peerID.prefix(8))… id=\(messageID.prefix(8))…",
-                            category: SecureLogger.session, level: .debug)
             mesh.sendDeliveryAck(for: messageID, to: peerID)
         } else {
             nostr.sendDeliveryAck(for: messageID, to: peerID)
@@ -103,7 +101,7 @@ final class MessageRouter {
                         category: SecureLogger.session, level: .debug)
         // Prefer mesh if connected; else try Nostr if mapping exists
         for (content, nickname, messageID) in queued {
-            if mesh.isPeerReachable(peerID) {
+            if mesh.isPeerConnected(peerID) {
                 SecureLogger.log("Outbox -> mesh for \(peerID.prefix(8))… id=\(messageID.prefix(8))…",
                                 category: SecureLogger.session, level: .debug)
                 mesh.sendPrivateMessage(content, to: peerID, recipientNickname: nickname, messageID: messageID)

bitchat/Services/NostrTransport.swift

@@ -20,7 +20,7 @@ final class NostrTransport: Transport {
     }
     private var readQueue: [QueuedRead] = []
     private var isSendingReadAcks = false
-    private let readAckInterval: TimeInterval = TransportConfig.nostrReadAckInterval
+    private let readAckInterval: TimeInterval = 0.35 // ~3 per second
 
     var myPeerID: String { senderPeerID }
     var myNickname: String { "" }
@@ -31,7 +31,6 @@ final class NostrTransport: Transport {
     func emergencyDisconnectAll() { /* no-op */ }
 
     func isPeerConnected(_ peerID: String) -> Bool { false }
-    func isPeerReachable(_ peerID: String) -> Bool { false }
     func peerNickname(peerID: String) -> String? { nil }
     func getPeerNicknames() -> [String : String] { [:] }
 
@@ -49,7 +48,16 @@ final class NostrTransport: Transport {
 
     func sendPrivateMessage(_ content: String, to peerID: String, recipientNickname: String, messageID: String) {
         Task { @MainActor in
-            guard let recipientNpub = resolveRecipientNpub(for: peerID) else { return }
+            // Resolve favorite by full noise key or by short peerID fallback
+            var recipientNostrPubkey: String?
+            if let noiseKey = Data(hexString: peerID),
+               let fav = FavoritesPersistenceService.shared.getFavoriteStatus(for: noiseKey) {
+                recipientNostrPubkey = fav.peerNostrPublicKey
+            }
+            if recipientNostrPubkey == nil, peerID.count == 16 {
+                recipientNostrPubkey = FavoritesPersistenceService.shared.getFavoriteStatus(forPeerID: peerID)?.peerNostrPublicKey
+            }
+            guard let recipientNpub = recipientNostrPubkey else { return }
             guard let senderIdentity = try? NostrIdentityBridge.getCurrentNostrIdentity() else { return }
             SecureLogger.log("NostrTransport: preparing PM to \(recipientNpub.prefix(16))… for peerID \(peerID.prefix(8))… id=\(messageID.prefix(8))…",
                             category: SecureLogger.session, level: .debug)
@@ -97,7 +105,15 @@ final class NostrTransport: Transport {
         guard !readQueue.isEmpty else { isSendingReadAcks = false; return }
         let item = readQueue.removeFirst()
         Task { @MainActor in
-            guard let recipientNpub = resolveRecipientNpub(for: item.peerID) else { scheduleNextReadAck(); return }
+            var recipientNostrPubkey: String?
+            if let noiseKey = Data(hexString: item.peerID),
+               let fav = FavoritesPersistenceService.shared.getFavoriteStatus(for: noiseKey) {
+                recipientNostrPubkey = fav.peerNostrPublicKey
+            }
+            if recipientNostrPubkey == nil, item.peerID.count == 16 {
+                recipientNostrPubkey = FavoritesPersistenceService.shared.getFavoriteStatus(forPeerID: item.peerID)?.peerNostrPublicKey
+            }
+            guard let recipientNpub = recipientNostrPubkey else { scheduleNextReadAck(); return }
             guard let senderIdentity = try? NostrIdentityBridge.getCurrentNostrIdentity() else { scheduleNextReadAck(); return }
             SecureLogger.log("NostrTransport: preparing READ ack for id=\(item.receipt.originalMessageID.prefix(8))… to \(recipientNpub.prefix(16))…",
                             category: SecureLogger.session, level: .debug)
@@ -133,7 +149,15 @@ final class NostrTransport: Transport {
 
     func sendFavoriteNotification(to peerID: String, isFavorite: Bool) {
         Task { @MainActor in
-            guard let recipientNpub = resolveRecipientNpub(for: peerID) else { return }
+            var recipientNostrPubkey: String?
+            if let noiseKey = Data(hexString: peerID),
+               let fav = FavoritesPersistenceService.shared.getFavoriteStatus(for: noiseKey) {
+                recipientNostrPubkey = fav.peerNostrPublicKey
+            }
+            if recipientNostrPubkey == nil, peerID.count == 16 {
+                recipientNostrPubkey = FavoritesPersistenceService.shared.getFavoriteStatus(forPeerID: peerID)?.peerNostrPublicKey
+            }
+            guard let recipientNpub = recipientNostrPubkey else { return }
             guard let senderIdentity = try? NostrIdentityBridge.getCurrentNostrIdentity() else { return }
             let content = isFavorite ? "[FAVORITED]:\(senderIdentity.npub)" : "[UNFAVORITED]:\(senderIdentity.npub)"
             SecureLogger.log("NostrTransport: preparing FAVORITE(\(isFavorite)) to \(recipientNpub.prefix(16))…",
@@ -159,26 +183,18 @@ final class NostrTransport: Transport {
         }
     }
 
-    // MARK: - Helpers
-    @MainActor
-    private func resolveRecipientNpub(for peerID: String) -> String? {
-        if let noiseKey = Data(hexString: peerID),
-           let fav = FavoritesPersistenceService.shared.getFavoriteStatus(for: noiseKey),
-           let npub = fav.peerNostrPublicKey {
-            return npub
-        }
-        if peerID.count == 16,
-           let fav = FavoritesPersistenceService.shared.getFavoriteStatus(forPeerID: peerID),
-           let npub = fav.peerNostrPublicKey {
-            return npub
-        }
-        return nil
-    }
-
     func sendBroadcastAnnounce() { /* no-op for Nostr */ }
     func sendDeliveryAck(for messageID: String, to peerID: String) {
         Task { @MainActor in
-            guard let recipientNpub = resolveRecipientNpub(for: peerID) else { return }
+            var recipientNostrPubkey: String?
+            if let noiseKey = Data(hexString: peerID),
+               let fav = FavoritesPersistenceService.shared.getFavoriteStatus(for: noiseKey) {
+                recipientNostrPubkey = fav.peerNostrPublicKey
+            }
+            if recipientNostrPubkey == nil, peerID.count == 16 {
+                recipientNostrPubkey = FavoritesPersistenceService.shared.getFavoriteStatus(forPeerID: peerID)?.peerNostrPublicKey
+            }
+            guard let recipientNpub = recipientNostrPubkey else { return }
             guard let senderIdentity = try? NostrIdentityBridge.getCurrentNostrIdentity() else { return }
             SecureLogger.log("NostrTransport: preparing DELIVERED ack for id=\(messageID.prefix(8))… to \(recipientNpub.prefix(16))…",
                             category: SecureLogger.session, level: .debug)

bitchat/Services/NotificationService.swift

@@ -90,15 +90,6 @@ class NotificationService {
         }
     }
     
-    // Geohash public chat notification with deep link to a specific geohash
-    func sendGeohashActivityNotification(geohash: String, titlePrefix: String = "#", bodyPreview: String) {
-        let title = "\(titlePrefix)\(geohash)"
-        let identifier = "geo-activity-\(geohash)-\(Date().timeIntervalSince1970)"
-        let deeplink = "bitchat://geohash/\(geohash)"
-        let userInfo: [String: Any] = ["deeplink": deeplink]
-        sendLocalNotification(title: title, body: bodyPreview, identifier: identifier, userInfo: userInfo)
-    }
-
     func sendNetworkAvailableNotification(peerCount: Int) {
         let title = "👥 bitchatters nearby!"
         let body = peerCount == 1 ? "1 person around" : "\(peerCount) people around"

bitchat/Services/PrivateChatManager.swift

@@ -27,7 +27,7 @@ class PrivateChatManager: ObservableObject {
     }
 
     // Cap for messages stored per private chat
-    private let privateChatCap = TransportConfig.privateChatCap
+    private let privateChatCap = 1337
     
     /// Start a private chat with a peer
     func startChat(with peerID: String) {

bitchat/Services/RelayController.swift

@@ -12,27 +12,14 @@ struct RelayController {
     static func decide(ttl: UInt8,
                        senderIsSelf: Bool,
                        isEncrypted: Bool,
-                       isDirectedEncrypted: Bool,
                        isDirectedFragment: Bool,
                        isHandshake: Bool,
-                       isAnnounce: Bool,
                        degree: Int,
                        highDegreeThreshold: Int) -> RelayDecision {
         // Suppress obvious non-relays
         if ttl <= 1 || senderIsSelf { return RelayDecision(shouldRelay: false, newTTL: ttl, delayMs: 0) }
 
-        // For session-critical or directed traffic, be deterministic and reliable
+        // Degree-aware probability to reduce floods in dense graphs
-        if isHandshake || isDirectedFragment || isDirectedEncrypted {
-            // Always relay with no TTL cap for these types
-            let newTTL = (ttl &- 1)
-            // Slight jitter to desynchronize without adding too much latency
-            // Tighter for faster multi-hop handshakes and directed DMs
-            let delayRange: ClosedRange<Int> = isHandshake ? 10...35 : 20...60
-            let delayMs = Int.random(in: delayRange)
-            return RelayDecision(shouldRelay: true, newTTL: newTTL, delayMs: delayMs)
-        }
-
-        // Degree-aware probability to reduce floods in dense graphs (broadcast/public)
         let baseProb: Double
         switch degree {
         case 0...2: baseProb = 1.0
@@ -41,29 +28,20 @@ struct RelayController {
         case 7...9: baseProb = 0.55
         default:    baseProb = 0.45
         }
-        let prob = baseProb
+        var prob = baseProb
+        if isHandshake { prob = max(0.3, baseProb - 0.2) }
+
+        // Sample a forwarding decision
         let shouldRelay = Double.random(in: 0...1) <= prob
 
