Improve BLE relay reliability (#665)

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

.gitattributes

@@ -0,0 +1,20 @@
+# Prevent Github Languages stats skewing:
+
+# Binaries and assets
+**/*.xcframework/** linguist-vendored
+**/*.xcassets/** linguist-vendored
+
+# Generated files
+**/*.pbxproj linguist-generated
+**/*.storyboard linguist-generated
+Package.resolved linguist-generated
+
+# Downloaded CSVs
+relays/online_relays_gps.csv linguist-vendored
+
+# Docs
+**/*.md linguist-documentation
+
+# Configs
+Configs/*.xcconfig linguist-documentation
+**/*.plist linguist-documentation

Configs/Release.xcconfig

@@ -1,4 +1,4 @@
-MARKETING_VERSION = 1.4.0
+MARKETING_VERSION = 1.4.2
 CURRENT_PROJECT_VERSION = 1
 
 IPHONEOS_DEPLOYMENT_TARGET = 16.0

Justfile

@@ -14,7 +14,6 @@ default:
 # Check prerequisites
 check:
     @echo "Checking prerequisites..."
-    @command -v xcodegen >/dev/null 2>&1 || (echo "❌ XcodeGen not found. Install with: brew install xcodegen" && exit 1)
     @command -v xcodebuild >/dev/null 2>&1 || (echo "❌ Xcode not found. Install Xcode from App Store" && exit 1)
     @security find-identity -v -p codesigning | grep -q "Developer ID" || (echo "⚠️  No Developer ID found - code signing may fail" && exit 0)
     @echo "✅ All prerequisites met"
@@ -22,8 +21,6 @@ check:
 # Backup original files
 backup:
     @echo "Backing up original project configuration..."
-    @cp project.yml project.yml.backup 2>/dev/null || true
-    @# Backup other files that get modified by xcodegen
     @if [ -f bitchat.xcodeproj/project.pbxproj ]; then cp bitchat.xcodeproj/project.pbxproj bitchat.xcodeproj/project.pbxproj.backup; fi
     @if [ -f bitchat/Info.plist ]; then cp bitchat/Info.plist bitchat/Info.plist.backup; fi
 
@@ -44,15 +41,10 @@ patch-for-macos: backup
     @# Move iOS-specific files out of the way temporarily
     @if [ -f bitchat/LaunchScreen.storyboard ]; then mv bitchat/LaunchScreen.storyboard bitchat/LaunchScreen.storyboard.ios; fi
 
-# Generate Xcode project with patches
-generate: patch-for-macos
-    @echo "Generating Xcode project..."
-    @xcodegen generate
-
 # Build the macOS app
-build: check generate
+build: #check generate
     @echo "Building BitChat for macOS..."
-    @xcodebuild -project bitchat.xcodeproj -scheme "bitchat (macOS)" -configuration Debug CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO CODE_SIGN_ENTITLEMENTS="" build
+    @xcodebuild -project bitchat.xcodeproj -scheme "bitchat_macOS" -configuration Debug CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO CODE_SIGN_ENTITLEMENTS="" build
 
 # Run the macOS app
 run: build
@@ -75,9 +67,7 @@ clean: restore
 # Quick run without cleaning (for development)
 dev-run: check
     @echo "Quick development build..."
-    @if [ ! -f project.yml.backup ]; then just patch-for-macos; fi
+    @xcodebuild -project bitchat.xcodeproj -scheme "bitchat_macOS" -configuration Debug CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO CODE_SIGN_ENTITLEMENTS="" build
-    @xcodegen generate
-    @xcodebuild -project bitchat.xcodeproj -scheme "bitchat (macOS)" -configuration Debug CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO CODE_SIGN_ENTITLEMENTS="" build
     @find ~/Library/Developer/Xcode/DerivedData -name "bitchat.app" -path "*/Debug/*" -not -path "*/Index.noindex/*" | head -1 | xargs -I {} open "{}"
 
 # Show app info
@@ -106,11 +96,9 @@ nuke:
     @echo "🧨 Nuclear clean - removing all build artifacts and backups..."
     @rm -rf ~/Library/Developer/Xcode/DerivedData/bitchat-* 2>/dev/null || true
     @rm -rf bitchat.xcodeproj 2>/dev/null || true
-    @rm -f project.yml.backup 2>/dev/null || true
-    @rm -f project-macos.yml 2>/dev/null || true
     @rm -f bitchat.xcodeproj/project.pbxproj.backup 2>/dev/null || true
     @rm -f bitchat/Info.plist.backup 2>/dev/null || true
     @# Restore iOS-specific files if they were moved
     @if [ -f bitchat/LaunchScreen.storyboard.ios ]; then mv bitchat/LaunchScreen.storyboard.ios bitchat/LaunchScreen.storyboard; fi
-    @git checkout -- project.yml bitchat.xcodeproj/project.pbxproj bitchat/Info.plist 2>/dev/null || echo "⚠️  Not a git repo or no changes to restore"
+    @git checkout bitchat.xcodeproj/project.pbxproj bitchat/Info.plist 2>/dev/null || echo "⚠️  Not a git repo or no changes to restore"
     @echo "✅ Nuclear clean complete"

README.md

@@ -9,7 +9,7 @@ A decentralized peer-to-peer messaging app with dual transport architecture: loc
 📲 [App Store](https://apps.apple.com/us/app/bitchat-mesh/id6748219622)
 
 > [!WARNING]
-> Private messages have not received external security review and may contain vulnerabilities. Do not use for sensitive use cases, and do not rely on its security until it has been reviewed. Now uses the [Noise Protocol](http://www.noiseprotocol.org) for identity and encryption. Public local chat (the main feature) has no security concerns.
+> Private messages have not received external security review and may contain vulnerabilities. Do not use for sensitive use cases, and do not rely on its security until it has been reviewed. Now uses the [Noise Protocol](https://www.noiseprotocol.org) for identity and encryption. Public local chat (the main feature) has no security concerns.
 
 ## License
 
@@ -22,7 +22,7 @@ This project is released into the public domain. See the [LICENSE](LICENSE) file
 - **Intelligent Message Routing**: Automatically chooses best transport (Bluetooth → Nostr fallback)
 - **Decentralized Mesh Network**: Automatic peer discovery and multi-hop message relay over Bluetooth LE
 - **Privacy First**: No accounts, no phone numbers, no persistent identifiers
-- **Private Message End-to-End Encryption**: [Noise Protocol](http://noiseprotocol.org) for mesh, NIP-17 for Nostr
+- **Private Message End-to-End Encryption**: [Noise Protocol](https://noiseprotocol.org) for mesh, NIP-17 for Nostr
 - **IRC-Style Commands**: Familiar `/slap`, `/msg`, `/who` style interface
 - **Universal App**: Native support for iOS and macOS
 - **Emergency Wipe**: Triple-tap to instantly clear all data

bitchat.xcodeproj/project.pbxproj

@@ -498,7 +498,7 @@
 			baseConfigurationReferenceAnchor = A6E367C92E76469E0032EA8A /* Configs */;
 			baseConfigurationReferenceRelativePath = Debug.xcconfig;
 			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIconDebug;
 				ASSETCATALOG_COMPILER_INCLUDE_ALL_APPICON_ASSETS = YES;
 				CODE_SIGNING_ALLOWED = YES;
 				CODE_SIGNING_REQUIRED = YES;
@@ -604,6 +604,7 @@
 				ENABLE_PREVIEWS = YES;
 				INFOPLIST_FILE = bitchat/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = bitchat;
+				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.social-networking";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/../Frameworks",
@@ -683,7 +684,7 @@
 			baseConfigurationReferenceAnchor = A6E367C92E76469E0032EA8A /* Configs */;
 			baseConfigurationReferenceRelativePath = Debug.xcconfig;
 			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIconDebug;
 				ASSETCATALOG_COMPILER_INCLUDE_ALL_APPICON_ASSETS = YES;
 				CODE_SIGNING_ALLOWED = YES;
 				CODE_SIGNING_REQUIRED = YES;
@@ -695,6 +696,7 @@
 				ENABLE_PREVIEWS = NO;
 				INFOPLIST_FILE = bitchat/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = bitchat;
+				INFOPLIST_KEY_LSApplicationCategoryType = "public.app-category.social-networking";
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/../Frameworks",

bitchat/Assets.xcassets/AppIconDebug.appiconset/Contents.json

@@ -0,0 +1,38 @@
+{
+  "images" : [
+    {
+      "filename" : "image-1024.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "image-1024 1.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "tinted"
+        }
+      ],
+      "filename" : "image-1024 2.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

bitchat/Identity/IdentityModels.swift

@@ -158,23 +158,6 @@ struct IdentityCache: Codable {
     var version: Int = 1
 }
 
-// MARK: - Identity Resolution
-
-enum IdentityHint {
-    case unknown
-    case likelyKnown(fingerprint: String)
-    case ambiguous(candidates: Set<String>)
-    case verified(fingerprint: String)
-}
-
-// MARK: - Pending Actions
-
-struct PendingActions {
-    var toggleFavorite: Bool?
-    var setTrustLevel: TrustLevel?
-    var setPetname: String?
-}
-
 //
 