-        // TTL clamping for broadcast
+        // TTL clamping in dense graphs
-        // - Dense graphs: keep very low to avoid floods
+        let ttlCap: UInt8 = degree >= highDegreeThreshold ? 3 : 5
-        // - Sparse graphs: allow slightly longer reach for multi-hop discovery
-        // - Announces in sparse graphs get a bit more headroom
-        let ttlCap: UInt8 = {
-            if degree >= highDegreeThreshold { return 3 }
-            return isAnnounce ? 7 : 6
-        }()
         let clamped = max(1, min(ttl, ttlCap))
         let newTTL = clamped &- 1
 
-        // Wider jitter window to allow duplicate suppression to win more often
+        // Short jitter to desynchronize rebroadcasts
-        // For sparse graphs (<=2), relay quickly to avoid cancellation races
+        let delayMs = Int.random(in: 20...80)
-        let delayMs: Int
-        switch degree {
-        case 0...2: delayMs = Int.random(in: 10...40)
-        case 3...5: delayMs = Int.random(in: 60...150)
-        case 6...9: delayMs = Int.random(in: 80...180)
-        default:    delayMs = Int.random(in: 100...220)
-        }
         return RelayDecision(shouldRelay: shouldRelay, newTTL: newTTL, delayMs: delayMs)
     }
 }
+

bitchat/Services/Transport.swift

@@ -3,7 +3,7 @@ import Combine
 
 /// Abstract transport interface used by ChatViewModel and services.
 /// BLEService implements this protocol; a future Nostr transport can too.
-struct TransportPeerSnapshot: Equatable, Hashable {
+struct TransportPeerSnapshot {
     let id: String
     let nickname: String
     let isConnected: Bool
@@ -29,7 +29,6 @@ protocol Transport: AnyObject {
 
     // Connectivity and peers
     func isPeerConnected(_ peerID: String) -> Bool
-    func isPeerReachable(_ peerID: String) -> Bool
     func peerNickname(peerID: String) -> String?
     func getPeerNicknames() -> [String: String]
 

bitchat/Services/TransportConfig.swift

@@ -1,192 +0,0 @@
-import Foundation
-
-/// Centralized knobs for transport- and UI-related limits.
-/// Keep values aligned with existing behavior when replacing magic numbers.
-enum TransportConfig {
-    // BLE / Protocol
-    static let bleDefaultFragmentSize: Int = 469            // ~512 MTU minus protocol overhead
-    static let messageTTLDefault: UInt8 = 7                 // Default TTL for mesh flooding
-    static let bleMaxInFlightAssemblies: Int = 128          // Cap concurrent fragment assemblies
-    static let bleHighDegreeThreshold: Int = 6              // For adaptive TTL/probabilistic relays
-
-    // UI / Storage Caps
-    static let privateChatCap: Int = 1337
-    static let meshTimelineCap: Int = 1337
-    static let geoTimelineCap: Int = 1337
-    static let contentLRUCap: Int = 2000
-
-    // Timers
-    static let networkResetGraceSeconds: TimeInterval = 600 // 10 minutes
-    static let basePublicFlushInterval: TimeInterval = 0.08  // ~12.5 fps batching
-
-    // BLE duty/announce/connect
-    static let bleConnectRateLimitInterval: TimeInterval = 0.5
-    static let bleMaxCentralLinks: Int = 6
-    static let bleDutyOnDuration: TimeInterval = 5.0
-    static let bleDutyOffDuration: TimeInterval = 10.0
-    static let bleAnnounceMinInterval: TimeInterval = 1.0
-
-    // BLE discovery/quality thresholds
-    static let bleDynamicRSSIThresholdDefault: Int = -90
-    static let bleConnectionCandidatesMax: Int = 100
-    static let blePendingWriteBufferCapBytes: Int = 1_000_000
-    static let blePendingNotificationsCapCount: Int = 20
-
-    // Nostr
-    static let nostrReadAckInterval: TimeInterval = 0.35 // ~3 per second
-
-    // UI thresholds
-    static let uiLateInsertThreshold: TimeInterval = 15.0
-    static let uiProcessedNostrEventsCap: Int = 2000
-    static let uiChannelInactivityThresholdSeconds: TimeInterval = 9 * 60
-    
-    // UI rate limiters (token buckets)
-    static let uiSenderRateBucketCapacity: Double = 5
-    static let uiSenderRateBucketRefillPerSec: Double = 1.0
-    static let uiContentRateBucketCapacity: Double = 3
-    static let uiContentRateBucketRefillPerSec: Double = 0.5
-
-    // UI sleeps/delays
-    static let uiStartupInitialDelaySeconds: TimeInterval = 1.0
-    static let uiStartupShortSleepNs: UInt64 = 200_000_000
-    static let uiStartupPhaseDurationSeconds: TimeInterval = 2.0
-    static let uiAsyncShortSleepNs: UInt64 = 100_000_000
-    static let uiAsyncMediumSleepNs: UInt64 = 500_000_000
-    static let uiReadReceiptRetryShortSeconds: TimeInterval = 0.1
-    static let uiReadReceiptRetryLongSeconds: TimeInterval = 0.5
-    static let uiBatchDispatchStaggerSeconds: TimeInterval = 0.15
-    static let uiScrollThrottleSeconds: TimeInterval = 0.5
-    static let uiAnimationShortSeconds: TimeInterval = 0.15
-    static let uiAnimationMediumSeconds: TimeInterval = 0.2
-    static let uiAnimationSidebarSeconds: TimeInterval = 0.25
-    static let uiRecentCutoffFiveMinutesSeconds: TimeInterval = 5 * 60
-
-    // BLE maintenance & thresholds
-    static let bleMaintenanceInterval: TimeInterval = 5.0
-    static let bleMaintenanceLeewaySeconds: Int = 1
-    static let bleIsolationRelaxThresholdSeconds: TimeInterval = 60
-    static let bleRecentTimeoutWindowSeconds: TimeInterval = 60
-    static let bleRecentTimeoutCountThreshold: Int = 3
-    static let bleRSSIIsolatedBase: Int = -90
-    static let bleRSSIIsolatedRelaxed: Int = -92
-    static let bleRSSIConnectedThreshold: Int = -85
-    static let bleRSSIHighTimeoutThreshold: Int = -80
-    // How long without seeing traffic before we sanity-check the direct link
-    // Lowered to make connected→reachable icon changes react faster when walking out of range
-    static let blePeerInactivityTimeoutSeconds: TimeInterval = 8.0
-    // How long to retain a peer as "reachable" (not directly connected) since lastSeen
-    static let bleReachabilityRetentionVerifiedSeconds: TimeInterval = 21.0    // 21s for verified/favorites
-    static let bleReachabilityRetentionUnverifiedSeconds: TimeInterval = 21.0  // 21s for unknown/unverified
-    static let bleFragmentLifetimeSeconds: TimeInterval = 30.0
-    static let bleIngressRecordLifetimeSeconds: TimeInterval = 3.0
-    static let bleConnectTimeoutBackoffWindowSeconds: TimeInterval = 120.0
-    static let bleRecentPacketWindowSeconds: TimeInterval = 30.0
-    static let bleRecentPacketWindowMaxCount: Int = 100
-    // Keep scanning fully ON when we saw traffic very recently
-    static let bleRecentTrafficForceScanSeconds: TimeInterval = 10.0
-    static let bleThreadSleepWriteShortDelaySeconds: TimeInterval = 0.05
-    static let bleExpectedWritePerFragmentMs: Int = 8
-    static let bleExpectedWriteMaxMs: Int = 2000
-    // Faster fragment pacing; use slightly tighter spacing for directed trains
-    static let bleFragmentSpacingMs: Int = 5
-    static let bleFragmentSpacingDirectedMs: Int = 4
-    static let bleAnnounceIntervalSeconds: TimeInterval = 4.0
-    static let bleDutyOnDurationDense: TimeInterval = 3.0
-    static let bleDutyOffDurationDense: TimeInterval = 15.0
-    static let bleConnectedAnnounceBaseSecondsDense: TimeInterval = 30.0
-    static let bleConnectedAnnounceBaseSecondsSparse: TimeInterval = 15.0
-    static let bleConnectedAnnounceJitterDense: TimeInterval = 8.0
-    static let bleConnectedAnnounceJitterSparse: TimeInterval = 4.0
-
-    // Location
-    static let locationDistanceFilterMeters: Double = 1000
-    // Live (channel sheet open) distance threshold for meaningful updates
-    static let locationDistanceFilterLiveMeters: Double = 21.0
-    static let locationLiveRefreshInterval: TimeInterval = 5.0
-
-    // Notifications (geohash)
-    static let uiGeoNotifyCooldownSeconds: TimeInterval = 60.0
-    static let uiGeoNotifySnippetMaxLen: Int = 80
-
-    // Nostr geohash
-    static let nostrGeohashInitialLookbackSeconds: TimeInterval = 3600
-    static let nostrGeohashInitialLimit: Int = 200
-    static let nostrGeoRelayCount: Int = 5
-    static let nostrGeohashSampleLookbackSeconds: TimeInterval = 300
-    static let nostrGeohashSampleLimit: Int = 100
-    static let nostrDMSubscribeLookbackSeconds: TimeInterval = 86400
-
-    // Nostr helpers
-    static let nostrShortKeyDisplayLength: Int = 8
-    static let nostrConvKeyPrefixLength: Int = 16
-
-    // Compression
-    static let compressionThresholdBytes: Int = 100
-
-    // Message deduplication
-    static let messageDedupMaxAgeSeconds: TimeInterval = 300
-    static let messageDedupMaxCount: Int = 1000
-
-    // Verification QR
-    static let verificationQRMaxAgeSeconds: TimeInterval = 5 * 60
-
-    // Nostr relay backoff
-    static let nostrRelayInitialBackoffSeconds: TimeInterval = 1.0
-    static let nostrRelayMaxBackoffSeconds: TimeInterval = 300.0
-    static let nostrRelayBackoffMultiplier: Double = 2.0
-    static let nostrRelayMaxReconnectAttempts: Int = 10
-    static let nostrRelayDefaultFetchLimit: Int = 100
-
-    // Geo relay directory
-    static let geoRelayFetchIntervalSeconds: TimeInterval = 60 * 60 * 24
-
-    // BLE operational delays
-    static let bleInitialAnnounceDelaySeconds: TimeInterval = 0.6
-    static let bleConnectTimeoutSeconds: TimeInterval = 8.0
-    static let bleRestartScanDelaySeconds: TimeInterval = 0.1
-    static let blePostSubscribeAnnounceDelaySeconds: TimeInterval = 0.05
-    static let blePostAnnounceDelaySeconds: TimeInterval = 0.4
-    static let bleForceAnnounceMinIntervalSeconds: TimeInterval = 0.15
-
-    // Store-and-forward for directed packets at relays
-    static let bleDirectedSpoolWindowSeconds: TimeInterval = 15.0
-
-    // Log/UI debounce windows
-    // Shorter debounce so UI reacts faster while still suppressing duplicate callbacks
-    static let bleDisconnectNotifyDebounceSeconds: TimeInterval = 0.9
-    static let bleReconnectLogDebounceSeconds: TimeInterval = 2.0
-
-    // Weak-link cooldown after connection timeouts
-    static let bleWeakLinkCooldownSeconds: TimeInterval = 30.0
-    static let bleWeakLinkRSSICutoff: Int = -90
-
-    // Content hashing / formatting
-    static let contentKeyPrefixLength: Int = 256
-    static let uiLongMessageLengthThreshold: Int = 2000
-    static let uiVeryLongTokenThreshold: Int = 512
-    static let uiLongMessageLineLimit: Int = 30
-    static let uiFingerprintSampleCount: Int = 3
-    
-    // UI swipe/gesture thresholds
-    static let uiBackSwipeTranslationLarge: CGFloat = 50
-    static let uiBackSwipeTranslationSmall: CGFloat = 30
-    static let uiBackSwipeVelocityThreshold: CGFloat = 300
-    
-    // UI color tuning
-    static let uiColorHueAvoidanceDelta: Double = 0.05
-    static let uiColorHueOffset: Double = 0.12
-    // Peer list palette
-    static let uiPeerPaletteSlots: Int = 36
-    static let uiPeerPaletteRingBrightnessDeltaLight: Double = 0.07
-    static let uiPeerPaletteRingBrightnessDeltaDark: Double = -0.07
-
-    // UI windowing (infinite scroll)
-    static let uiWindowInitialCountPublic: Int = 300
-    static let uiWindowInitialCountPrivate: Int = 300
-    static let uiWindowStepCount: Int = 200
-
-    // Share extension
-    static let uiShareExtensionDismissDelaySeconds: TimeInterval = 0.3
-    static let uiShareAcceptWindowSeconds: TimeInterval = 30.0
-    static let uiMigrationCutoffSeconds: TimeInterval = 24 * 60 * 60
-}

bitchat/Services/UnifiedPeerService.swift

@@ -68,28 +68,24 @@ class UnifiedPeerService: ObservableObject, TransportPeerEventsDelegate {
     
     private func updatePeers() {
         let meshPeers = meshService.currentPeerSnapshots()
-        // If we have no direct links at all, peers should not be marked reachable
-        // "Reachable" means mesh-attached via at least one live link.
-        let hasAnyConnected = meshPeers.contains { $0.isConnected }
         let favorites = favoritesService.favorites
         
         var enrichedPeers: [BitchatPeer] = []
         var connected: Set<String> = []
         var addedPeerIDs: Set<String> = []
         
-        // Phase 1: Add all mesh peers (connected and reachable)
+        // Phase 1: Add all connected mesh peers
-        for peerInfo in meshPeers {
+        for peerInfo in meshPeers where peerInfo.isConnected {
             let peerID = peerInfo.id
             guard peerID != meshService.myPeerID else { continue }  // Never add self
             
             let peer = buildPeerFromMesh(
                 peerInfo: peerInfo,
-                favorites: favorites,
+                favorites: favorites
-                meshAttached: hasAnyConnected
             )
             
             enrichedPeers.append(peer)
-            if peer.isConnected { connected.insert(peerID) }
+            connected.insert(peerID)
             addedPeerIDs.insert(peerID)
             
             // Update fingerprint cache
@@ -121,12 +117,14 @@ class UnifiedPeerService: ObservableObject, TransportPeerEventsDelegate {
         
         // Phase 3: Sort peers
         enrichedPeers.sort { lhs, rhs in
-            // Connectivity rank: connected > reachable > others
+            // Connected first
-            func rank(_ p: BitchatPeer) -> Int { p.isConnected ? 2 : (p.isReachable ? 1 : 0) }
+            if lhs.isConnected != rhs.isConnected {
-            let lr = rank(lhs), rr = rank(rhs)
+                return lhs.isConnected
-            if lr != rr { return lr > rr }
+            }
-            // Then favorites inside same rank
+            // Then favorites
-            if lhs.isFavorite != rhs.isFavorite { return lhs.isFavorite }
+            if lhs.isFavorite != rhs.isFavorite {
+                return lhs.isFavorite
+            }
             // Finally alphabetical
             return lhs.displayName < rhs.displayName
         }
@@ -147,11 +145,8 @@ class UnifiedPeerService: ObservableObject, TransportPeerEventsDelegate {
             }
         }
         
-        // Phase 5: Filter out offline non-mutual peers and update published properties
+        // Phase 5: Update published properties
-        let filtered = enrichedPeers.filter { p in
+        self.peers = enrichedPeers
-            p.isConnected || p.isReachable || p.isMutualFavorite
-        }
-        self.peers = filtered
         self.connectedPeerIDs = connected
         self.favorites = favoritesList
         self.mutualFavorites = mutualsList
@@ -167,26 +162,14 @@ class UnifiedPeerService: ObservableObject, TransportPeerEventsDelegate {
     
     private func buildPeerFromMesh(
         peerInfo: TransportPeerSnapshot,
-        favorites: [Data: FavoritesPersistenceService.FavoriteRelationship],
+        favorites: [Data: FavoritesPersistenceService.FavoriteRelationship]
-        meshAttached: Bool
     ) -> BitchatPeer {
-        // Determine reachability based on lastSeen and identity trust
-        let now = Date()
-        let fingerprint = peerInfo.noisePublicKey?.sha256Fingerprint()
-        let isVerified = fingerprint.map { SecureIdentityStateManager.shared.isVerified(fingerprint: $0) } ?? false
-        let isFav = peerInfo.noisePublicKey.flatMap { favorites[$0]?.isFavorite } ?? false
-        let retention: TimeInterval = (isVerified || isFav) ? TransportConfig.bleReachabilityRetentionVerifiedSeconds : TransportConfig.bleReachabilityRetentionUnverifiedSeconds
-        // A peer is reachable if we recently saw them AND we are attached to the mesh
-        let withinRetention = now.timeIntervalSince(peerInfo.lastSeen) <= retention
-        let isReachable = peerInfo.isConnected ? true : (withinRetention && meshAttached)
-
         var peer = BitchatPeer(
             id: peerInfo.id,
             noisePublicKey: peerInfo.noisePublicKey ?? Data(),
             nickname: peerInfo.nickname,
             lastSeen: peerInfo.lastSeen,
-            isConnected: peerInfo.isConnected,
+            isConnected: true
-            isReachable: isReachable
         )
         
         // Check for favorite status
@@ -233,8 +216,7 @@ class UnifiedPeerService: ObservableObject, TransportPeerEventsDelegate {
             noisePublicKey: favorite.peerNoisePublicKey,
             nickname: favorite.peerNickname,
             lastSeen: favorite.lastUpdated,
-            isConnected: false,
+            isConnected: false
-            isReachable: false
         )
         
         peer.favoriteStatus = favorite

bitchat/Services/VerificationService.swift

@@ -102,7 +102,7 @@ final class VerificationService {
     }
 
     /// Verify a scanned QR and return the parsed payload if valid (signature + freshness checks)
-    func verifyScannedQR(_ urlString: String, maxAge: TimeInterval = TransportConfig.verificationQRMaxAgeSeconds) -> VerificationQR? {
+    func verifyScannedQR(_ urlString: String, maxAge: TimeInterval = 5 * 60) -> VerificationQR? {
         guard let url = URL(string: urlString), let qr = VerificationQR.fromURL(url) else { return nil }
         // Freshness
         let now = Date().timeIntervalSince1970

bitchat/Utils/CompressionUtil.swift

@@ -11,7 +11,7 @@ import Compression
 
 struct CompressionUtil {
     // Compression threshold - don't compress if data is smaller than this
-    static let compressionThreshold = TransportConfig.compressionThresholdBytes // bytes
+    static let compressionThreshold = 100 // bytes
     