 // MARK: - Migration Support

bitchat/Noise/NoiseHandshakeCoordinator.swift

@@ -1,358 +0,0 @@
-//
-// NoiseHandshakeCoordinator.swift
-// bitchat
-//
-// This is free and unencumbered software released into the public domain.
-// For more information, see <https://unlicense.org>
-//
-
-import BitLogger
-import Foundation
-
-/// Coordinates Noise handshakes to prevent race conditions and ensure reliable encryption establishment
-final class NoiseHandshakeCoordinator {
-    
-    // MARK: - Handshake State
-    
-    enum HandshakeState: Equatable {
-        case idle
-        case waitingToInitiate(since: Date)
-        case initiating(attempt: Int, lastAttempt: Date)
-        case responding(since: Date)
-        case waitingForResponse(messagesSent: [Data], timeout: Date)
-        case established(since: Date)
-        case failed(reason: String, canRetry: Bool, lastAttempt: Date)
-        
-        var isActive: Bool {
-            switch self {
-            case .idle, .established, .failed:
-                return false
-            default:
-                return true
-            }
-        }
-    }
-    
-    // MARK: - Properties
-    
-    private var handshakeStates: [String: HandshakeState] = [:]
-    private var handshakeQueue = DispatchQueue(label: "chat.bitchat.noise.handshake", attributes: .concurrent)
-    
-    // Configuration
-    private let maxHandshakeAttempts = 3
-    private let handshakeTimeout: TimeInterval = 10.0
-    private let retryDelay: TimeInterval = 2.0
-    private let minTimeBetweenHandshakes: TimeInterval = 1.0 // Reduced from 5.0 for faster recovery
-    private let establishedSessionTTL: TimeInterval = 300.0 // 5 minutes - sessions older than this can be cleaned up
-    private let maxEstablishedSessions = 50 // Limit total established sessions
-    
-    // Track handshake messages to detect duplicates
-    private var processedHandshakeMessages: Set<Data> = []
-    private let messageHistoryLimit = 100
-    
-    // MARK: - Role Determination
-    
-    /// Deterministically determine who should initiate the handshake
-    /// Lower peer ID becomes the initiator to prevent simultaneous attempts
-    func determineHandshakeRole(myPeerID: String, remotePeerID: String) -> NoiseRole {
-        // Use simple string comparison for deterministic ordering
-        return myPeerID < remotePeerID ? .initiator : .responder
-    }
-    
-    /// Check if we should initiate handshake with a peer
-    func shouldInitiateHandshake(myPeerID: String, remotePeerID: String, forceIfStale: Bool = false) -> Bool {
-        return handshakeQueue.sync {
-            // Check if we're already in an active handshake
-            if let state = handshakeStates[remotePeerID], state.isActive {
-                // Check if the handshake is stale and we should force a new one
-                if forceIfStale {
-                    switch state {
-                    case .initiating(_, let lastAttempt):
-                        if Date().timeIntervalSince(lastAttempt) > handshakeTimeout {
-                            SecureLogger.warning("Forcing new handshake with \(remotePeerID) - previous stuck in initiating", category: .handshake)
-                            return true
-                        }
-                    default:
-                        break
-                    }
-                }
-                
-                SecureLogger.debug("Already in active handshake with \(remotePeerID), state: \(state)", category: .handshake)
-                return false
-            }
-            
-            // Check role
-            let role = determineHandshakeRole(myPeerID: myPeerID, remotePeerID: remotePeerID)
-            if role != .initiator {
-                return false
-            }
-            
-            // Check if we've failed recently and can't retry yet
-            if case .failed(_, let canRetry, let lastAttempt) = handshakeStates[remotePeerID] {
-                if !canRetry {
-                    return false
-                }
-                if Date().timeIntervalSince(lastAttempt) < retryDelay {
-                    return false
-                }
-            }
-            
-            return true
-        }
-    }
-    
-    /// Record that we're initiating a handshake
-    func recordHandshakeInitiation(peerID: String) {
-        handshakeQueue.async(flags: .barrier) {
-            let attempt = self.getCurrentAttempt(for: peerID) + 1
-            self.handshakeStates[peerID] = .initiating(attempt: attempt, lastAttempt: Date())
-            SecureLogger.info("Recording handshake initiation with \(peerID), attempt \(attempt)", category: .handshake)
-        }
-    }
-    
-    /// Record that we're responding to a handshake
-    func recordHandshakeResponse(peerID: String) {
-        handshakeQueue.async(flags: .barrier) {
-            self.handshakeStates[peerID] = .responding(since: Date())
-            SecureLogger.info("Recording handshake response to \(peerID)", category: .handshake)
-        }
-    }
-    
-    /// Record successful handshake completion
-    func recordHandshakeSuccess(peerID: String) {
-        handshakeQueue.async(flags: .barrier) {
-            self.handshakeStates[peerID] = .established(since: Date())
-            SecureLogger.info("Handshake successfully established with \(peerID)", category: .handshake)
-        }
-    }
-    
-    /// Record handshake failure
-    func recordHandshakeFailure(peerID: String, reason: String) {
-        handshakeQueue.async(flags: .barrier) {
-            let attempts = self.getCurrentAttempt(for: peerID)
-            let canRetry = attempts < self.maxHandshakeAttempts
-            self.handshakeStates[peerID] = .failed(reason: reason, canRetry: canRetry, lastAttempt: Date())
-            SecureLogger.warning("Handshake failed with \(peerID): \(reason), canRetry: \(canRetry)", category: .handshake)
-        }
-    }
-    
-    /// Check if we should accept an incoming handshake initiation
-    func shouldAcceptHandshakeInitiation(myPeerID: String, remotePeerID: String) -> Bool {
-        return handshakeQueue.sync {
-            // If we're already established, reject new handshakes
-            if case .established = handshakeStates[remotePeerID] {
-                SecureLogger.debug("Rejecting handshake from \(remotePeerID) - already established", category: .handshake)
-                return false
-            }
-            
-            let role = determineHandshakeRole(myPeerID: myPeerID, remotePeerID: remotePeerID)
-            
-            // If we're the initiator and already initiating, this is a race condition
-            if role == .initiator {
-                if case .initiating = handshakeStates[remotePeerID] {
-                    // They shouldn't be initiating, but accept it to recover from race condition
-                    SecureLogger.warning("Accepting handshake from \(remotePeerID) despite being initiator (race condition recovery)", category: .handshake)
-                    return true
-                }
-            }
-            
-            // If we're the responder, we should accept
-            return true
-        }
-    }
-    
-    /// Check if this is a duplicate handshake message
-    func isDuplicateHandshakeMessage(_ data: Data) -> Bool {
-        return handshakeQueue.sync {
-            if processedHandshakeMessages.contains(data) {
-                return true
-            }
-            
-            // Add to processed messages with size limit
-            if processedHandshakeMessages.count >= messageHistoryLimit {
-                processedHandshakeMessages.removeAll()
-            }
-            processedHandshakeMessages.insert(data)
-            return false
-        }
-    }
-    
-    /// Get time to wait before next handshake attempt
-    func getRetryDelay(for peerID: String) -> TimeInterval? {
-        return handshakeQueue.sync {
-            guard let state = handshakeStates[peerID] else { return nil }
-            
-            switch state {
-            case .failed(_, let canRetry, let lastAttempt):
-                if !canRetry { return nil }
-                let timeSinceFailure = Date().timeIntervalSince(lastAttempt)
-                if timeSinceFailure >= retryDelay {
-                    return 0
-                }
-                return retryDelay - timeSinceFailure
-                
-            case .initiating(_, let lastAttempt):
-                let timeSinceAttempt = Date().timeIntervalSince(lastAttempt)
-                if timeSinceAttempt >= minTimeBetweenHandshakes {
-                    return 0
-                }
-                return minTimeBetweenHandshakes - timeSinceAttempt
-                
-            default:
-                return nil
-            }
-        }
-    }
-    
-    /// Reset handshake state for a peer
-    func resetHandshakeState(for peerID: String) {
-        handshakeQueue.async(flags: .barrier) {
-            self.handshakeStates.removeValue(forKey: peerID)
-            SecureLogger.debug("Reset handshake state for \(peerID)", category: .handshake)
-        }
-    }
-    
-    /// Clean up stale handshake states and old established sessions
-    func cleanupStaleHandshakes(staleTimeout: TimeInterval = 30.0) -> [String] {
-        return handshakeQueue.sync {
-            let now = Date()
-            var stalePeerIDs: [String] = []
-            var establishedSessions: [(peerID: String, since: Date)] = []
-            
-            for (peerID, state) in handshakeStates {
-                var isStale = false
-                
-                switch state {
-                case .initiating(_, let lastAttempt):
-                    if now.timeIntervalSince(lastAttempt) > staleTimeout {
-                        isStale = true
-                    }
-                case .responding(let since):
-                    if now.timeIntervalSince(since) > staleTimeout {
-                        isStale = true
-                    }
-                case .waitingForResponse(_, let timeout):
-                    if now > timeout {
-                        isStale = true
-                    }
-                case .established(let since):
-                    // Track established sessions for potential cleanup
-                    establishedSessions.append((peerID, since))
-                    // Clean up very old established sessions
-                    if now.timeIntervalSince(since) > establishedSessionTTL {
-                        isStale = true
-                    }
-                default:
-                    break
-                }
-                
-                if isStale {
-                    stalePeerIDs.append(peerID)
-                    SecureLogger.warning("Found stale handshake state for \(peerID): \(state)", category: .handshake)
-                }
-            }
-            
-            // If we have too many established sessions, clean up the oldest ones
-            if establishedSessions.count > maxEstablishedSessions {
-                // Sort by age (oldest first)
-                let sortedSessions = establishedSessions.sorted { $0.since < $1.since }
-                let sessionsToRemove = sortedSessions.count - maxEstablishedSessions
-                
-                for i in 0..<sessionsToRemove {
-                    let peerID = sortedSessions[i].peerID
-                    stalePeerIDs.append(peerID)
-                    SecureLogger.info("Removing old established session for \(peerID) to maintain session limit", category: .handshake)
-                }
-            }
-            
-            // Clean up stale states
-            for peerID in stalePeerIDs {
-                handshakeStates.removeValue(forKey: peerID)
-            }
-            
-            if !stalePeerIDs.isEmpty {
-                SecureLogger.info("Cleaned up \(stalePeerIDs.count) stale handshake states", category: .handshake)
-            }
-            
-            return stalePeerIDs
-        }
-    }
-    
-    /// Get current handshake state
-    func getHandshakeState(for peerID: String) -> HandshakeState {
-        return handshakeQueue.sync {
-            return handshakeStates[peerID] ?? .idle
-        }
-    }
-    
-    /// Get current retry count for a peer
-    func getRetryCount(for peerID: String) -> Int {
-        return handshakeQueue.sync {
-            switch handshakeStates[peerID] {
-            case .initiating(let attempt, _):
-                return attempt - 1  // Attempts start at 1, retries start at 0
-            default:
-                return 0
-            }
-        }
-    }
-    
-    /// Increment retry count for a peer
-    func incrementRetryCount(for peerID: String) {
-        handshakeQueue.async(flags: .barrier) {
-            let currentAttempt = self.getCurrentAttempt(for: peerID)
-            self.handshakeStates[peerID] = .initiating(attempt: currentAttempt + 1, lastAttempt: Date())
-        }
-    }
-    
-    // MARK: - Private Helpers
-    
-    private func getCurrentAttempt(for peerID: String) -> Int {
-        switch handshakeStates[peerID] {
-        case .initiating(let attempt, _):
-            return attempt
-        case .failed(_, _, _):
-            // Count previous attempts
-            return 1 // Simplified for now
-        default:
-            return 0
-        }
-    }
-    
-    /// Log current handshake states for debugging
-    func logHandshakeStates() {
-        handshakeQueue.sync {
-            SecureLogger.debug("=== Handshake States ===", category: .handshake)
-            for (peerID, state) in handshakeStates {
-                let stateDesc: String
-                switch state {
-                case .idle:
-                    stateDesc = "idle"
-                case .waitingToInitiate(let since):
-                    stateDesc = "waiting to initiate (since \(since))"
-                case .initiating(let attempt, let lastAttempt):
-                    stateDesc = "initiating (attempt \(attempt), last: \(lastAttempt))"
-                case .responding(let since):
-                    stateDesc = "responding (since: \(since))"
-                case .waitingForResponse(let messages, let timeout):
-                    stateDesc = "waiting for response (\(messages.count) messages, timeout: \(timeout))"
-                case .established(let since):
-                    stateDesc = "established (since \(since))"
-                case .failed(let reason, let canRetry, let lastAttempt):
-                    stateDesc = "failed: \(reason) (canRetry: \(canRetry), last: \(lastAttempt))"
-                }
-                SecureLogger.debug("  \(peerID): \(stateDesc)", category: .handshake)
-            }
-            SecureLogger.debug("========================", category: .handshake)
-        }
-    }
-    
-    /// Clear all handshake states - used during panic mode
-    func clearAllHandshakeStates() {
-        handshakeQueue.async(flags: .barrier) {
-            SecureLogger.warning("Clearing all handshake states for panic mode", category: .handshake)
-            self.handshakeStates.removeAll()
-            self.processedHandshakeMessages.removeAll()
-        }
-    }
-}

bitchat/Noise/NoiseSecurityConsiderations.swift

@@ -210,6 +210,15 @@ final class NoiseRateLimiter {
             self.messageTimestamps.removeValue(forKey: peerID)
         }
     }
+
+    func resetAll() {
+        queue.async(flags: .barrier) {
+            self.handshakeTimestamps.removeAll()
+            self.messageTimestamps.removeAll()
+            self.globalHandshakeTimestamps.removeAll()
+            self.globalMessageTimestamps.removeAll()
+        }
+    }
 }
 
 // MARK: - Security Errors

bitchat/Noise/NoiseSession.swift

@@ -309,6 +309,15 @@ final class NoiseSessionManager {
         }
     }
 
+    func removeAllSessions() {
+        managerQueue.sync(flags: .barrier) {
+            for (_, session) in sessions {
+                session.reset()
+            }
+            sessions.removeAll()
+        }
+    }
+    
     func getEstablishedSessions() -> [String: NoiseSession] {
         return managerQueue.sync {
             return sessions.filter { $0.value.isEstablished() }

bitchat/Nostr/NostrIdentity.swift

@@ -150,13 +150,31 @@ struct NostrIdentityBridge {
     
     /// Clear all Nostr identity associations and current identity
     static func clearAllAssociations() {
-        // Delete current Nostr identity
+        let query: [String: Any] = [
-        KeychainHelper.delete(key: currentIdentityKey, service: keychainService)
+            kSecClass as String: kSecClassGenericPassword,
-        KeychainHelper.delete(key: deviceSeedKey, service: keychainService)
+            kSecAttrService as String: keychainService,
+            kSecMatchLimit as String: kSecMatchLimitAll,
+            kSecReturnAttributes as String: true
+        ]
 
-        // Note: We can't efficiently delete all noise-nostr associations 
+        var result: AnyObject?
-        // without tracking them, but they'll be orphaned and eventually cleaned up
+        let status = SecItemCopyMatching(query as CFDictionary, &result)
-        // The important part is deleting the current identity so a new one is generated
+        if status == errSecSuccess, let items = result as? [[String: Any]] {
+            for item in items {
+                var deleteQuery: [String: Any] = [
+                    kSecClass as String: kSecClassGenericPassword,
+                    kSecAttrService as String: keychainService
+                ]
+                if let account = item[kSecAttrAccount as String] as? String {
+                    deleteQuery[kSecAttrAccount as String] = account
+                }
+                SecItemDelete(deleteQuery as CFDictionary)
+            }
+        } else if status == errSecItemNotFound {
+            // nothing persisted; no action needed
+        }
+
+        deviceSeedCache = nil
     }
 
     // MARK: - Per-Geohash Identities (Location Channels)

bitchat/Nostr/NostrRelayManager.swift

@@ -35,10 +35,14 @@ final class NostrRelayManager: ObservableObject {
         "wss://nostr21.com"
         // For local testing, you can add: "ws://localhost:8080"
     ]
+    private static let defaultRelaySet = Set(defaultRelays)
     
     @Published private(set) var relays: [Relay] = []
     @Published private(set) var isConnected = false
     
+    private var allowDefaultRelays: Bool = false
+    private var hasMutualFavorites: Bool = false
+    private var hasLocationPermission: Bool = false
     private var connections: [String: URLSessionWebSocketTask] = [:]
     private var subscriptions: [String: Set<String>] = [:] // relay URL -> active subscription IDs
     private var pendingSubscriptions: [String: [String: String]] = [:] // relay URL -> (subscription id -> encoded REQ JSON)
@@ -65,6 +69,8 @@ final class NostrRelayManager: ObservableObject {
     private let messageQueueLock = NSLock()
     private let encoder = JSONEncoder()
     private let decoder = JSONDecoder()
+    private var networkService: NetworkActivationService { NetworkActivationService.shared }
+    private var shouldUseTor: Bool { networkService.userTorEnabled }
     
     // Exponential backoff configuration
     private let initialBackoffInterval: TimeInterval = TransportConfig.nostrRelayInitialBackoffSeconds
@@ -78,16 +84,36 @@ final class NostrRelayManager: ObservableObject {
     private var connectionGeneration: Int = 0
     
     init() {
-        // Initialize with default relays
+        hasMutualFavorites = !FavoritesPersistenceService.shared.mutualFavorites.isEmpty
-        self.relays = Self.defaultRelays.map { Relay(url: $0) }
+        hasLocationPermission = LocationChannelManager.shared.permissionState == .authorized
+        applyDefaultRelayPolicy(force: true)
         // Deterministic JSON shape for outbound requests
         self.encoder.outputFormatting = .sortedKeys
+        FavoritesPersistenceService.shared.$mutualFavorites
+            .receive(on: DispatchQueue.main)
+            .sink { [weak self] favorites in
+                guard let self = self else { return }
+                self.hasMutualFavorites = !favorites.isEmpty
+                self.applyDefaultRelayPolicy()
+            }
+            .store(in: &cancellables)
+        LocationChannelManager.shared.$permissionState
+            .receive(on: DispatchQueue.main)
+            .sink { [weak self] state in
+                guard let self = self else { return }
+                let authorized = (state == .authorized)
+                if authorized == self.hasLocationPermission { return }
+                self.hasLocationPermission = authorized
+                self.applyDefaultRelayPolicy()
+            }
+            .store(in: &cancellables)
     }
     
     /// Connect to all configured relays
     func connect() {
         // Global network policy gate
-        if !TorManager.shared.isAutoStartAllowed() { return }
+        guard networkService.activationAllowed else { return }
+        if shouldUseTor {
             // Ensure Tor is started early and wait for readiness off-main; then hop back to connect.
             Task.detached {
                 let ready = await TorManager.shared.awaitReady()
@@ -102,6 +128,12 @@ final class NostrRelayManager: ObservableObject {
                     }
                 }
             }
+        } else {
+            SecureLogger.debug("🌐 Connecting to \(self.relays.count) Nostr relays (direct)", category: .session)
+            for relay in self.relays {
+                connectToRelay(relay.url)
+            }
+        }
     }
     