     // Compress data using zlib algorithm (most compatible)
     static func compress(_ data: Data) -> Data? {

bitchat/Utils/InputValidator.swift

@@ -18,18 +18,14 @@ struct InputValidator {
     
     /// Validates a peer ID from any source (short 16-hex, full 64-hex, or internal alnum/-/_ up to 64)
     static func validatePeerID(_ peerID: String) -> Bool {
-        // Accept short routing IDs (exact 16-hex)
+        // Accept short routing IDs (16-hex)
         if PeerIDResolver.isShortID(peerID) { return true }
-        // If length equals short-hex length but isn't valid hex, reject
+        // Accept full Noise key hex (64-hex)
-        if peerID.count == Limits.hexPeerIDLength { return false }
-        // Accept full Noise key hex (exact 64-hex)
         if PeerIDResolver.isNoiseKeyHex(peerID) { return true }
-        // If length equals full key length but isn't valid hex, reject
+        // Internal format: alphanumeric + dash/underscore up to 64
-        if peerID.count == Limits.maxPeerIDLength { return false }
-        // Internal format: alphanumeric + dash/underscore up to 63 (not 16 or 64)
         let validCharset = CharacterSet.alphanumerics.union(CharacterSet(charactersIn: "-_"))
         return !peerID.isEmpty &&
-               peerID.count < Limits.maxPeerIDLength &&
+               peerID.count <= Limits.maxPeerIDLength &&
                peerID.rangeOfCharacter(from: validCharset.inverted) == nil
     }
     

bitchat/Utils/MessageDeduplicator.swift

@@ -11,8 +11,8 @@ final class MessageDeduplicator {
     private var entries: [Entry] = []
     private var lookup = Set<String>()
     private let lock = NSLock()
-    private let maxAge: TimeInterval = TransportConfig.messageDedupMaxAgeSeconds  // 5 minutes
+    private let maxAge: TimeInterval = 300  // 5 minutes
-    private let maxCount = TransportConfig.messageDedupMaxCount
+    private let maxCount = 1000
 
     /// Check if message is duplicate and add if not
     func isDuplicate(_ messageID: String) -> Bool {
@@ -84,3 +84,4 @@ final class MessageDeduplicator {
         }
     }
 }
+

bitchat/Utils/PeerDisplayNameResolver.swift

@@ -1,29 +0,0 @@
-import Foundation
-
-/// Resolves a stable display name for peers, adding a short suffix when collisions exist.
-struct PeerDisplayNameResolver {
-    /// Computes display names with a `#xxxx` suffix for connected peers when nickname collisions occur.
-    /// - Parameters:
-    ///   - peers: Array of tuples (id, nickname, isConnected).
-    ///   - selfNickname: The local user's current nickname, included in collision counts to suffix remotes matching it.
-    /// - Returns: Map of peerID -> displayName.
-    static func resolve(_ peers: [(id: String, nickname: String, isConnected: Bool)], selfNickname: String) -> [String: String] {
-        // Count collisions among connected peers and include our own nickname
-        var counts: [String: Int] = [:]
-        for p in peers where p.isConnected {
-            counts[p.nickname, default: 0] += 1
-        }
-        counts[selfNickname, default: 0] += 1
-
-        var result: [String: String] = [:]
-        for p in peers {
-            var name = p.nickname
-            if p.isConnected, (counts[p.nickname] ?? 0) > 1 {
-                name += "#" + String(p.id.prefix(4))
-            }
-            result[p.id] = name
-        }
-        return result
-    }
-}
-

bitchat/Views/ContentView.swift

@@ -13,9 +13,19 @@ import UIKit
 
 // MARK: - Supporting Types
 
-//
+// Pre-computed peer data for performance
+struct PeerDisplayData: Identifiable {
+    let id: String
+    let displayName: String
+    let isFavorite: Bool
+    let isMe: Bool
+    let hasUnreadMessages: Bool
+    let encryptionStatus: EncryptionStatus
+    let connectionState: BitchatPeer.ConnectionState
+    let isMutualFavorite: Bool
+}
 
-//
+// (Link previews removed; URLs are now clickable inline)
 
 // MARK: - Main Content View
 
@@ -23,7 +33,9 @@ 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
@@ -100,14 +112,14 @@ struct ContentView: View {
                                 .onEnded { value in
                                     let translation = value.translation.width.isNaN ? 0 : value.translation.width
                                     let velocity = value.velocity.width.isNaN ? 0 : value.velocity.width
-                                    if translation > TransportConfig.uiBackSwipeTranslationLarge || (translation > TransportConfig.uiBackSwipeTranslationSmall && velocity > TransportConfig.uiBackSwipeVelocityThreshold) {
+                                    if translation > 50 || (translation > 30 && velocity > 300) {
-                                        withAnimation(.easeOut(duration: TransportConfig.uiAnimationMediumSeconds)) {
+                                        withAnimation(.easeOut(duration: 0.2)) {
                                             showPrivateChat = false
                                             backSwipeOffset = 0
                                             viewModel.endPrivateChat()
                                         }
                                     } else {
-                                        withAnimation(.easeOut(duration: TransportConfig.uiAnimationShortSeconds)) {
+                                        withAnimation(.easeOut(duration: 0.15)) {
                                             backSwipeOffset = 0
                                         }
                                     }
@@ -121,7 +133,7 @@ struct ContentView: View {
                     Color.clear
                         .contentShape(Rectangle())
                         .onTapGesture {
-            withAnimation(.easeInOut(duration: TransportConfig.uiAnimationMediumSeconds)) {
+                            withAnimation(.easeInOut(duration: 0.2)) {
                                 showSidebar = false
                                 sidebarDragOffset = 0
                             }
@@ -151,14 +163,14 @@ struct ContentView: View {
                     let width = geometry.size.width.isNaN ? 0 : max(0, geometry.size.width)
                     return showSidebar ? -dragOffset : width - dragOffset
                 }())
-                .animation(.easeInOut(duration: TransportConfig.uiAnimationSidebarSeconds), value: showSidebar)
+                .animation(.easeInOut(duration: 0.25), value: showSidebar)
             }
         }
         #if os(macOS)
         .frame(minWidth: 600, minHeight: 400)
         #endif
         .onChange(of: viewModel.selectedPrivateChatPeer) { newValue in
-            withAnimation(.easeInOut(duration: TransportConfig.uiAnimationMediumSeconds)) {
+            withAnimation(.easeInOut(duration: 0.2)) {
                 showPrivateChat = newValue != nil
             }
         }
@@ -188,6 +200,7 @@ 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)
@@ -195,7 +208,10 @@ struct ContentView: View {
                     } else {
                         viewModel.startPrivateChat(with: peerID)
                     }
-                    withAnimation(.easeInOut(duration: TransportConfig.uiAnimationMediumSeconds)) {
+                    #else
+                    viewModel.startPrivateChat(with: peerID)
+                    #endif
+                    withAnimation(.easeInOut(duration: 0.2)) {
                         showSidebar = false
                         sidebarDragOffset = 0
                     }
@@ -216,6 +232,7 @@ 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 {
@@ -223,6 +240,9 @@ 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) {}
@@ -264,12 +284,13 @@ struct ContentView: View {
                     
                     // Implement windowing with adjustable window count per chat
                     let currentWindowCount: Int = {
-                        if let peer = privatePeer { return windowCountPrivate[peer] ?? TransportConfig.uiWindowInitialCountPrivate }
+                        if let peer = privatePeer { return windowCountPrivate[peer] ?? 300 }
                         return windowCountPublic
                     }()
                     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 {
@@ -277,6 +298,12 @@ 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
@@ -296,11 +323,11 @@ struct ContentView: View {
                                     let cashuTokens = message.content.extractCashuTokens()
                                     let lightningLinks = message.content.extractLightningLinks()
                                     HStack(alignment: .top, spacing: 0) {
-                                        let isLong = (message.content.count > TransportConfig.uiLongMessageLengthThreshold || message.content.hasVeryLongToken(threshold: TransportConfig.uiVeryLongTokenThreshold)) && cashuTokens.isEmpty
+                                        let isLong = (message.content.count > 2000 || message.content.hasVeryLongToken(threshold: 512)) && cashuTokens.isEmpty
                                         let isExpanded = expandedMessageIDs.contains(message.id)
                                         Text(viewModel.formatMessageAsText(message, colorScheme: colorScheme))
                                             .fixedSize(horizontal: false, vertical: true)
-                                            .lineLimit(isLong && !isExpanded ? TransportConfig.uiLongMessageLineLimit : nil)
+                                            .lineLimit(isLong && !isExpanded ? 30 : nil)
                                             .frame(maxWidth: .infinity, alignment: .leading)
                                         
                                         // Delivery status indicator for private messages
@@ -312,7 +339,7 @@ struct ContentView: View {
                                     }
                                     
                                     // Expand/Collapse for very long messages
-                                    if (message.content.count > TransportConfig.uiLongMessageLengthThreshold || message.content.hasVeryLongToken(threshold: TransportConfig.uiVeryLongTokenThreshold)) && cashuTokens.isEmpty {
+                                    if (message.content.count > 2000 || message.content.hasVeryLongToken(threshold: 512)) && cashuTokens.isEmpty {
                                         let isExpanded = expandedMessageIDs.contains(message.id)
                                         Button(isExpanded ? "show less" : "show more") {
                                             if isExpanded { expandedMessageIDs.remove(message.id) }
@@ -371,7 +398,8 @@ 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 = TransportConfig.uiWindowStepCount
+                                let step = 200
+                                #if os(iOS)
                                 let contextKey: String = {
                                     if let peer = privatePeer { return "dm:\(peer)" }
                                     switch locationManager.selectedChannel {
@@ -379,9 +407,15 @@ 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] ?? TransportConfig.uiWindowInitialCountPrivate
+                                    let current = windowCountPrivate[peer] ?? 300
                                     let newCount = min(messages.count, current + step)
                                     if newCount != current {
                                         windowCountPrivate[peer] = newCount
@@ -447,6 +481,7 @@ 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
@@ -461,6 +496,7 @@ 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
@@ -473,12 +509,16 @@ 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
                 }()
@@ -493,12 +533,16 @@ 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
                     }()
@@ -512,12 +556,16 @@ 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
                 }()
@@ -540,15 +588,19 @@ struct ContentView: View {
                     }
                     // Throttle scroll animations to prevent excessive UI updates
                     let now = Date()
-                    if now.timeIntervalSince(lastScrollTime) > TransportConfig.uiScrollThrottleSeconds {
+                    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 {
@@ -557,14 +609,18 @@ struct ContentView: View {
                     } else {
                         // Schedule a delayed scroll
                         scrollThrottleTimer?.invalidate()
-                        scrollThrottleTimer = Timer.scheduledTimer(withTimeInterval: TransportConfig.uiScrollThrottleSeconds, repeats: false) { _ in
+                        scrollThrottleTimer = Timer.scheduledTimer(withTimeInterval: 0.5, repeats: false) { _ in
                             lastScrollTime = Date()
-                        let contextKey: String = {
+                            #if os(iOS)
-                            switch locationManager.selectedChannel {
+                            let contextKey: String = {
-                            case .mesh: return "mesh"
+                                switch locationManager.selectedChannel {
-                            case .location(let ch): return "geo:\(ch.geohash)"
+                                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 {
@@ -589,7 +645,7 @@ struct ContentView: View {
                     }
                     // Same throttling for private chats
                     let now = Date()
-                    if now.timeIntervalSince(lastScrollTime) > TransportConfig.uiScrollThrottleSeconds {
+                    if now.timeIntervalSince(lastScrollTime) > 0.5 {
                         lastScrollTime = now
                         let contextKey = "dm:\(peerID)"
                         let count = windowCountPrivate[peerID] ?? 300
@@ -599,7 +655,7 @@ struct ContentView: View {
                         }
                     } else {
                         scrollThrottleTimer?.invalidate()
-                        scrollThrottleTimer = Timer.scheduledTimer(withTimeInterval: TransportConfig.uiScrollThrottleSeconds, repeats: false) { _ in
+                        scrollThrottleTimer = Timer.scheduledTimer(withTimeInterval: 0.5, repeats: false) { _ in
                             lastScrollTime = Date()
                             let contextKey = "dm:\(peerID)"
                             let count = windowCountPrivate[peerID] ?? 300
@@ -611,6 +667,7 @@ 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 }
@@ -619,7 +676,7 @@ struct ContentView: View {
                     break
                 case .location(let ch):
                     // Reset window size
-                    windowCountPublic = TransportConfig.uiWindowInitialCountPublic
+                    windowCountPublic = 300
                     let contextKey = "geo:\(ch.geohash)"
                     let last = viewModel.messages.suffix(windowCountPublic).last?.id
                     let target = last.map { "\(contextKey)|\($0)" }
@@ -629,17 +686,18 @@ struct ContentView: View {
                     }
                 }
             }
+            #endif
             .onAppear {
                 // Also check when view appears
                 if let peerID = privatePeer {
                     // Try multiple times to ensure read receipts are sent
                     viewModel.markPrivateMessagesAsRead(from: peerID)
                     
-                    DispatchQueue.main.asyncAfter(deadline: .now() + TransportConfig.uiReadReceiptRetryShortSeconds) {
+                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
                         viewModel.markPrivateMessagesAsRead(from: peerID)
                     }
                     
-                    DispatchQueue.main.asyncAfter(deadline: .now() + TransportConfig.uiReadReceiptRetryLongSeconds) {
+                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) {
                         viewModel.markPrivateMessagesAsRead(from: peerID)
                     }
                 }
@@ -698,22 +756,18 @@ struct ContentView: View {
             if showCommandSuggestions && !commandSuggestions.isEmpty {
                 VStack(alignment: .leading, spacing: 0) {
                     // Define commands with aliases and syntax
-                    let baseInfo: [(commands: [String], syntax: String?, description: String)] = [
+                    let commandInfo: [(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
@@ -788,25 +842,18 @@ struct ContentView: View {
                     // Check for command autocomplete (instant, no debounce needed)
                     if newValue.hasPrefix("/") && newValue.count >= 1 {
                         // Build context-aware command list
-                        let isGeoPublic: Bool = {
+                        let commandDescriptions = [
-                            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()
                         
@@ -859,7 +906,7 @@ struct ContentView: View {
         }
         .onAppear {
             // Delay keyboard focus to avoid iOS constraint warnings
-            DispatchQueue.main.asyncAfter(deadline: .now() + TransportConfig.uiReadReceiptRetryShortSeconds) {
+            DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
                 isTextFieldFocused = true
             }
         }
@@ -888,7 +935,8 @@ struct ContentView: View {
                         .font(.system(size: 16, weight: .bold, design: .monospaced))
                         .foregroundColor(textColor)
                     Spacer()
-                    // Show QR in mesh on all platforms
+                    // Show QR only on mesh channel's peer list
+                    #if os(iOS)
                     if case .mesh = locationManager.selectedChannel {
                         Button(action: { showVerifySheet = true }) {
                             Image(systemName: "qrcode")
@@ -897,6 +945,14 @@ 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)
@@ -909,34 +965,53 @@ struct ContentView: View {
                 VStack(alignment: .leading, spacing: 6) {
                     // People section
                     VStack(alignment: .leading, spacing: 4) {
-                if case .location = locationManager.selectedChannel {
+                        #if os(iOS)
-                    GeohashPeopleList(viewModel: viewModel,
+                        if case .location = locationManager.selectedChannel {
-                                      textColor: textColor,
+                            GeohashPeopleList(viewModel: viewModel,
-                                      secondaryTextColor: secondaryTextColor,
+                                              textColor: textColor,
-                                      onTapPerson: {
+                                              secondaryTextColor: secondaryTextColor,
-                                          withAnimation(.easeInOut(duration: 0.2)) {
+                                              onTapPerson: {
-                                              showSidebar = false
+                                                  withAnimation(.easeInOut(duration: 0.2)) {
-                                              sidebarDragOffset = 0
+                                                      showSidebar = false
-                                          }
+                                                      sidebarDragOffset = 0
-                                      })
+                                                  }
-                } else {
+                                              })
-                    MeshPeerList(viewModel: viewModel,
+                        } else {
-                                 textColor: textColor,
+                            MeshPeerList(viewModel: viewModel,
-                                 secondaryTextColor: secondaryTextColor,
+                                         textColor: textColor,
-                                 onTapPeer: { peerID in
+                                         secondaryTextColor: secondaryTextColor,
-                                     viewModel.startPrivateChat(with: peerID)
+                                         onTapPeer: { peerID in
-                                     withAnimation(.easeInOut(duration: TransportConfig.uiAnimationMediumSeconds)) {
+                                             viewModel.startPrivateChat(with: peerID)
-                                         showSidebar = false
+                                             withAnimation(.easeInOut(duration: 0.2)) {
-                                         sidebarDragOffset = 0
+                                                 showSidebar = false
-                                     }
+                                                 sidebarDragOffset = 0
-                                 },
+                                             }
-                                 onToggleFavorite: { peerID in
+                                         },
-                                     viewModel.toggleFavorite(peerID: peerID)
+                                         onToggleFavorite: { peerID in
-                                 },
+                                             viewModel.toggleFavorite(peerID: peerID)
-                                 onShowFingerprint: { peerID in
+                                         },
-                                     viewModel.showFingerprint(for: peerID)
+                                         onShowFingerprint: { peerID in
-                                 })
+                                             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())
@@ -973,7 +1048,7 @@ struct ContentView: View {
                 .onEnded { value in
                     let translation = value.translation.width.isNaN ? 0 : value.translation.width
                     let velocity = value.velocity.width.isNaN ? 0 : value.velocity.width
-                    withAnimation(.easeOut(duration: TransportConfig.uiAnimationMediumSeconds)) {
+                    withAnimation(.easeOut(duration: 0.2)) {
                         if !showSidebar {
                             if translation < -100 || (translation < -50 && velocity < -500) {
                                 showSidebar = true
@@ -1026,24 +1101,29 @@ struct ContentView: View {
         return (name, "")
     }
     
-    // Compute channel-aware people count and color for toolbar (cross-platform)
+    #if os(iOS)
+    // 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:
             let counts = viewModel.allPeers.reduce(into: (others: 0, mesh: 0)) { counts, peer in
                 guard peer.id != viewModel.meshService.myPeerID else { return }
-                if peer.isConnected { counts.mesh += 1; counts.others += 1 }
+                let isMeshConnected = peer.isConnected
-                else if peer.isReachable { counts.others += 1 }
+                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 {
@@ -1090,6 +1170,7 @@ 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 = {
@@ -1098,11 +1179,24 @@ 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 (now shown on iOS and macOS)
+                // Unread indicator
+                #if os(iOS)
                 if viewModel.hasAnyUnreadMessages {
                     Button(action: { viewModel.openMostRelevantPrivateChat() }) {
                         Image(systemName: "envelope.fill")
@@ -1137,6 +1231,7 @@ struct ContentView: View {
                         .accessibilityLabel("location channels")
                 }
                 .buttonStyle(.plain)
+                #endif
 
                 HStack(spacing: 4) {
                     // People icon with count
@@ -1152,7 +1247,7 @@ struct ContentView: View {
                 // QR moved to the PEOPLE header in the sidebar when on mesh channel
             }
             .onTapGesture {
-                withAnimation(.easeInOut(duration: TransportConfig.uiAnimationMediumSeconds)) {
+                withAnimation(.easeInOut(duration: 0.2)) {
                     showSidebar.toggle()
                     sidebarDragOffset = 0
                 }
@@ -1164,9 +1259,11 @@ struct ContentView: View {
         }
         .frame(height: 44)
         .padding(.horizontal, 12)
+        #if os(iOS)
         .sheet(isPresented: $showLocationChannelsSheet) {
             LocationChannelsSheet(isPresented: $showLocationChannelsSheet)
         }
+        #endif
         .background(backgroundColor.opacity(0.95))
     }
     