     /// Disconnect from all relays
@@ -120,8 +152,10 @@ final class NostrRelayManager: ObservableObject {
     /// Ensure connections exist to the given relay URLs (idempotent).
     func ensureConnections(to relayUrls: [String]) {
         // Global network policy gate
-        if !TorManager.shared.isAutoStartAllowed() { return }
+        guard networkService.activationAllowed else { return }
-        if TorManager.shared.torEnforced && !TorManager.shared.isReady {
+        let targets = allowedRelayList(from: relayUrls)
+        guard !targets.isEmpty else { return }
+        if shouldUseTor && TorManager.shared.torEnforced && !TorManager.shared.isReady {
             // Defer until Tor is fully ready; avoid queuing connection attempts early
             Task.detached { [weak self] in
                 guard let self = self else { return }
@@ -130,22 +164,21 @@ final class NostrRelayManager: ObservableObject {
             }
             return
         }
-        let existing = Set(relays.map { $0.url })
+        var existing = Set(relays.map { $0.url })
-        for url in Set(relayUrls) {
+        for url in targets where !existing.contains(url) {
-            if !existing.contains(url) {
             relays.append(Relay(url: url))
+            existing.insert(url)
         }
-            if connections[url] == nil {
+        for url in targets where connections[url] == nil {
             connectToRelay(url)
         }
     }
-    }
 
     /// Send an event to specified relays (or all if none specified)
     func sendEvent(_ event: NostrEvent, to relayUrls: [String]? = nil) {
         // Global network policy gate
-        if !TorManager.shared.isAutoStartAllowed() { return }
+        guard networkService.activationAllowed else { return }
-        if TorManager.shared.torEnforced && !TorManager.shared.isReady {
+        if shouldUseTor && TorManager.shared.torEnforced && !TorManager.shared.isReady {
             // Defer sends until Tor is ready to avoid premature queueing
             Task.detached { [weak self] in
                 guard let self = self else { return }
@@ -154,7 +187,9 @@ final class NostrRelayManager: ObservableObject {
             }
             return
         }
-        let targetRelays = relayUrls ?? Self.defaultRelays
+        let requestedRelays = relayUrls ?? Self.defaultRelays
+        let targetRelays = allowedRelayList(from: requestedRelays)
+        guard !targetRelays.isEmpty else { return }
         ensureConnections(to: targetRelays)
 
         // Attempt immediate send to relays with active connections; queue the rest
@@ -220,7 +255,7 @@ final class NostrRelayManager: ObservableObject {
         onEOSE: (() -> Void)? = nil
     ) {
         // Global network policy gate
-        if !TorManager.shared.isAutoStartAllowed() { return }
+        guard networkService.activationAllowed else { return }
         // Coalesce rapid duplicate subscribe requests only if a handler already exists
         let now = Date()
         if messageHandlers[id] != nil {
@@ -229,7 +264,7 @@ final class NostrRelayManager: ObservableObject {
             }
         }
         subscribeCoalesce[id] = now
-        if TorManager.shared.torEnforced && !TorManager.shared.isReady {
+        if shouldUseTor && TorManager.shared.torEnforced && !TorManager.shared.isReady {
             // Defer subscription setup until Tor is ready; avoid queuing subs early
             Task.detached { [weak self] in
                 guard let self = self else { return }
@@ -257,19 +292,23 @@ final class NostrRelayManager: ObservableObject {
             
             // Target specific relays if provided; else default. Filter permanently failed relays.
             let baseUrls = relayUrls ?? Self.defaultRelays
-            let urls = baseUrls.filter { !isPermanentlyFailed($0) }
+            let candidateUrls = baseUrls.filter { !isPermanentlyFailed($0) }
+            let urls = allowedRelayList(from: candidateUrls)
             // Always queue subscriptions; sending happens when a relay reports connected
             let existingSet = Set(relays.map { $0.url })
             for url in urls where !existingSet.contains(url) {
                 relays.append(Relay(url: url))
             }
-            for url in urls {
+            for url in candidateUrls {
                 var map = self.pendingSubscriptions[url] ?? [:]
                 map[id] = messageString
                 self.pendingSubscriptions[url] = map
             }
             // Initialize EOSE tracking if requested
             if let onEOSE = onEOSE {
+                if urls.isEmpty {
+                    onEOSE()
+                } else {
                     var tracker = EOSETracker(pendingRelays: Set(urls), callback: onEOSE, timer: nil)
                     // Fallback timeout to avoid hanging if a relay never sends EOSE
                     tracker.timer = Timer.scheduledTimer(withTimeInterval: 2.0, repeats: false) { [weak self] _ in
@@ -284,6 +323,7 @@ final class NostrRelayManager: ObservableObject {
                     }
                     eoseTrackers[id] = tracker
                 }
+            }
             SecureLogger.debug("📋 Queued subscription id=\(id) for \(urls.count) relay(s)", category: .session)
             // Ensure we actually have sockets opening to these relays so queued REQs can flush
             ensureConnections(to: urls)
@@ -298,6 +338,55 @@ final class NostrRelayManager: ObservableObject {
         }
     }
 
+    private func applyDefaultRelayPolicy(force: Bool = false) {
+        let shouldAllow = hasMutualFavorites || hasLocationPermission
+        if !force && shouldAllow == allowDefaultRelays { return }
+        allowDefaultRelays = shouldAllow
+        if shouldAllow {
+            var existing = Set(relays.map { $0.url })
+            for url in Self.defaultRelays where !existing.contains(url) {
+                relays.append(Relay(url: url))
+                existing.insert(url)
+            }
+            if networkService.activationAllowed {
+                ensureConnections(to: Self.defaultRelays)
+            }
+        } else {
+            for url in Self.defaultRelays {
+                if let connection = connections[url] {
+                    connection.cancel(with: .goingAway, reason: nil)
+                }
+                connections.removeValue(forKey: url)
+                subscriptions.removeValue(forKey: url)
+            }
+            messageQueueLock.lock()
+            for index in (0..<messageQueue.count).reversed() {
+                var item = messageQueue[index]
+                item.pendingRelays.subtract(Self.defaultRelaySet)
+                if item.pendingRelays.isEmpty {
+                    messageQueue.remove(at: index)
+                } else {
+                    messageQueue[index] = item
+                }
+            }
+            messageQueueLock.unlock()
+            relays.removeAll { Self.defaultRelaySet.contains($0.url) }
+            updateConnectionStatus()
+        }
+    }
+
+    private func allowedRelayList(from urls: [String]) -> [String] {
+        var seen = Set<String>()
+        var result: [String] = []
+        for url in urls {
+            if !allowDefaultRelays && Self.defaultRelaySet.contains(url) { continue }
+            if seen.insert(url).inserted {
+                result.append(url)
+            }
+        }
+        return result
+    }
+    
     /// Unsubscribe from a subscription
     func unsubscribe(id: String) {
         messageHandlers.removeValue(forKey: id)
@@ -326,14 +415,14 @@ final class NostrRelayManager: ObservableObject {
     
     private func connectToRelay(_ urlString: String) {
         // Global network policy gate
-        if !TorManager.shared.isAutoStartAllowed() { return }
+        guard networkService.activationAllowed else { return }
         guard let url = URL(string: urlString) else { 
             SecureLogger.warning("Invalid relay URL: \(urlString)", category: .session)
             return 
         }
 
         // Avoid initiating connections while app is backgrounded; we'll reconnect on foreground
-        if TorManager.shared.torEnforced && !TorManager.shared.isForeground() {
+        if shouldUseTor && TorManager.shared.torEnforced && !TorManager.shared.isForeground() {
             return
         }
         
@@ -348,7 +437,7 @@ final class NostrRelayManager: ObservableObject {
         // Attempting to connect to Nostr relay via the proxied session
         
         // If Tor is enforced but not ready, delay connection until it is.
-        if TorManager.shared.torEnforced && !TorManager.shared.isReady {
+        if shouldUseTor && TorManager.shared.torEnforced && !TorManager.shared.isReady {
             Task.detached { [weak self] in
                 guard let self = self else { return }
                 let ready = await TorManager.shared.awaitReady()
@@ -534,7 +623,7 @@ final class NostrRelayManager: ObservableObject {
     
     private func handleDisconnection(relayUrl: String, error: Error) {
         // If networking is disallowed, do not schedule reconnection
-        if !TorManager.shared.isAutoStartAllowed() {
+        if !networkService.activationAllowed {
             connections.removeValue(forKey: relayUrl)
             subscriptions.removeValue(forKey: relayUrl)
             updateRelayStatus(relayUrl, isConnected: false, error: error)

bitchat/Services/BLEService.swift

@@ -7,6 +7,78 @@ import CryptoKit
 import UIKit
 #endif
 
+struct NotificationStreamAssembler {
+    private var buffer = Data()
+
+    mutating func append(_ chunk: Data) -> (frames: [Data], droppedPrefixes: [UInt8], reset: Bool) {
+        guard !chunk.isEmpty else { return ([], [], false) }
+
+        buffer.append(chunk)
+
+        var frames: [Data] = []
+        var dropped: [UInt8] = []
+        var reset = false
+        let maxFrameLength = TransportConfig.blePendingWriteBufferCapBytes
+
+        let minHeaderBytes = 14 // version + type + ttl + timestamp(8) + flags + length(2)
+        let minFramePrefix = minHeaderBytes + BinaryProtocol.senderIDSize
+
+        while buffer.count >= minFramePrefix {
+            guard let first = buffer.first else { break }
+            if first != 1 {
+                dropped.append(buffer.removeFirst())
+                continue
+            }
+
+            guard buffer.count >= minHeaderBytes else { break }
+
+            let headerBytes = Array(buffer.prefix(minFramePrefix))
+            guard headerBytes.count == minFramePrefix else { break }
+
+            let flags = headerBytes[11]
+            let hasRecipient = (flags & BinaryProtocol.Flags.hasRecipient) != 0
+            let hasSignature = (flags & BinaryProtocol.Flags.hasSignature) != 0
+            let payloadLen = (Int(headerBytes[12]) << 8) | Int(headerBytes[13])
+
+            var frameLength = minFramePrefix + payloadLen
+            if hasRecipient { frameLength += BinaryProtocol.recipientIDSize }
+            if hasSignature { frameLength += BinaryProtocol.signatureSize }
+
+            guard frameLength > 0, frameLength <= maxFrameLength else {
+                buffer.removeAll()
+                reset = true
+                break
+            }
+
+            if buffer.count < frameLength {
+                // Check if a new frame start exists within the incomplete buffer; if so, drop leading partial bytes.
+                if let nextStart = buffer.dropFirst().firstIndex(of: 1) {
+                    let dropCount = buffer.distance(from: buffer.startIndex, to: nextStart)
+                    if dropCount > 0 {
+                        buffer.removeFirst(dropCount)
+                        dropped.append(1) // treat as dropped partial start
+                    }
+                }
+                break
+            }
+
+            let frame = Data(buffer.prefix(frameLength))
+            frames.append(frame)
+            buffer.removeFirst(frameLength)
+        }
+
+        if !buffer.isEmpty, buffer.allSatisfy({ $0 == 0 }) {
+            buffer.removeAll(keepingCapacity: false)
+        }
+
+        return (frames, dropped, reset)
+    }
+
+    mutating func reset() {
+        buffer.removeAll(keepingCapacity: false)
+    }
+}
+
 /// BLEService — Bluetooth Mesh Transport
 /// - Emits events exclusively via `BitchatDelegate` for UI.
 /// - ChatViewModel must consume delegate callbacks (`didReceivePublicMessage`, `didReceiveNoisePayload`).
@@ -40,6 +112,7 @@ final class BLEService: NSObject {
         var isConnecting: Bool = false
         var isConnected: Bool = false
         var lastConnectionAttempt: Date? = nil
+        var assembler = NotificationStreamAssembler()
     }
     private var peripherals: [String: PeripheralState] = [:]  // UUID -> PeripheralState
     private var peerToPeripheralUUID: [String: String] = [:]  // PeerID -> Peripheral UUID
@@ -89,8 +162,9 @@ final class BLEService: NSObject {
     
     var myPeerID: String = ""
     var myNickname: String = "anon"
-    private let noiseService: NoiseEncryptionService
+    private var noiseService: NoiseEncryptionService
     private let identityManager: SecureIdentityStateManagerProtocol
+    private let keychain: KeychainManagerProtocol
     private var myPeerIDData: Data = Data()
 
     // MARK: - Advertising Privacy
@@ -190,7 +264,9 @@ final class BLEService: NSObject {
     // MARK: - Helpers: IDs, selection, and write backpressure
     private func makeMessageID(for packet: BitchatPacket) -> String {
         let senderID = packet.senderID.hexEncodedString()
-        return "\(senderID)-\(packet.timestamp)-\(packet.type)"
+        let digest = SHA256.hash(data: packet.payload)
+        let digestPrefix = digest.prefix(4).map { String(format: "%02x", $0) }.joined()
+        return "\(senderID)-\(packet.timestamp)-\(packet.type)-\(digestPrefix)"
     }
 
     private func subsetSizeForFanout(_ n: Int) -> Int {
@@ -330,33 +406,44 @@ final class BLEService: NSObject {
         }
     }
     
-    init(keychain: KeychainManagerProtocol, identityManager: SecureIdentityStateManagerProtocol) {
+    private func configureNoiseServiceCallbacks(for service: NoiseEncryptionService) {
-        noiseService = NoiseEncryptionService(keychain: keychain)
+        service.onPeerAuthenticated = { [weak self] peerID, fingerprint in
-        self.identityManager = identityManager
-        super.init()
-        
-        // Derive stable peer ID from Noise static public key fingerprint (first 8 bytes → 16 hex chars)
-        let fingerprint = noiseService.getIdentityFingerprint() // 64 hex chars
-        self.myPeerID = String(fingerprint.prefix(16))
-        self.myPeerIDData = Data(hexString: myPeerID) ?? Data()
-        
-        // Set queue key for identification
-        messageQueue.setSpecific(key: messageQueueKey, value: ())
-        
-        // Set up Noise session establishment callback
-        // This ensures we send pending messages only when session is truly established
-        noiseService.onPeerAuthenticated = { [weak self] peerID, fingerprint in
             SecureLogger.debug("🔐 Noise session authenticated with \(peerID), fingerprint: \(fingerprint.prefix(16))...")
-            // Send any messages that were queued during handshake
             self?.messageQueue.async { [weak self] in
                 self?.sendPendingMessagesAfterHandshake(for: peerID)
                 self?.sendPendingNoisePayloadsAfterHandshake(for: peerID)
             }
-            // Proactive presence nudge: announce immediately after handshake
             self?.messageQueue.async { [weak self] in
                 self?.sendAnnounce(forceSend: true)
             }
         }
+    }
+
+    private func refreshPeerIdentity() {
+        let fingerprint = noiseService.getIdentityFingerprint()
+        myPeerID = String(fingerprint.prefix(16))
+        myPeerIDData = Data(hexString: myPeerID) ?? Data()
+    }
+
+    private func restartGossipManager() {
+        gossipSyncManager?.stop()
+        let sync = GossipSyncManager(myPeerID: myPeerID)
+        sync.delegate = self
+        sync.start()
+        gossipSyncManager = sync
+    }
+
+    init(keychain: KeychainManagerProtocol, identityManager: SecureIdentityStateManagerProtocol) {
+        self.keychain = keychain
+        noiseService = NoiseEncryptionService(keychain: keychain)
+        self.identityManager = identityManager
+        super.init()
+        
+        configureNoiseServiceCallbacks(for: noiseService)
+        refreshPeerIdentity()
+        
+        // Set queue key for identification
+        messageQueue.setSpecific(key: messageQueueKey, value: ())
         
         // Set up application state tracking (iOS only)
         #if os(iOS)
@@ -407,10 +494,7 @@ final class BLEService: NSObject {
         requestPeerDataPublish()
 
         // Initialize gossip sync manager
-        let sync = GossipSyncManager(myPeerID: myPeerID)
+        restartGossipManager()
-        sync.delegate = self
-        sync.start()
-        self.gossipSyncManager = sync
     }
     
     func setNickname(_ nickname: String) {
@@ -739,6 +823,46 @@ final class BLEService: NSObject {
         centralToPeerID.removeAll()
     }
 
+    func resetIdentityForPanic(currentNickname: String) {
+        messageQueue.sync(flags: .barrier) {
+            pendingMessagesAfterHandshake.removeAll()
+            pendingNoisePayloadsAfterHandshake.removeAll()
+        }
+
+        collectionsQueue.sync(flags: .barrier) {
+            recentAnnounceBySender.removeAll()
+            recentAnnounceOrder.removeAll()
+            pendingPeripheralWrites.removeAll()
+            pendingNotifications.removeAll()
+            pendingDirectedRelays.removeAll()
+            ingressByMessageID.removeAll()
+            recentPacketTimestamps.removeAll()
+            scheduledRelays.values.forEach { $0.cancel() }
+            scheduledRelays.removeAll()
+        }
+
+        bleQueue.sync {
+            pendingWriteBuffers.removeAll()
+            recentConnectTimeouts.removeAll()
+        }
+        recentDisconnectNotifies.removeAll()
+
+        noiseService.clearEphemeralStateForPanic()
+        noiseService.clearPersistentIdentity()
+
+        let newNoise = NoiseEncryptionService(keychain: keychain)
+        noiseService = newNoise
+        configureNoiseServiceCallbacks(for: newNoise)
+        refreshPeerIdentity()
+        restartGossipManager()
+
+        setNickname(currentNickname)
+
+        messageDeduplicator.reset()
+        requestPeerDataPublish()
+        startServices()
+    }
+    
     func getNoiseService() -> NoiseEncryptionService {
         return noiseService
     }
@@ -1061,6 +1185,13 @@ final class BLEService: NSObject {
         // Determine last-hop link for this message to avoid echoing back
         let messageID = makeMessageID(for: packet)
         let ingressLink: LinkID? = collectionsQueue.sync { ingressByMessageID[messageID]?.link }
+        let directedPeerHint: String? = {
+            if let explicit = directedOnlyPeer { return explicit }
+            if let recipient = packet.recipientID?.hexEncodedString(), !recipient.isEmpty {
+                return recipient
+            }
+            return nil
+        }()
 
         let states = snapshotPeripheralStates()
         var minCentralWriteLen: Int?
@@ -1114,7 +1245,7 @@ final class BLEService: NSObject {
         // Special-case control/presence messages: do NOT subset to maximize immediate coverage
         var selectedPeripheralIDs = Set(allowedPeripheralIDs)
         var selectedCentralIDs = Set(allowedCentralIDs)
-        if directedOnlyPeer == nil
+        if directedPeerHint == nil
             && packet.type != MessageType.fragment.rawValue
             && packet.type != MessageType.announce.rawValue
             && packet.type != MessageType.requestSync.rawValue {
@@ -1125,7 +1256,7 @@ final class BLEService: NSObject {
         }
 
         // If directed and we currently have no links to forward on, spool for a short window
-        if let only = directedOnlyPeer,
+        if let only = directedPeerHint,
            selectedPeripheralIDs.isEmpty && selectedCentralIDs.isEmpty,
            (packet.type == MessageType.noiseEncrypted.rawValue || packet.type == MessageType.noiseHandshake.rawValue) {
             spoolDirectedPacket(packet, recipientPeerID: only)
@@ -2466,7 +2597,8 @@ extension BLEService: CBCentralManagerDelegate {
             peerID: nil,
             isConnecting: true,
             isConnected: false,
-            lastConnectionAttempt: Date()
+            lastConnectionAttempt: Date(),
+            assembler: NotificationStreamAssembler()
         )
         peripheral.delegate = self
         
@@ -2515,7 +2647,9 @@ func centralManager(_ central: CBCentralManager, didConnect peripheral: CBPeriph
                 characteristic: nil,
                 peerID: nil,
                 isConnecting: false,
-                isConnected: true
+                isConnected: true,
+                lastConnectionAttempt: nil,
+                assembler: NotificationStreamAssembler()
             )
         }
         
@@ -2653,7 +2787,8 @@ extension BLEService {
             peerID: nil,
             isConnecting: true,
             isConnected: false,
-            lastConnectionAttempt: Date()
+            lastConnectionAttempt: Date(),
+            assembler: NotificationStreamAssembler()
         )
         peripheral.delegate = self
         let options: [String: Any] = [
@@ -2790,53 +2925,72 @@ extension BLEService: CBPeripheralDelegate {
             return
         }
         
-        guard let data = characteristic.value else {
+        guard let data = characteristic.value, !data.isEmpty else {
             SecureLogger.warning("⚠️ No data in notification", category: .session)
             return
         }
 
-        // Received BLE notification
+        bufferNotificationChunk(data, from: peripheral)
-        
-        // Process directly on main thread to avoid deadlocks (matches original implementation)
-        guard let packet = BinaryProtocol.decode(data) else {
-            // Avoid dumping entire payload; log size and short prefix for diagnostics
-            let prefix = data.prefix(16).map { String(format: "%02x", $0) }.joined(separator: " ")
-            SecureLogger.error("❌ Failed to decode notification packet (len=\(data.count), prefix=\(prefix))", category: .session)
-            return
     }
 
-        // Use the packet's senderID as the peer identifier
+    private func bufferNotificationChunk(_ chunk: Data, from peripheral: CBPeripheral) {
+        let peripheralUUID = peripheral.identifier.uuidString
+
+        var state = peripherals[peripheralUUID] ?? PeripheralState(
+            peripheral: peripheral,
+            characteristic: nil,
+            peerID: nil,
+            isConnecting: false,
+            isConnected: peripheral.state == .connected,
+            lastConnectionAttempt: nil,
+            assembler: NotificationStreamAssembler()
+        )
+
+        var assembler = state.assembler
+        let result = assembler.append(chunk)
+        state.assembler = assembler
+        peripherals[peripheralUUID] = state
+
+        for byte in result.droppedPrefixes {
+            SecureLogger.warning("⚠️ Dropping byte from BLE stream (unexpected prefix \(String(format: "%02x", byte)))", category: .session)
+        }
+
+        if result.reset {
+            SecureLogger.error("❌ Invalid BLE frame length; reset notification stream", category: .session)
+        }
+
+        for frame in result.frames {
+            guard let packet = BinaryProtocol.decode(frame) else {
+                let prefix = frame.prefix(16).map { String(format: "%02x", $0) }.joined(separator: " ")
+                SecureLogger.error("❌ Failed to decode assembled notification frame (len=\(frame.count), prefix=\(prefix))", category: .session)
+                continue
+            }
+            processNotificationPacket(packet, from: peripheral, peripheralUUID: peripheralUUID)
+        }
+    }
+
+    private func processNotificationPacket(_ packet: BitchatPacket, from peripheral: CBPeripheral, peripheralUUID: String) {
         let senderID = packet.senderID.hexEncodedString()
-        // Only log non-announce packets
+
         if packet.type != MessageType.announce.rawValue {
             SecureLogger.debug("📦 Decoded notification packet type: \(packet.type) from sender: \(senderID)", category: .session)
         }
 
-        let peripheralUUID = peripheral.identifier.uuidString
-        
-        // Update mapping ONLY for announce packets that come directly from the peer (not relayed)
         if packet.type == MessageType.announce.rawValue {
-            // Only update mapping if this is a direct announce (TTL == messageTTL means not relayed)
             if packet.ttl == messageTTL {
                 if var state = peripherals[peripheralUUID] {
                     state.peerID = senderID
                     peripherals[peripheralUUID] = state
                 }
                 peerToPeripheralUUID[senderID] = peripheralUUID
-                // Mapping update - direct announce from peer
             }
-            // Record ingress link for last-hop suppression and process
+
             let msgID = makeMessageID(for: packet)
             collectionsQueue.async(flags: .barrier) { [weak self] in
                 self?.ingressByMessageID[msgID] = (.peripheral(peripheralUUID), Date())
             }
-            // Process the announce packet regardless of whether we updated the mapping
             handleReceivedPacket(packet, from: senderID)
         } else {
-            // For non-announce packets, DO NOT update mappings
-            // These could be relayed packets from other peers
-            // Always use the packet's original senderID
-            // Record ingress link for last-hop suppression and process
             let msgID = makeMessageID(for: packet)
             collectionsQueue.async(flags: .barrier) { [weak self] in
                 self?.ingressByMessageID[msgID] = (.peripheral(peripheralUUID), Date())

bitchat/Services/KeychainManager.swift

@@ -282,6 +282,7 @@ final class KeychainManager: KeychainManagerProtocol {
             "com.bitchat.deviceidentity", 
             "com.bitchat.noise.identity",
             "chat.bitchat.passwords",
+            "chat.bitchat.nostr",
             "bitchat.keychain",
             "bitchat",
             "com.bitchat"

bitchat/Services/LocationNotesCounter.swift

@@ -1,5 +1,34 @@
+import BitLogger
 import Foundation
 
+struct LocationNotesCounterDependencies {
+    typealias RelayLookup = @MainActor (_ geohash: String, _ count: Int) -> [String]
+    typealias Subscribe = @MainActor (_ filter: NostrFilter, _ id: String, _ relays: [String], _ handler: @escaping (NostrEvent) -> Void, _ onEOSE: (() -> Void)?) -> Void
+    typealias Unsubscribe = @MainActor (_ id: String) -> Void
+
+    var relayLookup: RelayLookup
+    var subscribe: Subscribe
+    var unsubscribe: Unsubscribe
+
+    static let live = LocationNotesCounterDependencies(
+        relayLookup: { geohash, count in
+            GeoRelayDirectory.shared.closestRelays(toGeohash: geohash, count: count)
+        },
+        subscribe: { filter, id, relays, handler, onEOSE in
+            NostrRelayManager.shared.subscribe(
+                filter: filter,
+                id: id,
+                relayUrls: relays,
+                handler: handler,
+                onEOSE: onEOSE
+            )
+        },
+        unsubscribe: { id in
+            NostrRelayManager.shared.unsubscribe(id: id)
+        }
+    )
+}
+
 /// Lightweight background counter for location notes (kind 1) at building-level geohash (8 chars).
 @MainActor
 final class LocationNotesCounter: ObservableObject {
@@ -8,29 +37,45 @@ final class LocationNotesCounter: ObservableObject {
     @Published private(set) var geohash: String? = nil
     @Published private(set) var count: Int? = 0
     @Published private(set) var initialLoadComplete: Bool = false
+    @Published private(set) var relayAvailable: Bool = true
 
     private var subscriptionID: String? = nil
     private var noteIDs = Set<String>()
+    private let dependencies: LocationNotesCounterDependencies
 
-    private init() {}
+    private init(dependencies: LocationNotesCounterDependencies = .live) {
+        self.dependencies = dependencies
+    }
+
+    init(testDependencies: LocationNotesCounterDependencies) {
+        self.dependencies = testDependencies
+    }
 
     func subscribe(geohash gh: String) {
         let norm = gh.lowercased()
         if geohash == norm, subscriptionID != nil { return }
         // Unsubscribe previous without clearing count to avoid flicker
-        if let sub = subscriptionID { NostrRelayManager.shared.unsubscribe(id: sub) }
+        if let sub = subscriptionID { dependencies.unsubscribe(sub) }
         subscriptionID = nil
         geohash = norm
         noteIDs.removeAll()
         initialLoadComplete = false
+        relayAvailable = true
 