@@ -1180,11 +1277,20 @@ struct ContentView: View {
     
     @ViewBuilder
     private func privateHeaderContent(for privatePeerID: String) -> some View {
-        // Prefer short (mesh) ID whenever available for encryption/session status; keep stable key for display resolution only.
+        // Prefer short (mesh) ID when mesh-connected (radio). Only use full Noise key when not connected (globe).
         let headerPeerID: String = {
-            if privatePeerID.count == 64 {
+            if privatePeerID.count == 16 {
-                // Map stable Noise key to short ID if we know it (even if not directly connected)
+                let isMeshConnected = viewModel.meshService.isPeerConnected(privatePeerID) || viewModel.connectedPeers.contains(privatePeerID)
-                if let short = viewModel.getShortIDForNoiseKey(privatePeerID) { return short }
+                if !isMeshConnected, let stable = viewModel.getNoiseKeyForShortID(privatePeerID) {
+                    return stable
+                }
+            } else if privatePeerID.count == 64 {
+                // If we have a full Noise key and a corresponding short ID is currently mesh-connected, prefer short ID
+                if let short = viewModel.getShortIDForNoiseKey(privatePeerID) {
+                    if viewModel.meshService.isPeerConnected(short) || viewModel.connectedPeers.contains(short) {
+                        return short
+                    }
+                }
             }
             return privatePeerID
         }()
@@ -1193,35 +1299,18 @@ 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
             }
-            // Try mesh/unified peer display
+            return peer?.displayName ?? 
-            if let name = peer?.displayName { return name }
+                   viewModel.meshService.peerNickname(peerID: headerPeerID) ??
-            // Try direct mesh nickname (connected-only)
+                   FavoritesPersistenceService.shared.getFavoriteStatus(for: Data(hexString: headerPeerID) ?? Data())?.peerNickname ?? 
-            if let name = viewModel.meshService.peerNickname(peerID: headerPeerID) { return name }
+                   "Unknown"
-            // Try favorite nickname by stable Noise key
-            if let fav = FavoritesPersistenceService.shared.getFavoriteStatus(for: Data(hexString: headerPeerID) ?? Data()),
-               !fav.peerNickname.isEmpty { return fav.peerNickname }
-            // Fallback: resolve from persisted social identity via fingerprint mapping
-            if headerPeerID.count == 16 {
-                let candidates = SecureIdentityStateManager.shared.getCryptoIdentitiesByPeerIDPrefix(headerPeerID)
-                if let id = candidates.first,
-                   let social = SecureIdentityStateManager.shared.getSocialIdentity(for: id.fingerprint) {
-                    if let pet = social.localPetname, !pet.isEmpty { return pet }
-                    if !social.claimedNickname.isEmpty { return social.claimedNickname }
-                }
-            } else if headerPeerID.count == 64, let keyData = Data(hexString: headerPeerID) {
-                let fp = keyData.sha256Fingerprint()
-                if let social = SecureIdentityStateManager.shared.getSocialIdentity(for: fp) {
-                    if let pet = social.localPetname, !pet.isEmpty { return pet }
-                    if !social.claimedNickname.isEmpty { return social.claimedNickname }
-                }
-            }
-            return "Unknown"
         }()
         let isNostrAvailable: Bool = {
             guard let connectionState = peer?.connectionState else { 
@@ -1256,12 +1345,6 @@ struct ContentView: View {
                                         .font(.system(size: 14))
                                         .foregroundColor(textColor)
                                         .accessibilityLabel("Connected via mesh")
-                                case .meshReachable:
-                                    // point.3 filled icon for reachable via mesh (not directly connected)
-                                    Image(systemName: "point.3.filled.connected.trianglepath.dotted")
-                                        .font(.system(size: 14))
-                                        .foregroundColor(textColor)
-                                        .accessibilityLabel("Reachable via mesh")
                                 case .nostrAvailable:
                                     // Purple globe for Nostr
                                     Image(systemName: "globe")
@@ -1272,12 +1355,6 @@ struct ContentView: View {
                                     // Should not happen for PM header, but handle gracefully
                                     EmptyView()
                                 }
-                            } else if viewModel.meshService.isPeerReachable(headerPeerID) {
-                                // Fallback: reachable via mesh but not in current peer list
-                                Image(systemName: "point.3.filled.connected.trianglepath.dotted")
-                                    .font(.system(size: 14))
-                                    .foregroundColor(textColor)
-                                    .accessibilityLabel("Reachable via mesh")
                             } else if isNostrAvailable {
                                 // Fallback to Nostr if peer not in list but is mutual favorite
                                 Image(systemName: "globe")
@@ -1296,14 +1373,7 @@ struct ContentView: View {
                                 .font(.system(size: 16, weight: .medium, design: .monospaced))
                                 .foregroundColor(textColor)                            // Dynamic encryption status icon (hide for geohash DMs)
                             if !privatePeerID.hasPrefix("nostr_") {
-                                // Use short peer ID if available for encryption status (sessions keyed by short ID)
+                                let encryptionStatus = viewModel.getEncryptionStatus(for: headerPeerID)
-                                let statusPeerID: String = {
-                                    if privatePeerID.count == 64, let short = viewModel.getShortIDForNoiseKey(privatePeerID) {
-                                        return short
-                                    }
-                                    return headerPeerID
-                                }()
-                                let encryptionStatus = viewModel.getEncryptionStatus(for: statusPeerID)
                                 if let icon = encryptionStatus.icon {
                                     Image(systemName: icon)
                                         .font(.system(size: 14))
@@ -1322,7 +1392,7 @@ struct ContentView: View {
                     // Left and right buttons positioned with HStack
                     HStack {
                         Button(action: {
-                            withAnimation(.easeInOut(duration: TransportConfig.uiAnimationMediumSeconds)) {
+                            withAnimation(.easeInOut(duration: 0.2)) {
                                 showPrivateChat = false
                                 viewModel.endPrivateChat()
                             }
@@ -1400,7 +1470,23 @@ private struct PaymentChipView: View {
     }
 }
 
-//
+// Helper view for rendering message content (plain, no hashtag/mention formatting)
+struct MessageContentView: View {
+    let message: BitchatMessage
+    let viewModel: ChatViewModel
+    let colorScheme: ColorScheme
+    let isMentioned: Bool
+    
+    var body: some View {
+        Text(message.content)
+            .font(.system(size: 14, design: .monospaced))
+            .fontWeight(isMentioned ? .bold : .regular)
+    }
+    
+    // MARK: - Helper Methods
+    
+    // buildTextSegments removed: content is rendered plain.
+}
 
 // Delivery status indicator view
 struct DeliveryStatusView: View {

bitchat/Views/FingerprintView.swift

@@ -41,27 +41,9 @@ struct FingerprintView: View {
             .padding()
             
             VStack(alignment: .leading, spacing: 16) {
-                // Prefer short mesh ID for session/encryption status
+                // Peer info
-                let statusPeerID: String = {
+                let peerNickname = viewModel.meshService.peerNickname(peerID: peerID) ?? "Unknown"
-                    if peerID.count == 64, let short = viewModel.getShortIDForNoiseKey(peerID) { return short }
+                let encryptionStatus = viewModel.getEncryptionStatus(for: peerID)
-                    return peerID
-                }()
-                // Resolve a friendly name
-                let peerNickname: String = {
-                    if let p = viewModel.getPeer(byID: statusPeerID) { return p.displayName }
-                    if let name = viewModel.meshService.peerNickname(peerID: statusPeerID) { return name }
-                    if peerID.count == 64, let data = Data(hexString: peerID) {
-                        if let fav = FavoritesPersistenceService.shared.getFavoriteStatus(for: data), !fav.peerNickname.isEmpty { return fav.peerNickname }
-                        let fp = data.sha256Fingerprint()
-                        if let social = SecureIdentityStateManager.shared.getSocialIdentity(for: fp) {
-                            if let pet = social.localPetname, !pet.isEmpty { return pet }
-                            if !social.claimedNickname.isEmpty { return social.claimedNickname }
-                        }
-                    }
-                    return "Unknown"
-                }()
-                // Accurate encryption state based on short ID session
-                let encryptionStatus = viewModel.getEncryptionStatus(for: statusPeerID)
                 
                 HStack {
                     if let icon = encryptionStatus.icon {
@@ -92,7 +74,7 @@ struct FingerprintView: View {
                         .font(.system(size: 12, weight: .bold, design: .monospaced))
                         .foregroundColor(textColor.opacity(0.7))
                     
-                    if let fingerprint = viewModel.getFingerprint(for: statusPeerID) {
+                    if let fingerprint = viewModel.getFingerprint(for: peerID) {
                         Text(formatFingerprint(fingerprint))
                             .font(.system(size: 14, design: .monospaced))
                             .foregroundColor(textColor)

bitchat/Views/GeohashPeopleList.swift

@@ -1,5 +1,6 @@
 import SwiftUI
 
+#if os(iOS)
 struct GeohashPeopleList: View {
     @ObservedObject var viewModel: ChatViewModel
     let textColor: Color
@@ -28,12 +29,16 @@ 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) }
@@ -47,7 +52,11 @@ 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
@@ -118,8 +127,10 @@ 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))
@@ -131,3 +142,4 @@ private func splitSuffix(from name: String) -> (String, String) {
     }
     return (name, "")
 }
+#endif

bitchat/Views/LocationChannelsSheet.swift

@@ -1,10 +1,7 @@
 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
@@ -40,7 +37,11 @@ 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") { openSystemLocationSettings() }
+                            Button("open settings") {
+                                if let url = URL(string: UIApplication.openSettingsURLString) {
+                                    UIApplication.shared.open(url)
+                                }
+                            }
                             .buttonStyle(.plain)
                         }
                     case LocationChannelManager.PermissionState.authorized:
@@ -53,7 +54,6 @@ struct LocationChannelsSheet: View {
             }
             .padding(.horizontal, 16)
             .padding(.vertical, 12)
-            #if os(iOS)
             .navigationBarTitleDisplayMode(.inline)
             .toolbar {
                 ToolbarItem(placement: .navigationBarTrailing) {
@@ -61,21 +61,8 @@ 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 {
@@ -83,17 +70,24 @@ struct LocationChannelsSheet: View {
             }
             // Begin periodic refresh while sheet is open
             manager.beginLiveRefresh()
-            // Geohash sampling is now managed by ChatViewModel globally
+            // Begin multi-channel sampling for counts
+            let ghs = manager.availableChannels.map { $0.geohash }
+            viewModel.beginGeohashSampling(for: ghs)
         }
         .onDisappear {
             manager.endLiveRefresh()
+            viewModel.endGeohashSampling()
         }
         .onChange(of: manager.permissionState) { newValue in
             if newValue == LocationChannelManager.PermissionState.authorized {
                 manager.refreshChannels()
             }
         }
-        .onChange(of: manager.availableChannels) { _ in }
+        .onChange(of: manager.availableChannels) { newValue in
+            // Keep sampling list in sync with available channels as they refresh live
+            let ghs = newValue.map { $0.geohash }
+            viewModel.beginGeohashSampling(for: ghs)
+        }
     }
 