         // Subscribe only to the building geohash (precision 8)
         let subID = "locnotes-count-\(norm)-\(UUID().uuidString.prefix(6))"
+        let relays = dependencies.relayLookup(norm, TransportConfig.nostrGeoRelayCount)
+        guard !relays.isEmpty else {
+            relayAvailable = false
+            initialLoadComplete = true
+            count = 0
+            SecureLogger.warning("LocationNotesCounter: no geo relays for geohash=\(norm)", category: .session)
+            return
+        }
+
         subscriptionID = subID
         let filter = NostrFilter.geohashNotes(norm, since: nil, limit: 500)
-        let relays = GeoRelayDirectory.shared.closestRelays(toGeohash: norm, count: TransportConfig.nostrGeoRelayCount)
+        dependencies.subscribe(filter, subID, relays, { [weak self] event in
-        let relayUrls: [String]? = relays.isEmpty ? nil : relays
-        NostrRelayManager.shared.subscribe(filter: filter, id: subID, relayUrls: relayUrls, handler: { [weak self] event in
             guard let self = self else { return }
             guard event.kind == NostrProtocol.EventKind.textNote.rawValue else { return }
             guard event.tags.contains(where: { $0.count >= 2 && $0[0].lowercased() == "g" && $0[1].lowercased() == norm }) else { return }
@@ -38,16 +83,17 @@ final class LocationNotesCounter: ObservableObject {
                 self.noteIDs.insert(event.id)
                 self.count = self.noteIDs.count
             }
-        }, onEOSE: { [weak self] in
+        }, { [weak self] in
             self?.initialLoadComplete = true
         })
     }
 
     func cancel() {
-        if let sub = subscriptionID { NostrRelayManager.shared.unsubscribe(id: sub) }
+        if let sub = subscriptionID { dependencies.unsubscribe(sub) }
         subscriptionID = nil
         geohash = nil
         count = 0
         noteIDs.removeAll()
+        relayAvailable = true
     }
 }

bitchat/Services/LocationNotesManager.swift

@@ -1,10 +1,57 @@
 import BitLogger
 import Foundation
 
-/// Persistent location notes (Nostr kind 1) scoped to a street-level geohash (precision 7).
+/// Dependencies for location notes, allowing tests to stub relay/identity behavior.
+struct LocationNotesDependencies {
+    typealias RelayLookup = @MainActor (_ geohash: String, _ count: Int) -> [String]
+    typealias Subscribe = @MainActor (_ filter: NostrFilter, _ id: String, _ relays: [String], _ handler: @escaping (NostrEvent) -> Void, _ onEOSE: (() -> Void)?) -> Void
+    typealias Unsubscribe = @MainActor (_ id: String) -> Void
+    typealias SendEvent = @MainActor (_ event: NostrEvent, _ relayUrls: [String]) -> Void
+
+    var relayLookup: RelayLookup
+    var subscribe: Subscribe
+    var unsubscribe: Unsubscribe
+    var sendEvent: SendEvent
+    var deriveIdentity: (_ geohash: String) throws -> NostrIdentity
+    var now: () -> Date
+
+    static let live = LocationNotesDependencies(
+        relayLookup: { geohash, count in
+            GeoRelayDirectory.shared.closestRelays(toGeohash: geohash, count: count)
+        },
+        subscribe: { filter, id, relays, handler, onEOSE in
+            NostrRelayManager.shared.subscribe(
+                filter: filter,
+                id: id,
+                relayUrls: relays,
+                handler: handler,
+                onEOSE: onEOSE
+            )
+        },
+        unsubscribe: { id in
+            NostrRelayManager.shared.unsubscribe(id: id)
+        },
+        sendEvent: { event, relays in
+            NostrRelayManager.shared.sendEvent(event, to: relays)
+        },
+        deriveIdentity: { geohash in
+            try NostrIdentityBridge.deriveIdentity(forGeohash: geohash)
+        },
+        now: { Date() }
+    )
+}
+
+/// Persistent location notes (Nostr kind 1) scoped to a building-level geohash (precision 8).
 /// Subscribes to and publishes notes for a given geohash and provides a send API.
 @MainActor
 final class LocationNotesManager: ObservableObject {
+    enum State: Equatable {
+        case idle
+        case loading
+        case ready
+        case noRelays
+    }
+
     struct Note: Identifiable, Equatable {
         let id: String
         let pubkey: String
@@ -24,10 +71,14 @@ final class LocationNotesManager: ObservableObject {
     @Published private(set) var notes: [Note] = [] // reverse-chron sorted
     @Published private(set) var geohash: String
     @Published private(set) var initialLoadComplete: Bool = false
+    @Published private(set) var state: State = .loading
+    @Published private(set) var errorMessage: String?
     private var subscriptionID: String?
+    private let dependencies: LocationNotesDependencies
 
-    init(geohash: String) {
+    init(geohash: String, dependencies: LocationNotesDependencies = .live) {
         self.geohash = geohash.lowercased()
+        self.dependencies = dependencies
         subscribe()
     }
 
@@ -35,7 +86,7 @@ final class LocationNotesManager: ObservableObject {
         let norm = newGeohash.lowercased()
         guard norm != geohash else { return }
         if let sub = subscriptionID {
-            NostrRelayManager.shared.unsubscribe(id: sub)
+            dependencies.unsubscribe(sub)
             subscriptionID = nil
         }
         geohash = norm
@@ -43,15 +94,43 @@ final class LocationNotesManager: ObservableObject {
         subscribe()
     }
 
+    func refresh() {
+        if let sub = subscriptionID {
+            dependencies.unsubscribe(sub)
+            subscriptionID = nil
+        }
+        notes.removeAll()
+        subscribe()
+    }
+
+    func clearError() {
+        errorMessage = nil
+    }
+
     private func subscribe() {
+        state = .loading
+        errorMessage = nil
+        if let sub = subscriptionID {
+            dependencies.unsubscribe(sub)
+            subscriptionID = nil
+        }
         let subID = "locnotes-\(geohash)-\(UUID().uuidString.prefix(8))"
+        let relays = dependencies.relayLookup(geohash, TransportConfig.nostrGeoRelayCount)
+        guard !relays.isEmpty else {
+            subscriptionID = nil
+            initialLoadComplete = true
+            state = .noRelays
+            errorMessage = "No geo relays available near this location. Try again soon."
+            SecureLogger.warning("LocationNotesManager: no geo relays for geohash=\(geohash)", category: .session)
+            return
+        }
+
         subscriptionID = subID
+        initialLoadComplete = false
         // For persistent notes, allow relays to return recent history without an aggressive time cutoff
         let filter = NostrFilter.geohashNotes(geohash, since: nil, limit: 200)
-        let relays = GeoRelayDirectory.shared.closestRelays(toGeohash: geohash, count: TransportConfig.nostrGeoRelayCount)
+
-        let relayUrls: [String]? = relays.isEmpty ? nil : relays
+        dependencies.subscribe(filter, subID, relays, { [weak self] event in
-        initialLoadComplete = false
-        NostrRelayManager.shared.subscribe(filter: filter, id: subID, relayUrls: relayUrls, handler: { [weak self] event in
             guard let self = self else { return }
             guard event.kind == NostrProtocol.EventKind.textNote.rawValue else { return }
             // Ensure matching tag
@@ -62,8 +141,13 @@ final class LocationNotesManager: ObservableObject {
             let note = Note(id: event.id, pubkey: event.pubkey, content: event.content, createdAt: ts, nickname: nick)
             self.notes.append(note)
             self.notes.sort { $0.createdAt > $1.createdAt }
-        }, onEOSE: { [weak self] in
+            self.state = .ready
-            self?.initialLoadComplete = true
+        }, { [weak self] in
+            guard let self = self else { return }
+            self.initialLoadComplete = true
+            if self.state != .noRelays {
+                self.state = .ready
+            }
         })
     }
 
@@ -71,29 +155,46 @@ final class LocationNotesManager: ObservableObject {
     func send(content: String, nickname: String) {
         let trimmed = content.trimmingCharacters(in: .whitespacesAndNewlines)
         guard !trimmed.isEmpty else { return }
+        let relays = dependencies.relayLookup(geohash, TransportConfig.nostrGeoRelayCount)
+        guard !relays.isEmpty else {
+            state = .noRelays
+            errorMessage = "No geo relays available near this location. Try again soon."
+            SecureLogger.warning("LocationNotesManager: send blocked, no geo relays for geohash=\(geohash)", category: .session)
+            return
+        }
         do {
-            let id = try NostrIdentityBridge.deriveIdentity(forGeohash: geohash)
+            let id = try dependencies.deriveIdentity(geohash)
             let event = try NostrProtocol.createGeohashTextNote(
                 content: trimmed,
                 geohash: geohash,
                 senderIdentity: id,
                 nickname: nickname
             )
-            let relays = GeoRelayDirectory.shared.closestRelays(toGeohash: geohash, count: TransportConfig.nostrGeoRelayCount)
+            dependencies.sendEvent(event, relays)
-            NostrRelayManager.shared.sendEvent(event, to: relays)
             // Optimistic local-echo
-            let echo = Note(id: event.id, pubkey: id.publicKeyHex, content: trimmed, createdAt: Date(), nickname: nickname)
+            let echo = Note(
+                id: event.id,
+                pubkey: id.publicKeyHex,
+                content: trimmed,
+                createdAt: dependencies.now(),
+                nickname: nickname
+            )
             self.notes.insert(echo, at: 0)
+            self.state = .ready
+            self.errorMessage = nil
         } catch {
             SecureLogger.error("LocationNotesManager: failed to send note: \(error)", category: .session)
+            errorMessage = "Failed to send note. \(error.localizedDescription)"
         }
     }
 
     /// Explicitly cancel subscription and release resources.
     func cancel() {
         if let sub = subscriptionID {
-            NostrRelayManager.shared.unsubscribe(id: sub)
+            dependencies.unsubscribe(sub)
             subscriptionID = nil
         }
+        state = .idle
+        errorMessage = nil
     }
 }

bitchat/Services/NetworkActivationService.swift

@@ -10,9 +10,12 @@ final class NetworkActivationService: ObservableObject {
     static let shared = NetworkActivationService()
 
     @Published private(set) var activationAllowed: Bool = false
+    @Published private(set) var userTorEnabled: Bool = true
 
     private var cancellables = Set<AnyCancellable>()
     private var started = false
+    private let torPreferenceKey = "networkActivationService.userTorEnabled"
+    private var torAutoStartDesired: Bool = false
 
     private init() {}
 
@@ -20,9 +23,23 @@ final class NetworkActivationService: ObservableObject {
         guard !started else { return }
         started = true
 
+        if let stored = UserDefaults.standard.object(forKey: torPreferenceKey) as? Bool {
+            userTorEnabled = stored
+        } else {
+            userTorEnabled = true
+        }
+
         // Initial compute
-        activationAllowed = Self.computeAllowed()
+        let allowed = basePolicyAllowed()
-        TorManager.shared.setAutoStartAllowed(activationAllowed)
+        activationAllowed = allowed
+        torAutoStartDesired = allowed && userTorEnabled
+        TorManager.shared.setAutoStartAllowed(torAutoStartDesired)
+        applyTorState(torDesired: torAutoStartDesired)
+        if allowed {
+            NostrRelayManager.shared.connect()
+        } else {
+            NostrRelayManager.shared.disconnect()
+        }
 
         // React to location permission changes
         LocationChannelManager.shared.$permissionState
@@ -41,30 +58,56 @@ final class NetworkActivationService: ObservableObject {
             .store(in: &cancellables)
     }
 
+    func setUserTorEnabled(_ enabled: Bool) {
+        guard enabled != userTorEnabled else { return }
+        userTorEnabled = enabled
+        UserDefaults.standard.set(enabled, forKey: torPreferenceKey)
+        NotificationCenter.default.post(
+            name: .TorUserPreferenceChanged,
+            object: nil,
+            userInfo: ["enabled": enabled]
+        )
+        reevaluate()
+    }
+
     private func reevaluate() {
-        let allowed = Self.computeAllowed()
+        let allowed = basePolicyAllowed()
-        if allowed != activationAllowed {
+        let torDesired = allowed && userTorEnabled
+        let statusChanged = allowed != activationAllowed
+        let torChanged = torDesired != torAutoStartDesired
+        if statusChanged {
             SecureLogger.info("NetworkActivationService: activationAllowed -> \(allowed)", category: .session)
             activationAllowed = allowed
-            TorManager.shared.setAutoStartAllowed(allowed)
+        }
+        if statusChanged || torChanged {
+            torAutoStartDesired = torDesired
+            TorManager.shared.setAutoStartAllowed(torDesired)
+            applyTorState(torDesired: torDesired)
+        }
+
         if allowed {
-                // Kick Tor + relays if we're now permitted
+            if torChanged {
-                TorManager.shared.startIfNeeded()
+                // Reset relay sockets when switching transport path (Tor ↔︎ direct)
-                // If app is in foreground, begin relay connections
-                if TorManager.shared.isForeground() {
-                    NostrRelayManager.shared.connect()
-                }
-            } else {
-                // Transitioned to disallowed: disconnect relays and shut down Tor
                 NostrRelayManager.shared.disconnect()
-                TorManager.shared.goDormantOnBackground()
             }
+            NostrRelayManager.shared.connect()
+        } else if statusChanged {
+            NostrRelayManager.shared.disconnect()
         }
     }
 
-    private static func computeAllowed() -> Bool {
+    private func basePolicyAllowed() -> Bool {
         let permOK = LocationChannelManager.shared.permissionState == .authorized
         let hasMutual = !FavoritesPersistenceService.shared.mutualFavorites.isEmpty
         return permOK || hasMutual
     }
+
+    private func applyTorState(torDesired: Bool) {
+        TorURLSession.shared.setProxyMode(useTor: torDesired)
+        if torDesired {
+            TorManager.shared.startIfNeeded()
+        } else {
+            TorManager.shared.shutdownCompletely()
+        }
+    }
 }

bitchat/Services/NoiseEncryptionService.swift

@@ -62,7 +62,6 @@
 /// ## Integration Points
 /// - **BLEService**: Calls this service for all private messages
 /// - **ChatViewModel**: Monitors encryption status for UI indicators
-/// - **NoiseHandshakeCoordinator**: Prevents handshake race conditions
 /// - **KeychainManager**: Secure storage for identity keys
 ///
 /// ## Thread Safety
@@ -527,6 +526,15 @@ final class NoiseEncryptionService {
         SecureLogger.info(.sessionExpired(peerID: peerID))
     }
 
+    func clearEphemeralStateForPanic() {
+        sessionManager.removeAllSessions()
+        serviceQueue.sync(flags: .barrier) {
+            peerFingerprints.removeAll()
+            fingerprintToPeerID.removeAll()
+        }
+        rateLimiter.resetAll()
+    }
+    
     // MARK: - Private Helpers
     
     private func handleSessionEstablished(peerID: String, remoteStaticKey: Curve25519.KeyAgreement.PublicKey) {

bitchat/Services/RelayController.swift

@@ -18,13 +18,17 @@ struct RelayController {
                        isAnnounce: Bool,
                        degree: Int,
                        highDegreeThreshold: Int) -> RelayDecision {
+        let ttlCap = min(ttl, TransportConfig.messageTTLDefault)
+
         // Suppress obvious non-relays
-        if ttl <= 1 || senderIsSelf { return RelayDecision(shouldRelay: false, newTTL: ttl, delayMs: 0) }
+        if ttlCap <= 1 || senderIsSelf {
+            return RelayDecision(shouldRelay: false, newTTL: ttlCap, delayMs: 0)
+        }
 
         // For session-critical or directed traffic, be deterministic and reliable
         if isHandshake || isDirectedFragment || isDirectedEncrypted {
             // Always relay with no TTL cap for these types
-            let newTTL = (ttl &- 1)
+            let newTTL = ttlCap &- 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
@@ -32,28 +36,17 @@ struct RelayController {
             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
-        case 3...4: baseProb = 0.9
-        case 5...6: baseProb = 0.7
-        case 7...9: baseProb = 0.55
-        default:    baseProb = 0.45
-        }
-        let prob = baseProb
-        let shouldRelay = Double.random(in: 0...1) <= prob
-
         // TTL clamping for broadcast
-        // - Dense graphs: keep very low to avoid floods
+        // - Dense graphs: keep lower but still allow multi-hop bridging
-        // - Sparse graphs: allow slightly longer reach for multi-hop discovery
+        // - Announces get a bit more headroom
-        // - Announces in sparse graphs get a bit more headroom
+        let ttlLimit: UInt8 = {
-        let ttlCap: UInt8 = {
+            if degree >= highDegreeThreshold {
-            if degree >= highDegreeThreshold { return 3 }
+                return max(UInt8(2), min(ttlCap, UInt8(5)))
-            return isAnnounce ? 7 : 6
+            }
+            let preferred = UInt8(isAnnounce ? 7 : 6)
+            return max(UInt8(2), min(ttlCap, preferred))
         }()
-        let clamped = max(1, min(ttl, ttlCap))
+        let newTTL = ttlLimit &- 1
-        let newTTL = clamped &- 1
 
         // Wider jitter window to allow duplicate suppression to win more often
         // For sparse graphs (<=2), relay quickly to avoid cancellation races
@@ -64,6 +57,6 @@ struct RelayController {
         case 6...9: delayMs = Int.random(in: 80...180)
         default:    delayMs = Int.random(in: 100...220)
         }
-        return RelayDecision(shouldRelay: shouldRelay, newTTL: newTTL, delayMs: delayMs)
+        return RelayDecision(shouldRelay: true, newTTL: newTTL, delayMs: delayMs)
     }
 }

bitchat/Services/Tor/TorManager.swift

@@ -68,6 +68,7 @@ final class TorManager: ObservableObject {
     private var controlMonitorStarted = false
     private var pathMonitor: NWPathMonitor?
     private var isAppForeground: Bool = true
+    private var isDormant: Bool = false
     private var lastRestartAt: Date? = nil
     // Global policy gate: only allow Tor to start when true
     private(set) var allowAutoStart: Bool = false
@@ -83,6 +84,7 @@ final class TorManager: ObservableObject {
         guard isAppForeground else { return }
         guard !didStart else { return }
         didStart = true
+        isDormant = false
         isStarting = true
         lastError = nil
         // Announce initial start so UI can show a status message
@@ -492,18 +494,39 @@ final class TorManager: ObservableObject {
                 return true
             }
             if !claimed { return }
+            if await self.resumeTorIfPossible() {
+                await MainActor.run {
+                    self.restarting = false
+                    self.isStarting = false
+                }
+                return
+            }
             await self.restartTor()
             await MainActor.run { self.restarting = false }
         }
     }
 
     func goDormantOnBackground() {
-        // Stricter model: fully stop Tor when app backgrounds to save power
+        // Prefer Tor's DORMANT mode so we can resume on foreground without a full restart.
-        // and avoid half-suspended states. We'll restart cleanly on .active.
+        // If the control port is unreachable, fall back to a hard shutdown.
         Task.detached { [weak self] in
             guard let self = self else { return }
+            let signaled = await self.controlSendSignal("DORMANT")
+            if signaled {
+                SecureLogger.info("TorManager: signalled DORMANT", category: .session)
+                await MainActor.run {
+                    self.isDormant = true
+                    self.isReady = false
+                    self.socksReady = false
+                    self.isStarting = false
+                }
+                return
+            }
+
+            SecureLogger.warning("TorManager: DORMANT signal failed; shutting down", category: .session)
             _ = tor_host_shutdown()
             await MainActor.run {
+                self.isDormant = false
                 self.isReady = false
                 self.socksReady = false
                 self.bootstrapProgress = 0
@@ -516,6 +539,24 @@ final class TorManager: ObservableObject {
         }
     }
 
+    func shutdownCompletely() {
+        Task.detached { [weak self] in
+            guard let self = self else { return }
+            _ = tor_host_shutdown()
+            await MainActor.run {
+                self.isDormant = false
+                self.isReady = false
+                self.socksReady = false
+                self.bootstrapProgress = 0
+                self.bootstrapSummary = ""
+                self.isStarting = false
+                self.didStart = false
+                self.restarting = false
+                self.controlMonitorStarted = false
+            }
+        }
+    }
+
     private func restartTor() async {
         await MainActor.run {
             // Announce restart so UI can notify the user
@@ -525,14 +566,28 @@ final class TorManager: ObservableObject {
             self.bootstrapProgress = 0
             self.bootstrapSummary = ""
             self.isStarting = true
+            self.isDormant = false
             self.lastRestartAt = Date()
         }
         // Prefer clean shutdown via owning controller FD; join the tor thread
         _ = tor_host_shutdown()
         // As a fallback, try control signal if needed (harmless if tor already down)
         _ = await controlSendSignal("SHUTDOWN")
+        // Allow Tor thread to fully terminate before re-starting.
+        var waited = 0
+        while tor_host_is_running() != 0 && waited < 40 {
+            try? await Task.sleep(nanoseconds: 100_000_000) // 100ms
+            waited += 1
+        }
+        if waited >= 40 {
+            SecureLogger.warning("TorManager: tor_host_is_running still true before restart", category: .session)
+        }
+        // Allow control monitor and start logic to reinitialize cleanly
+        await MainActor.run {
+            self.controlMonitorStarted = false
+            self.didStart = false
+        }
         // Now start fresh
-        await MainActor.run { self.didStart = false }
         await MainActor.run { self.startIfNeeded() }
     }
 
@@ -598,6 +653,62 @@ final class TorManager: ObservableObject {
         return (text?.contains("250")) == true
     }
 
+    private func resumeTorIfPossible() async -> Bool {
+        let wasDormant = await MainActor.run { self.isDormant }
+        let pendingReady = await MainActor.run { self.socksReady && !self.isReady }
+        let needsWake = wasDormant || pendingReady
+        if !needsWake {
+            return false
+        }
+
+        let activated = await controlSendSignal("ACTIVE")
+        let pinged = await controlPingBootstrap(timeout: 3.0)
+        if !activated && !pinged {
+            SecureLogger.warning("TorManager: ACTIVE signal failed", category: .session)
+            return false
+        }
+
+        if let info = await controlGetBootstrapInfo() {
+            await MainActor.run {
+                self.bootstrapProgress = info.progress
+                self.bootstrapSummary = info.summary
+            }
+        }
+
+        await MainActor.run {
+            self.isDormant = false
+            self.isStarting = true
+            self.socksReady = false
+        }
+
+        let firstReady = await waitForSocksReady(timeout: 12.0)
+        if firstReady {
+            await MainActor.run {
+                self.socksReady = true
+                self.isStarting = false
+            }
+            SecureLogger.info("TorManager: resumed Tor via ACTIVE signal", category: .session)
+            return true
+        }
+
+        if pinged {
+            let secondReady = await waitForSocksReady(timeout: 20.0)
+            await MainActor.run {
+                self.socksReady = secondReady
+                self.isStarting = !secondReady
+            }
+            if secondReady {
+                SecureLogger.info("TorManager: resumed Tor after extended wait", category: .session)
+                return true
+            }
+        } else {
+            await MainActor.run { self.isStarting = false }
+        }
+
+        SecureLogger.warning("TorManager: ACTIVE resume failed; will restart", category: .session)
+        return false
+    }
+
     private func controlExchange(lines: [String], timeout: TimeInterval) async -> String? {
         guard let cookiePath = dataDirectoryURL()?.appendingPathComponent("control_auth_cookie"),
               let cookie = try? Data(contentsOf: cookiePath) else { return nil }

bitchat/Services/Tor/TorNotifications.swift

@@ -4,4 +4,5 @@ extension Notification.Name {
     static let TorDidBecomeReady = Notification.Name("TorDidBecomeReady")
     static let TorWillRestart = Notification.Name("TorWillRestart")
     static let TorWillStart = Notification.Name("TorWillStart")
+    static let TorUserPreferenceChanged = Notification.Name("TorUserPreferenceChanged")
 }

bitchat/Services/Tor/TorURLSession.swift

@@ -4,43 +4,34 @@ import CFNetwork
 #endif
 
 /// Provides a shared URLSession that routes traffic via Tor's SOCKS5 proxy
-/// when Tor is enforced/ready. Falls back to a default session only when
+/// when Tor is enforced/ready. Allows swapping between proxied and direct
-/// compiled with the `BITCHAT_DEV_ALLOW_CLEARNET` flag.
+/// sessions so UI can toggle Tor usage at runtime.
 final class TorURLSession {
     static let shared = TorURLSession()
 
-    // Default (no proxy) session for local development when dev bypass is enabled.
+    // Default (no proxy) session for direct Nostr access when Tor is disabled.
-    private var defaultSession: URLSession = {
+    private var defaultSession: URLSession = TorURLSession.makeDefaultSession()
-        let cfg = URLSessionConfiguration.default
-        cfg.waitsForConnectivity = true
-        return URLSession(configuration: cfg)
-    }()
 
     // Proxied (SOCKS5) session that routes through Tor.
     private var torSession: URLSession = TorURLSession.makeTorSession()
+    private var useTorProxy: Bool = true
 
     var session: URLSession {
-        #if BITCHAT_DEV_ALLOW_CLEARNET
+        useTorProxy ? torSession : defaultSession
-        // Dev bypass: use direct session. Call sites may still await Tor if desired.
-        return defaultSession
-        #else
-        // Production: always use the Tor-proxied session. Call sites ensure readiness.
-        return torSession
-        #endif
     }
 
     // Recreate sessions so new clients bind to the fresh SOCKS/control ports after a Tor restart.
     func rebuild() {
-        #if BITCHAT_DEV_ALLOW_CLEARNET
+        defaultSession = TorURLSession.makeDefaultSession()
-        defaultSession = {
-            let cfg = URLSessionConfiguration.default
-            cfg.waitsForConnectivity = true
-            return URLSession(configuration: cfg)
-        }()
-        #endif
         torSession = TorURLSession.makeTorSession()
     }
 
+    func setProxyMode(useTor: Bool) {
+        guard useTorProxy != useTor else { return }
+        useTorProxy = useTor
+        rebuild()
+    }
+
     private static func makeTorSession() -> URLSession {
         let cfg = URLSessionConfiguration.ephemeral
         cfg.waitsForConnectivity = true
@@ -63,4 +54,10 @@ final class TorURLSession {
         #endif
         return URLSession(configuration: cfg)
     }
+
+    private static func makeDefaultSession() -> URLSession {
+        let cfg = URLSessionConfiguration.default
+        cfg.waitsForConnectivity = true
+        return URLSession(configuration: cfg)
+    }
 }

bitchat/Services/TransportConfig.swift

@@ -188,7 +188,7 @@ enum TransportConfig {
     static let uiWindowStepCount: Int = 200
 
     // Share extension
-    static let uiShareExtensionDismissDelaySeconds: TimeInterval = 0.3
+    static let uiShareExtensionDismissDelaySeconds: TimeInterval = 2.0
     static let uiShareAcceptWindowSeconds: TimeInterval = 30.0
     static let uiMigrationCutoffSeconds: TimeInterval = 24 * 60 * 60
 }

bitchat/Sync/GCSFilter.swift

@@ -4,7 +4,7 @@ import CryptoKit
 // Golomb-Coded Set (GCS) filter utilities for sync.
 // Hashing:
 //  - Packet ID is 16 bytes (see PacketIdUtil). For GCS mapping, use h64 = first 8 bytes of SHA-256 over the 16-byte ID.
-//  - Map to [0, M) via (h64 % M).
+//  - Map to [1, M) by computing (h64 % M) and remapping 0 -> 1 to avoid zero-length deltas.
 // Encoding (v1):
 //  - Sort mapped values ascending; encode deltas (first is v0, then vi - v{i-1}) as positive integers x >= 1.
 //  - Golomb-Rice with parameter P: q = (x - 1) >> P encoded as unary (q ones then a zero), then write P-bit remainder r = (x - 1) & ((1<<P)-1).
@@ -29,25 +29,40 @@ enum GCSFilter {
 
     static func buildFilter(ids: [Data], maxBytes: Int, targetFpr: Double) -> Params {
         let p = deriveP(targetFpr: targetFpr)
+        guard !ids.isEmpty else {
+            return Params(p: p, m: 1, data: Data())
+        }
+
         let cap = estimateMaxElements(sizeBytes: maxBytes, p: p)
-        let n = min(ids.count, cap)
+        let selected = Array(ids.prefix(cap))
-        let selected = Array(ids.prefix(n))
+        let range = max(1, hashRange(count: selected.count, p: p))
-        // Map to [0, M)
+        let modulo = UInt64(range)
-        let mInit = UInt32(n << p)
+
-        var mapped = selected.map { id16 -> UInt64 in
+        var mapped = selected
-            let h = h64(id16)
+            .map { h64($0) }
-            return UInt64(h % UInt64(max(1, mInit)))
+            .map { mapHash($0, modulo: modulo) }
-        }.sorted()
+            .sorted()
+        mapped = normalizeMappedValues(mapped, modulo: modulo)
+
+        if mapped.isEmpty {
+            return Params(p: p, m: range, data: Data())
+        }
+
         var encoded = encode(sorted: mapped, p: p)
-        var trimmedN = n
+        var trimmedCount = mapped.count
-        // Trim if over budget
+
-        while encoded.count > maxBytes && trimmedN > 0 {
+        while encoded.count > maxBytes && trimmedCount > 0 {
-            trimmedN = (trimmedN * 9) / 10 // drop ~10%
+            if trimmedCount == 1 {
-            mapped = Array(mapped.prefix(trimmedN))
+                mapped.removeAll()
+                encoded = Data()
+                break
+            }
+            trimmedCount = max(1, (trimmedCount * 9) / 10)
+            mapped = Array(mapped.prefix(trimmedCount))
             encoded = encode(sorted: mapped, p: p)
         }
-        let finalM = UInt32(max(1, trimmedN << p))
+
-        return Params(p: p, m: finalM, data: encoded)
+        return Params(p: p, m: range, data: encoded)
     }
 
     static func decodeToSortedSet(p: Int, m: UInt32, data: Data) -> [UInt64] {
@@ -77,6 +92,12 @@ enum GCSFilter {
         return false
     }
 