     private var channelList: some View {
@@ -134,12 +128,10 @@ struct LocationChannelsSheet: View {
                         .font(.system(size: 14, design: .monospaced))
                         .foregroundColor(.secondary)
                     TextField("geohash", text: $customGeohash)
-                        #if os(iOS)
                         .textInputAutocapitalization(.never)
                         .autocorrectionDisabled(true)
-                        .keyboardType(.asciiCapable)
-                        #endif
                         .font(.system(size: 14, design: .monospaced))
+                        .keyboardType(.asciiCapable)
                         .onChange(of: customGeohash) { newValue in
                             // Allow only geohash base32 characters, strip '#', limit length
                             let allowed = Set("0123456789bcdefghjkmnpqrstuvwxyz")
@@ -191,7 +183,9 @@ struct LocationChannelsSheet: View {
             // Footer action inside the list
             if manager.permissionState == LocationChannelManager.PermissionState.authorized {
                 Button(action: {
-                    openSystemLocationSettings()
+                    if let url = URL(string: UIApplication.openSettingsURLString) {
+                        UIApplication.shared.open(url)
+                    }
                 }) {
                     Text("remove location access")
                         .font(.system(size: 12, design: .monospaced))
@@ -282,10 +276,9 @@ struct LocationChannelsSheet: View {
     }
 
     private func meshCount() -> Int {
-        // Count mesh-connected OR mesh-reachable peers (exclude self)
         let myID = viewModel.meshService.myPeerID
         return viewModel.allPeers.reduce(0) { acc, peer in
-            if peer.id != myID && (peer.isConnected || peer.isReachable) { return acc + 1 }
+            if peer.id != myID && peer.isConnected { return acc + 1 }
             return acc
         }
     }
@@ -350,7 +343,7 @@ extension LocationChannelsSheet {
         }()
 
         let usesMetric: Bool = {
-            if #available(iOS 16.0, macOS 13.0, *) {
+            if #available(iOS 16.0, *) {
                 return Locale.current.measurementSystem == .metric
             } else {
                 return Locale.current.usesMetricSystem
@@ -373,7 +366,7 @@ extension LocationChannelsSheet {
 
     private func bluetoothRangeString() -> String {
         let usesMetric: Bool = {
-            if #available(iOS 16.0, macOS 13.0, *) {
+            if #available(iOS 16.0, *) {
                 return Locale.current.measurementSystem == .metric
             } else {
                 return Locale.current.usesMetricSystem
@@ -397,17 +390,4 @@ extension LocationChannelsSheet {
     }
 }
 
-// MARK: - Open Settings helper
+#endif
-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/Views/MeshPeerList.swift

@@ -52,11 +52,6 @@ struct MeshPeerList: View {
                             Image(systemName: "antenna.radiowaves.left.and.right")
                                 .font(.system(size: 10))
                                 .foregroundColor(baseColor)
-                        } else if peer.isReachable {
-                            // Mesh-reachable (relayed): point.3 icon
-                            Image(systemName: "point.3.filled.connected.trianglepath.dotted")
-                                .font(.system(size: 10))
-                                .foregroundColor(baseColor)
                         } else if peer.isMutualFavorite {
                             // Mutual favorite reachable via Nostr: globe icon (purple)
                             Image(systemName: "globe")
@@ -115,14 +110,6 @@ struct MeshPeerList: View {
 
                         Spacer()
 
-                        // Unread message indicator for this peer
-                        if !isMe, item.hasUnread {
-                            Image(systemName: "envelope.fill")
-                                .font(.system(size: 10))
-                                .foregroundColor(.orange)
-                                .help("New messages")
-                        }
-
                         if !isMe {
                             Button(action: { onToggleFavorite(peer.id) }) {
                                 Image(systemName: (peer.favoriteStatus?.isFavorite ?? false) ? "star.fill" : "star")

bitchat/bitchat-macOS.entitlements

@@ -10,9 +10,7 @@
 	</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>
-</plist>
+</plist>