+    static func bucket(for id: Data, modulus m: UInt32) -> UInt64 {
+        let modulo = UInt64(max(1, m))
+        guard modulo > 1 else { return 0 }
+        return mapHash(h64(id), modulo: modulo)
+    }
+
     private static func h64(_ id16: Data) -> UInt64 {
         var hasher = SHA256()
         hasher.update(data: id16)
@@ -88,6 +109,39 @@ enum GCSFilter {
         return x & 0x7fff_ffff_ffff_ffff
     }
 
+    private static func hashRange(count: Int, p: Int) -> UInt32 {
+        guard count > 0 else { return 1 }
+        if p >= 64 { return UInt32.max }
+        let multiplier = UInt64(1) << UInt64(p)
+        let (product, overflow) = UInt64(count).multipliedReportingOverflow(by: multiplier)
+        if overflow { return UInt32.max }
+        if product == 0 { return 1 }
+        return product > UInt64(UInt32.max) ? UInt32.max : UInt32(product)
+    }
+
+    private static func mapHash(_ hash: UInt64, modulo: UInt64) -> UInt64 {
+        guard modulo > 1 else { return 0 }
+        let value = hash % modulo
+        if value == 0 { return 1 }
+        return value
+    }
+
+    private static func normalizeMappedValues(_ values: [UInt64], modulo: UInt64) -> [UInt64] {
+        guard modulo > 1 else { return [] }
+        guard !values.isEmpty else { return [] }
+        var result: [UInt64] = []
+        result.reserveCapacity(values.count)
+        var last: UInt64 = 0
+        for value in values {
+            let normalized = min(value, modulo - 1)
+            if normalized > last {
+                result.append(normalized)
+                last = normalized
+            }
+        }
+        return result
+    }
+
     private static func encode(sorted: [UInt64], p: Int) -> Data {
         let writer = BitWriter()
         var prev: UInt64 = 0

bitchat/Sync/GossipSyncManager.swift

@@ -1,5 +1,4 @@
 import Foundation
-import CryptoKit
 
 // Gossip-based sync manager using on-demand GCS filters
 final class GossipSyncManager {
@@ -53,6 +52,12 @@ final class GossipSyncManager {
     }
 
     func onPublicPacketSeen(_ packet: BitchatPacket) {
+        queue.async { [weak self] in
+            self?._onPublicPacketSeen(packet)
+        }
+    }
+
+    private func _onPublicPacketSeen(_ packet: BitchatPacket) {
         let mt = MessageType(rawValue: packet.type)
         let isBroadcastRecipient: Bool = {
             guard let r = packet.recipientID else { return true }
@@ -119,18 +124,17 @@ final class GossipSyncManager {
     }
 
     func handleRequestSync(fromPeerID: String, request: RequestSyncPacket) {
+        queue.async { [weak self] in
+            self?._handleRequestSync(fromPeerID: fromPeerID, request: request)
+        }
+    }
+
+    private func _handleRequestSync(fromPeerID: String, request: RequestSyncPacket) {
         // Decode GCS into sorted set and prepare membership checker
         let sorted = GCSFilter.decodeToSortedSet(p: request.p, m: request.m, data: request.data)
         func mightContain(_ id: Data) -> Bool {
-            var hasher = SHA256()
+            let bucket = GCSFilter.bucket(for: id, modulus: request.m)
-            hasher.update(data: id) // 16-byte PacketId
+            return GCSFilter.contains(sortedValues: sorted, candidate: bucket)
-            let digest = hasher.finalize()
-            let db = Data(digest)
-            var x: UInt64 = 0
-            let take = min(8, db.count)
-            for i in 0..<take { x = (x << 8) | UInt64(db[i]) }
-            let v = (x & 0x7fff_ffff_ffff_ffff) % UInt64(request.m)
-            return GCSFilter.contains(sortedValues: sorted, candidate: v)
         }
 
         // 1) Announcements: send latest per peer if requester lacks them
@@ -182,6 +186,12 @@ final class GossipSyncManager {
 
     // Explicit removal hook for LEAVE/stale peer
     func removeAnnouncementForPeer(_ peerID: String) {
+        queue.async { [weak self] in
+            self?._removeAnnouncementForPeer(peerID)
+        }
+    }
+
+    private func _removeAnnouncementForPeer(_ peerID: String) {
         let normalizedPeerID = peerID.lowercased()
         _ = latestAnnouncementByPeer.removeValue(forKey: normalizedPeerID)
 

bitchat/Utils/Font+Bitchat.swift

@@ -0,0 +1,37 @@
+import SwiftUI
+
+/// Provides Dynamic Type aware font helpers that map existing fixed sizes onto
+/// preferred text styles so the UI scales with user accessibility settings.
+extension Font {
+    static func bitchatSystem(size: CGFloat, weight: Font.Weight = .regular, design: Font.Design = .default) -> Font {
+        let style = Font.TextStyle.bitchatPreferredStyle(for: size)
+        var font = Font.system(style, design: design)
+        if weight != .regular {
+            font = font.weight(weight)
+        }
+        return font
+    }
+}
+
+private extension Font.TextStyle {
+    static func bitchatPreferredStyle(for size: CGFloat) -> Font.TextStyle {
+        switch size {
+        case ..<11.5:
+            return .caption2
+        case ..<13.0:
+            return .caption
+        case ..<14.0:
+            return .footnote
+        case ..<16.5:
+            return .body
+        case ..<19.0:
+            return .title3
+        case ..<23.0:
+            return .title2
+        case ..<30.0:
+            return .title
+        default:
+            return .largeTitle
+        }
+    }
+}

bitchat/Utils/InputValidator.swift

@@ -8,7 +8,9 @@ struct InputValidator {
     
     struct Limits {
         static let maxNicknameLength = 50
-        static let maxMessageLength = 10_000
+        // BinaryProtocol caps payload length at UInt16.max (65_535). Leave headroom
+        // for headers/padding by limiting user content to 60_000 bytes.
+        static let maxMessageLength = 60_000
         static let maxReasonLength = 200
         static let maxPeerIDLength = 64
         static let hexPeerIDLength = 16 // 8 bytes = 16 hex chars

bitchat/Views/AppInfoView.swift

@@ -88,7 +88,7 @@ struct AppInfoView: View {
                 ToolbarItem(placement: .navigationBarTrailing) {
                     Button(action: { dismiss() }) {
                         Image(systemName: "xmark")
-                            .font(.system(size: 13, weight: .semibold, design: .monospaced))
+                            .font(.bitchatSystem(size: 13, weight: .semibold, design: .monospaced))
                             .foregroundColor(textColor)
                             .frame(width: 32, height: 32)
                     }
@@ -106,16 +106,29 @@ struct AppInfoView: View {
             // Header
             VStack(alignment: .center, spacing: 8) {
                 Text(Strings.appName)
-                    .font(.system(size: 32, weight: .bold, design: .monospaced))
+                    .font(.bitchatSystem(size: 32, weight: .bold, design: .monospaced))
                     .foregroundColor(textColor)
                 
                 Text(Strings.tagline)
-                    .font(.system(size: 16, design: .monospaced))
+                    .font(.bitchatSystem(size: 16, design: .monospaced))
                     .foregroundColor(secondaryTextColor)
             }
             .frame(maxWidth: .infinity)
             .padding(.vertical)
             
+            // How to Use
+            VStack(alignment: .leading, spacing: 16) {
+                SectionHeader(Strings.HowToUse.title)
+
+                VStack(alignment: .leading, spacing: 8) {
+                    ForEach(Strings.HowToUse.instructions, id: \.self) { instruction in
+                        Text(instruction)
+                    }
+                }
+                .font(.bitchatSystem(size: 14, design: .monospaced))
+                .foregroundColor(textColor)
+            }
+
             // Features
             VStack(alignment: .leading, spacing: 16) {
                 SectionHeader(Strings.Features.title)
@@ -162,26 +175,13 @@ struct AppInfoView: View {
                           description: Strings.Privacy.panic.2)
             }
             
-            // How to Use
-            VStack(alignment: .leading, spacing: 16) {
-                SectionHeader(Strings.HowToUse.title)
-                
-                VStack(alignment: .leading, spacing: 8) {
-                    ForEach(Strings.HowToUse.instructions, id: \.self) { instruction in
-                        Text(instruction)
-                    }
-                }
-                .font(.system(size: 14, design: .monospaced))
-                .foregroundColor(textColor)
-            }
-            
             // Warning
             VStack(alignment: .leading, spacing: 6) {
                 SectionHeader(Strings.Warning.title)
                     .foregroundColor(Color.red)
                 
                 Text(Strings.Warning.message)
-                    .font(.system(size: 14, design: .monospaced))
+                    .font(.bitchatSystem(size: 14, design: .monospaced))
                     .foregroundColor(Color.red)
                     .fixedSize(horizontal: false, vertical: true)
             }
@@ -211,7 +211,7 @@ struct SectionHeader: View {
     
     var body: some View {
         Text(title)
-            .font(.system(size: 16, weight: .bold, design: .monospaced))
+            .font(.bitchatSystem(size: 16, weight: .bold, design: .monospaced))
             .foregroundColor(textColor)
             .padding(.top, 8)
     }
@@ -234,17 +234,17 @@ struct FeatureRow: View {
     var body: some View {
         HStack(alignment: .top, spacing: 12) {
             Image(systemName: icon)
-                .font(.system(size: 20))
+                .font(.bitchatSystem(size: 20))
                 .foregroundColor(textColor)
                 .frame(width: 30)
             
             VStack(alignment: .leading, spacing: 4) {
                 Text(title)
-                    .font(.system(size: 14, weight: .semibold, design: .monospaced))
+                    .font(.bitchatSystem(size: 14, weight: .semibold, design: .monospaced))
                     .foregroundColor(textColor)
                 
                 Text(description)
-                    .font(.system(size: 12, design: .monospaced))
+                    .font(.bitchatSystem(size: 12, design: .monospaced))
                     .foregroundColor(secondaryTextColor)
                     .fixedSize(horizontal: false, vertical: true)
             }
@@ -254,6 +254,16 @@ struct FeatureRow: View {
     }
 }
 
-#Preview {
+#Preview("Default") {
     AppInfoView()
 }
+
+#Preview("Dynamic Type XXL") {
+    AppInfoView()
+        .environment(\.sizeCategory, .accessibilityExtraExtraExtraLarge)
+}
+
+#Preview("Dynamic Type XS") {
+    AppInfoView()
+        .environment(\.sizeCategory, .extraSmall)
+}

bitchat/Views/ContentView.swift

@@ -30,6 +30,7 @@ struct ContentView: View {
     @State private var textFieldSelection: NSRange? = nil
     @FocusState private var isTextFieldFocused: Bool
     @Environment(\.colorScheme) var colorScheme
+    @Environment(\.dynamicTypeSize) private var dynamicTypeSize
     @State private var showPeerList = false
     @State private var showSidebar = false
     @State private var sidebarDragOffset: CGFloat = 0
@@ -53,6 +54,7 @@ struct ContentView: View {
     @State private var showLocationNotes = false
     @State private var notesGeohash: String? = nil
     @State private var sheetNotesCount: Int = 0
+    @ScaledMetric(relativeTo: .body) private var headerHeight: CGFloat = 44
     // Timer-based refresh removed; use LocationChannelManager live updates instead
     // Window sizes for rendering (infinite scroll up)
     @State private var windowCountPublic: Int = 300
@@ -72,6 +74,10 @@ struct ContentView: View {
         colorScheme == .dark ? Color.green.opacity(0.8) : Color(red: 0, green: 0.5, blue: 0).opacity(0.8)
     }
 
+    private var headerLineLimit: Int? {
+        dynamicTypeSize.isAccessibilitySize ? 2 : 1
+    }
+    
     // MARK: - Body
     
     var body: some View {
@@ -328,7 +334,7 @@ struct ContentView: View {
                                             if isExpanded { expandedMessageIDs.remove(message.id) }
                                             else { expandedMessageIDs.insert(message.id) }
                                         }
-                                        .font(.system(size: 11, weight: .medium, design: .monospaced))
+                                        .font(.bitchatSystem(size: 11, weight: .medium, design: .monospaced))
                                         .foregroundColor(Color.blue)
                                         .padding(.top, 4)
                                     }
@@ -462,8 +468,13 @@ struct ContentView: View {
                         selectedMessageSender = viewModel.messages.last(where: { $0.senderPeerID == peerID && $0.sender != "system" })?.sender
                     }
                 }
+                if viewModel.isSelfSender(peerID: selectedMessageSenderID, displayName: selectedMessageSender) {
+                    selectedMessageSender = nil
+                    selectedMessageSenderID = nil
+                } else {
                     showMessageActions = true
                 }
+            }
             .onOpenURL { url in
                 guard url.scheme == "bitchat", url.host == "geohash" else { return }
                 let gh = url.path.trimmingCharacters(in: CharacterSet(charactersIn: "/")).lowercased()
@@ -701,7 +712,7 @@ struct ContentView: View {
                         }) {
                             HStack {
                                 Text(suggestion)
-                                    .font(.system(size: 11, design: .monospaced))
+                                    .font(.bitchatSystem(size: 11, design: .monospaced))
                                     .foregroundColor(textColor)
                                     .fontWeight(.medium)
                                 Spacer()
@@ -759,14 +770,14 @@ struct ContentView: View {
                                 HStack {
                                     // Show all aliases together
                                     Text(info.commands.joined(separator: ", "))
-                                        .font(.system(size: 11, design: .monospaced))
+                                        .font(.bitchatSystem(size: 11, design: .monospaced))
                                         .foregroundColor(textColor)
                                         .fontWeight(.medium)
                                     
                                     // Show syntax if any
                                     if let syntax = info.syntax {
                                         Text(syntax)
-                                            .font(.system(size: 10, design: .monospaced))
+                                            .font(.bitchatSystem(size: 10, design: .monospaced))
                                             .foregroundColor(secondaryTextColor.opacity(0.8))
                                     }
                                     