bitchatShareExtension/ShareViewController.swift

@@ -7,160 +7,160 @@
 //
 
 import UIKit
+import Social
 import UniformTypeIdentifiers
 
-/// Modern share extension using UIKit + UTTypes.
+class ShareViewController: SLComposeServiceViewController {
-/// Avoids deprecated Social framework and SLComposeServiceViewController.
+    
-final class ShareViewController: UIViewController {
-    private let statusLabel: UILabel = {
-        let l = UILabel()
-        l.translatesAutoresizingMaskIntoConstraints = false
-        l.font = .systemFont(ofSize: 15, weight: .semibold)
-        l.textAlignment = .center
-        l.numberOfLines = 0
-        l.textColor = .label
-        return l
-    }()
-
     override func viewDidLoad() {
         super.viewDidLoad()
-        view.backgroundColor = .systemBackground
+        // Set placeholder text
-        view.addSubview(statusLabel)
+        placeholder = "Share to bitchat..."
-        NSLayoutConstraint.activate([
+        // Set character limit (optional)
-            statusLabel.centerXAnchor.constraint(equalTo: view.centerXAnchor),
+        charactersRemaining = 500
-            statusLabel.centerYAnchor.constraint(equalTo: view.centerYAnchor),
-            statusLabel.leadingAnchor.constraint(greaterThanOrEqualTo: view.layoutMarginsGuide.leadingAnchor),
-            statusLabel.trailingAnchor.constraint(lessThanOrEqualTo: view.layoutMarginsGuide.trailingAnchor)
-        ])
-
-        processShare()
     }
-
+    
-    // MARK: - Processing
+    override func isContentValid() -> Bool {
-    private func processShare() {
+        // Validate that we have text content or attachments
-        guard let ctx = self.extensionContext,
+        if let text = contentText, !text.isEmpty {
-              let item = ctx.inputItems.first as? NSExtensionItem else {
+            return true
-            finishWithMessage("Nothing to share")
+        }
+        // Check if we have attachments
+        if let item = extensionContext?.inputItems.first as? NSExtensionItem,
+           let attachments = item.attachments,
+           !attachments.isEmpty {
+            return true
+        }
+        return false
+    }
+    
+    override func didSelectPost() {
+        guard let extensionItem = extensionContext?.inputItems.first as? NSExtensionItem else {
+            self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
             return
         }
-
+        
-        // Try content from attributed text first (Safari often passes URL here)
+        
-        if let url = detectURL(in: item.attributedContentText?.string ?? "") {
+        // Get the page title from the compose view or extension item
-            saveAndFinish(url: url, title: item.attributedTitle?.string)
+        let pageTitle = self.contentText ?? extensionItem.attributedContentText?.string ?? extensionItem.attributedTitle?.string
-            return
+        
-        }
+        var foundURL: URL? = nil
-
+        let group = DispatchGroup()
-        // Scan attachments for URL/text
+        
-        let providers = item.attachments ?? []
+        // IMPORTANT: Check if the NSExtensionItem itself has a URL
-        if providers.isEmpty {
+        // Safari often provides the URL as an attributedString with a link
-            // Fallback: use attributed title as plain text
+        if let attributedText = extensionItem.attributedContentText {
-            if let title = item.attributedTitle?.string, !title.isEmpty {
+            let text = attributedText.string
-                saveAndFinish(text: title)
+            let detector = try? NSDataDetector(types: NSTextCheckingResult.CheckingType.link.rawValue)
-            } else {
+            let matches = detector?.matches(in: text, options: [], range: NSRange(location: 0, length: text.utf16.count))
-                finishWithMessage("No shareable content")
+            if let firstMatch = matches?.first, let url = firstMatch.url {
+                foundURL = url
             }
-            return
         }
-
+        
-        // Load URL or text asynchronously
+        // Only check attachments if we haven't found a URL yet
-        loadFirstURL(from: providers) { [weak self] url in
+        if foundURL == nil {
-            guard let self = self else { return }
+            for (_, itemProvider) in (extensionItem.attachments ?? []).enumerated() {
-            if let url = url {
+                
-                self.saveAndFinish(url: url, title: item.attributedTitle?.string)
+                // Try multiple URL type identifiers that Safari might use
-            } else {
+                let urlTypes = [
-                self.loadFirstPlainText(from: providers) { text in
+                    UTType.url.identifier,
-                    if let t = text, !t.isEmpty {
+                    "public.url",
-                        // Treat as URL if parseable http(s), else plain text
+                    "public.file-url"
-                        if let u = URL(string: t), ["http","https"].contains(u.scheme?.lowercased() ?? "") {
+                ]
-                            self.saveAndFinish(url: u, title: item.attributedTitle?.string)
+                
-                        } else {
+                for urlType in urlTypes {
-                            self.saveAndFinish(text: t)
+                    if itemProvider.hasItemConformingToTypeIdentifier(urlType) {
+                        group.enter()
+                        itemProvider.loadItem(forTypeIdentifier: urlType, options: nil) { (item, error) in
+                            defer { group.leave() }
+                            
+                            if let url = item as? URL {
+                                foundURL = url
+                        } else if let data = item as? Data,
+                                  let urlString = String(data: data, encoding: .utf8),
+                                  let url = URL(string: urlString) {
+                            foundURL = url
+                        } else if let string = item as? String,
+                                  let url = URL(string: string) {
+                            foundURL = url
+                        }
+                    }
+                    break // Found a URL type, no need to check other types
+                }
+            }
+            
+            // Also check for plain text that might be a URL
+            if foundURL == nil && itemProvider.hasItemConformingToTypeIdentifier(UTType.plainText.identifier) {
+                group.enter()
+                itemProvider.loadItem(forTypeIdentifier: UTType.plainText.identifier, options: nil) { (item, error) in
+                    defer { group.leave() }
+                    
+                    if let text = item as? String {
+                        // Check if the text is actually a URL
+                        if let url = URL(string: text),
+                           (url.scheme == "http" || url.scheme == "https") {
+                            foundURL = url
                         }
-                    } else {
-                        self.finishWithMessage("No shareable content")
                     }
                 }
             }
         }
-    }
+        } // End of if foundURL == nil
-
+        
-    private func detectURL(in text: String) -> URL? {
+        // Process after all checks complete
-        guard !text.isEmpty else { return nil }
+        group.notify(queue: .main) { [weak self] in
-        let detector = try? NSDataDetector(types: NSTextCheckingResult.CheckingType.link.rawValue)
+            if let url = foundURL {
-        let range = NSRange(location: 0, length: (text as NSString).length)
+                // We have a URL! Create the JSON data
-        let match = detector?.matches(in: text, options: [], range: range).first
+                let urlData: [String: String] = [
-        return match?.url
+                    "url": url.absoluteString,
-    }
+                    "title": pageTitle ?? url.host ?? "Shared Link"
-
+                ]
-    private func loadFirstURL(from providers: [NSItemProvider], completion: @escaping (URL?) -> Void) {
+                
-        let identifiers = [UTType.url.identifier, "public.url", "public.file-url"]
+                
-        let grp = DispatchGroup()
+                if let jsonData = try? JSONSerialization.data(withJSONObject: urlData),
-        var found: URL?
+                   let jsonString = String(data: jsonData, encoding: .utf8) {
-
+                    self?.saveToSharedDefaults(content: jsonString, type: "url")
-        for p in providers where found == nil {
-            for id in identifiers where p.hasItemConformingToTypeIdentifier(id) {
-                grp.enter()
-                p.loadItem(forTypeIdentifier: id, options: nil) { item, _ in
-                    defer { grp.leave() }
-                    if let u = item as? URL { found = u; return }
-                    if let s = item as? String, let u = URL(string: s) { found = u; return }
-                    if let d = item as? Data, let s = String(data: d, encoding: .utf8), let u = URL(string: s) { found = u; return }
                 }
-                break
+            } else if let title = pageTitle, !title.isEmpty {
+                // No URL found, just share the text
+                self?.saveToSharedDefaults(content: title, type: "text")
             }
-        }
+            
-        grp.notify(queue: .main) { completion(found) }
+            self?.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
-    }
-
-    private func loadFirstPlainText(from providers: [NSItemProvider], completion: @escaping (String?) -> Void) {
-        let id = UTType.plainText.identifier
-        let grp = DispatchGroup()
-        var text: String?
-        for p in providers where p.hasItemConformingToTypeIdentifier(id) {
-            grp.enter()
-            p.loadItem(forTypeIdentifier: id, options: nil) { item, _ in
-                defer { grp.leave() }
-                if let s = item as? String { text = s }
-                else if let d = item as? Data, let s = String(data: d, encoding: .utf8) { text = s }
-            }
-            break
-        }
-        grp.notify(queue: .main) { completion(text) }
-    }
-
-    // MARK: - Save + Finish
-    private func saveAndFinish(url: URL, title: String?) {
-        let payload: [String: String] = [
-            "url": url.absoluteString,
-            "title": title ?? url.host ?? "Shared Link"
-        ]
-        if let json = try? JSONSerialization.data(withJSONObject: payload),
-           let s = String(data: json, encoding: .utf8) {
-            saveToSharedDefaults(content: s, type: "url")
-            finishWithMessage("✓ Shared link to bitchat")
-        } else {
-            finishWithMessage("Failed to encode link")
         }
     }
-
+    
-    private func saveAndFinish(text: String) {
+    override func configurationItems() -> [Any]! {
-        saveToSharedDefaults(content: text, type: "text")
+        // No configuration items needed
-        finishWithMessage("✓ Shared text to bitchat")
+        return []
     }
-
+    
+    // MARK: - Helper Methods
+    
     private func saveToSharedDefaults(content: String, type: String) {
-        guard let userDefaults = UserDefaults(suiteName: "group.chat.bitchat") else { return }
+        // Use app groups to share data between extension and main app
+        guard let userDefaults = UserDefaults(suiteName: "group.chat.bitchat") else {
+            return
+        }
+        
         userDefaults.set(content, forKey: "sharedContent")
         userDefaults.set(type, forKey: "sharedContentType")
         userDefaults.set(Date(), forKey: "sharedContentDate")
-        // No need to force synchronize; the system persists changes
+        userDefaults.synchronize()
+        
+        
+        // Force open the main app
+        self.openMainApp()
     }
-
+    
-    private func finishWithMessage(_ msg: String) {
+    private func openMainApp() {
-        statusLabel.text = msg
+        // Share extensions cannot directly open the containing app
-        // Complete shortly after showing status
+        // The app will check for shared content when it becomes active
-        DispatchQueue.main.asyncAfter(deadline: .now() + TransportConfig.uiShareExtensionDismissDelaySeconds) {
+        // Show success feedback to user
-            self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
+        DispatchQueue.main.async {
+            self.textView.text = "✓ Shared to bitchat"
+            self.textView.isEditable = false
         }
     }
-}
+}

bitchatTests/NostrProtocolTests.swift

@@ -21,10 +21,8 @@ final class NostrProtocolTests: XCTestCase {
         let sender = try NostrIdentity.generate()
         let recipient = try NostrIdentity.generate()
         
-        #if DEBUG
         print("Sender pubkey: \(sender.publicKeyHex)")
         print("Recipient pubkey: \(recipient.publicKeyHex)")
-        #endif
         
         // Create a test message
         let originalContent = "Hello from NIP-17 test!"
@@ -36,10 +34,8 @@ final class NostrProtocolTests: XCTestCase {
             senderIdentity: sender
         )
         
-        #if DEBUG
         print("Gift wrap created with ID: \(giftWrap.id)")
         print("Gift wrap pubkey: \(giftWrap.pubkey)")
-        #endif
         
         // Decrypt the gift wrap
         let (decryptedContent, senderPubkey, timestamp) = try NostrProtocol.decryptPrivateMessage(
@@ -56,9 +52,7 @@ final class NostrProtocolTests: XCTestCase {
         let timeDiff = abs(messageDate.timeIntervalSinceNow)
         XCTAssertLessThan(timeDiff, 60, "Message timestamp should be recent")
         
-        #if DEBUG
         print("✅ Successfully decrypted message: '\(decryptedContent)' from \(senderPubkey) at \(messageDate)")
-        #endif
     }
     
     func testGiftWrapUsesUniqueEphemeralKeys() throws {
@@ -81,10 +75,8 @@ final class NostrProtocolTests: XCTestCase {
         
         // Gift wrap pubkeys should be different (unique ephemeral keys)
         XCTAssertNotEqual(message1.pubkey, message2.pubkey)
-        #if DEBUG
         print("Message 1 gift wrap pubkey: \(message1.pubkey)")
         print("Message 2 gift wrap pubkey: \(message2.pubkey)")
-        #endif
         
         // Both should decrypt successfully
         let (content1, _, _) = try NostrProtocol.decryptPrivateMessage(
@@ -117,9 +109,7 @@ final class NostrProtocolTests: XCTestCase {
             giftWrap: giftWrap,
             recipientIdentity: wrongRecipient
         )) { error in
-            #if DEBUG
             print("Expected error when decrypting with wrong key: \(error)")
-            #endif
         }
     }
 

bitchatTests/TestUtilities/LegacyTestProtocolTypes.swift

@@ -0,0 +1,45 @@
+//
+// LegacyTestProtocolTypes.swift
+// bitchatTests
+//
+// Minimal legacy protocol types used only by tests to simulate old flows.
+// These are not part of production code anymore.
+
+import Foundation
+
+struct ProtocolNack {
+    let originalPacketID: String
+    let nackID: String
+    let senderID: String
+    let receiverID: String
+    let packetType: UInt8
+    let reason: String
+    let errorCode: UInt8
+    
+    enum ErrorCode: UInt8 {
+        case unknown = 0
+        case decryptionFailed = 2
+    }
+    
+    init(originalPacketID: String, senderID: String, receiverID: String, packetType: UInt8, reason: String, errorCode: ErrorCode = .unknown) {
+        self.originalPacketID = originalPacketID
+        self.nackID = UUID().uuidString
+        self.senderID = senderID
+        self.receiverID = receiverID
+        self.packetType = packetType
+        self.reason = reason
+        self.errorCode = errorCode.rawValue
+    }
+    
+    func toBinaryData() -> Data {
+        // Tests don't parse the payload; return a compact encoding for completeness
+        var data = Data()
+        data.appendUUID(originalPacketID)
+        data.appendUUID(nackID)
+        data.append(UInt8(packetType))
+        data.append(UInt8(errorCode))
+        data.appendString(reason)
+        return data
+    }
+}
+

build.log

@@ -0,0 +1,13 @@
+Command line invocation:
+    /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -project bitchat.xcodeproj -scheme bitchat -configuration Debug -sdk iphonesimulator CODE_SIGNING_ALLOWED=NO ONLY_ACTIVE_ARCH=YES
+
+Build settings from command line:
+    CODE_SIGNING_ALLOWED = NO
+    ONLY_ACTIVE_ARCH = YES
+    SDKROOT = iphonesimulator18.5
+
+Resolve Package Graph
+/Users/jack/Library/org.swift.swiftpm/configuration is not accessible or not writable, disabling user-level cache features./Users/jack/Library/org.swift.swiftpm/security is not accessible or not writable, disabling user-level cache features./Users/jack/Library/Caches/org.swift.swiftpm is not accessible or not writable, disabling user-level cache features.
+Package: swift-secp256k1
+
+fatalError