@@ -774,7 +785,7 @@ struct ContentView: View {
                                     
                                     // Show description
                                     Text(info.description)
-                                        .font(.system(size: 10, design: .monospaced))
+                                        .font(.bitchatSystem(size: 10, design: .monospaced))
                                         .foregroundColor(secondaryTextColor)
                                 }
                                 .padding(.horizontal, 12)
@@ -797,7 +808,7 @@ struct ContentView: View {
             HStack(alignment: .center, spacing: 4) {
             TextField("type a message...", text: $messageText)
                 .textFieldStyle(.plain)
-                .font(.system(size: 14, design: .monospaced))
+                .font(.bitchatSystem(size: 14, design: .monospaced))
                 .foregroundColor(textColor)
                 .focused($isTextFieldFocused)
                 .padding(.leading, 12)
@@ -872,7 +883,7 @@ struct ContentView: View {
             
             Button(action: sendMessage) {
                 Image(systemName: "arrow.up.circle.fill")
-                    .font(.system(size: 20))
+                    .font(.bitchatSystem(size: 20))
                     .foregroundColor(messageText.isEmpty ? Color.gray :
                                             viewModel.selectedPrivateChatPeer != nil
                                              ? Color.orange : textColor)
@@ -913,20 +924,20 @@ struct ContentView: View {
                 // Header - match main toolbar height
                 HStack {
                     Text("PEOPLE")
-                        .font(.system(size: 16, weight: .bold, design: .monospaced))
+                        .font(.bitchatSystem(size: 16, weight: .bold, design: .monospaced))
                         .foregroundColor(textColor)
                     Spacer()
                     // Show QR in mesh on all platforms
                     if case .mesh = locationManager.selectedChannel {
                         Button(action: { showVerifySheet = true }) {
                             Image(systemName: "qrcode")
-                                .font(.system(size: 14))
+                                .font(.bitchatSystem(size: 14))
                         }
                         .buttonStyle(.plain)
                         .help("Verification: show my QR or scan a friend")
                     }
                 }
-                .frame(height: 44) // Match header height
+                .frame(height: headerHeight) // Match header height
                 .padding(.horizontal, 12)
                 .background(backgroundColor.opacity(0.95))
                 
@@ -1077,7 +1088,7 @@ struct ContentView: View {
     private var mainHeaderView: some View {
         HStack(spacing: 0) {
             Text("bitchat/")
-                .font(.system(size: 18, weight: .medium, design: .monospaced))
+                .font(.bitchatSystem(size: 18, weight: .medium, design: .monospaced))
                 .foregroundColor(textColor)
                 .onTapGesture(count: 3) {
                     // PANIC: Triple-tap to clear all data
@@ -1090,12 +1101,12 @@ struct ContentView: View {
             
             HStack(spacing: 0) {
                 Text("@")
-                    .font(.system(size: 14, design: .monospaced))
+                    .font(.bitchatSystem(size: 14, design: .monospaced))
                     .foregroundColor(secondaryTextColor)
                 
                 TextField("nickname", text: $viewModel.nickname)
                     .textFieldStyle(.plain)
-                    .font(.system(size: 14, design: .monospaced))
+                    .font(.bitchatSystem(size: 14, design: .monospaced))
                     .frame(maxWidth: 80)
                     .foregroundColor(textColor)
                     .focused($isNicknameFieldFocused)
@@ -1134,7 +1145,7 @@ struct ContentView: View {
                 if viewModel.hasAnyUnreadMessages {
                     Button(action: { viewModel.openMostRelevantPrivateChat() }) {
                         Image(systemName: "envelope.fill")
-                            .font(.system(size: 12))
+                            .font(.bitchatSystem(size: 12))
                             .foregroundColor(Color.orange)
                     }
                     .buttonStyle(.plain)
@@ -1154,7 +1165,7 @@ struct ContentView: View {
                             let currentCount = (notesCounter.count ?? 0)
                             let hasNotes = (!notesCounter.initialLoadComplete ? max(currentCount, sheetNotesCount) : currentCount) > 0
                             Image(systemName: "long.text.page.and.pencil")
-                                .font(.system(size: 12))
+                                .font(.bitchatSystem(size: 12))
                                 .foregroundColor(hasNotes ? textColor : Color.gray)
                                 .padding(.top, 1)
                         }
@@ -1168,7 +1179,7 @@ struct ContentView: View {
                 if case .location(let ch) = locationManager.selectedChannel {
                     Button(action: { GeohashBookmarksStore.shared.toggle(ch.geohash) }) {
                         Image(systemName: GeohashBookmarksStore.shared.isBookmarked(ch.geohash) ? "bookmark.fill" : "bookmark")
-                            .font(.system(size: 12))
+                            .font(.bitchatSystem(size: 12))
                     }
                     .buttonStyle(.plain)
                     .accessibilityLabel("Toggle bookmark for #\(ch.geohash)")
@@ -1191,9 +1202,9 @@ struct ContentView: View {
                         }
                     }()
                     Text(badgeText)
-                        .font(.system(size: 14, design: .monospaced))
+                        .font(.bitchatSystem(size: 14, design: .monospaced))
                         .foregroundColor(badgeColor)
-                        .lineLimit(1)
+                        .lineLimit(headerLineLimit)
                         .fixedSize(horizontal: true, vertical: false)
                         .layoutPriority(2)
                         .accessibilityLabel("location channels")
@@ -1205,15 +1216,15 @@ struct ContentView: View {
                 HStack(spacing: 4) {
                     // People icon with count
                     Image(systemName: "person.2.fill")
-                        .font(.system(size: 11))
+                        .font(.bitchatSystem(size: 11))
                         .accessibilityLabel("\(headerOtherPeersCount) people")
                     Text("\(headerOtherPeersCount)")
-                        .font(.system(size: 12, design: .monospaced))
+                        .font(.bitchatSystem(size: 12, design: .monospaced))
                         .accessibilityHidden(true)
                 }
                 .foregroundColor(headerCountColor)
                 .padding(.leading, 2)
-                .lineLimit(1)
+                .lineLimit(headerLineLimit)
                 .fixedSize(horizontal: true, vertical: false)
 
                 // QR moved to the PEOPLE header in the sidebar when on mesh channel
@@ -1230,7 +1241,7 @@ struct ContentView: View {
                     .environmentObject(viewModel)
             }
         }
-        .frame(height: 44)
+        .frame(height: headerHeight)
         .padding(.horizontal, 12)
         .sheet(isPresented: $showLocationChannelsSheet) {
             LocationChannelsSheet(isPresented: $showLocationChannelsSheet)
@@ -1246,22 +1257,22 @@ struct ContentView: View {
                     VStack(spacing: 12) {
                         HStack {
                             Text("notes")
-                                .font(.system(size: 16, weight: .bold, design: .monospaced))
+                                .font(.bitchatSystem(size: 16, weight: .bold, design: .monospaced))
                             Spacer()
                             Button(action: { showLocationNotes = false }) {
                                 Image(systemName: "xmark")
-                                    .font(.system(size: 13, weight: .semibold, design: .monospaced))
+                                    .font(.bitchatSystem(size: 13, weight: .semibold, design: .monospaced))
                                     .foregroundColor(textColor)
                                     .frame(width: 32, height: 32)
                             }
                             .buttonStyle(.plain)
                             .accessibilityLabel("Close")
                         }
-                        .frame(height: 44)
+                        .frame(height: headerHeight)
                         .padding(.horizontal, 12)
                         .background(backgroundColor.opacity(0.95))
                         Text("location unavailable")
-                            .font(.system(size: 14, design: .monospaced))
+                            .font(.bitchatSystem(size: 14, design: .monospaced))
                             .foregroundColor(secondaryTextColor)
                         Button("enable location") {
                             LocationChannelManager.shared.enableLocationChannels()
@@ -1412,19 +1423,19 @@ struct ContentView: View {
                                 case .bluetoothConnected:
                                     // Radio icon for mesh connection
                                     Image(systemName: "dot.radiowaves.left.and.right")
-                                        .font(.system(size: 14))
+                                        .font(.bitchatSystem(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))
+                                        .font(.bitchatSystem(size: 14))
                                         .foregroundColor(textColor)
                                         .accessibilityLabel("Reachable via mesh")
                                 case .nostrAvailable:
                                     // Purple globe for Nostr
                                     Image(systemName: "globe")
-                                        .font(.system(size: 14))
+                                        .font(.bitchatSystem(size: 14))
                                         .foregroundColor(.purple)
                                         .accessibilityLabel("Available via Nostr")
                                 case .offline:
@@ -1434,25 +1445,25 @@ struct ContentView: View {
                             } 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))
+                                    .font(.bitchatSystem(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")
-                                    .font(.system(size: 14))
+                                    .font(.bitchatSystem(size: 14))
                                     .foregroundColor(.purple)
                                     .accessibilityLabel("Available via Nostr")
                             } else if viewModel.meshService.isPeerConnected(headerPeerID) || viewModel.connectedPeers.contains(headerPeerID) {
                                 // Fallback: if peer lookup is missing but mesh reports connected, show radio
                                 Image(systemName: "dot.radiowaves.left.and.right")
-                                    .font(.system(size: 14))
+                                    .font(.bitchatSystem(size: 14))
                                     .foregroundColor(textColor)
                                     .accessibilityLabel("Connected via mesh")
                             }
                             
                             Text("\(privatePeerNick)")
-                                .font(.system(size: 16, weight: .medium, design: .monospaced))
+                                .font(.bitchatSystem(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)
@@ -1465,7 +1476,7 @@ struct ContentView: View {
                                 let encryptionStatus = viewModel.getEncryptionStatus(for: statusPeerID)
                                 if let icon = encryptionStatus.icon {
                                     Image(systemName: icon)
-                                        .font(.system(size: 14))
+                                        .font(.bitchatSystem(size: 14))
                                         .foregroundColor(encryptionStatus == .noiseVerified ? textColor : 
                                                        encryptionStatus == .noiseSecured ? textColor :
                                                        Color.red)
@@ -1487,7 +1498,7 @@ struct ContentView: View {
                             }
                         }) {
                             Image(systemName: "chevron.left")
-                                .font(.system(size: 12))
+                                .font(.bitchatSystem(size: 12))
                                 .foregroundColor(textColor)
                                 .frame(width: 44, height: 44, alignment: .leading)
                                 .contentShape(Rectangle())
@@ -1503,7 +1514,7 @@ struct ContentView: View {
                                 viewModel.toggleFavorite(peerID: headerPeerID)
                             }) {
                                 Image(systemName: viewModel.isFavorite(peerID: headerPeerID) ? "star.fill" : "star")
-                                    .font(.system(size: 16))
+                                    .font(.bitchatSystem(size: 16))
                                     .foregroundColor(viewModel.isFavorite(peerID: headerPeerID) ? Color.yellow : textColor)
                             }
                             .buttonStyle(.plain)
@@ -1512,7 +1523,7 @@ struct ContentView: View {
                         }
                     }
                 }
-                .frame(height: 44)
+                .frame(height: headerHeight)
                 .padding(.horizontal, 12)
                 .background(backgroundColor.opacity(0.95))
     }
@@ -1569,7 +1580,7 @@ private struct PaymentChipView: View {
             HStack(spacing: 6) {
                 Text(emoji)
                 Text(label)
-                    .font(.system(size: 12, weight: .semibold, design: .monospaced))
+                    .font(.bitchatSystem(size: 12, weight: .semibold, design: .monospaced))
             }
             .padding(.vertical, 6)
             .padding(.horizontal, 12)
@@ -1610,20 +1621,20 @@ struct DeliveryStatusView: View {
         switch status {
         case .sending:
             Image(systemName: "circle")
-                .font(.system(size: 10))
+                .font(.bitchatSystem(size: 10))
                 .foregroundColor(secondaryTextColor.opacity(0.6))
             
         case .sent:
             Image(systemName: "checkmark")
-                .font(.system(size: 10))
+                .font(.bitchatSystem(size: 10))
                 .foregroundColor(secondaryTextColor.opacity(0.6))
             
         case .delivered(let nickname, _):
             HStack(spacing: -2) {
                 Image(systemName: "checkmark")
-                    .font(.system(size: 10))
+                    .font(.bitchatSystem(size: 10))
                 Image(systemName: "checkmark")
-                    .font(.system(size: 10))
+                    .font(.bitchatSystem(size: 10))
             }
             .foregroundColor(textColor.opacity(0.8))
             .help("Delivered to \(nickname)")
@@ -1631,25 +1642,25 @@ struct DeliveryStatusView: View {
         case .read(let nickname, _):
             HStack(spacing: -2) {
                 Image(systemName: "checkmark")
-                    .font(.system(size: 10, weight: .bold))
+                    .font(.bitchatSystem(size: 10, weight: .bold))
                 Image(systemName: "checkmark")
-                    .font(.system(size: 10, weight: .bold))
+                    .font(.bitchatSystem(size: 10, weight: .bold))
             }
             .foregroundColor(Color(red: 0.0, green: 0.478, blue: 1.0))  // Bright blue
             .help("Read by \(nickname)")
             
         case .failed(let reason):
             Image(systemName: "exclamationmark.triangle")
-                .font(.system(size: 10))
+                .font(.bitchatSystem(size: 10))
                 .foregroundColor(Color.red.opacity(0.8))
                 .help("Failed: \(reason)")
             
         case .partiallyDelivered(let reached, let total):
             HStack(spacing: 1) {
                 Image(systemName: "checkmark")
-                    .font(.system(size: 10))
+                    .font(.bitchatSystem(size: 10))
                 Text("\(reached)/\(total)")
-                    .font(.system(size: 10, design: .monospaced))
+                    .font(.bitchatSystem(size: 10, design: .monospaced))
             }
             .foregroundColor(secondaryTextColor.opacity(0.6))
             .help("Delivered to \(reached) of \(total) members")

bitchat/Views/FingerprintView.swift

@@ -27,14 +27,14 @@ struct FingerprintView: View {
             // Header
             HStack {
                 Text("SECURITY VERIFICATION")
-                    .font(.system(size: 16, weight: .bold, design: .monospaced))
+                    .font(.bitchatSystem(size: 16, weight: .bold, design: .monospaced))
                     .foregroundColor(textColor)
                 
                 Spacer()
                 
                 Button(action: { dismiss() }) {
                     Image(systemName: "xmark")
-                        .font(.system(size: 14, weight: .semibold))
+                        .font(.bitchatSystem(size: 14, weight: .semibold))
                 }
                 .foregroundColor(textColor)
             }
@@ -66,17 +66,17 @@ struct FingerprintView: View {
                 HStack {
                     if let icon = encryptionStatus.icon {
                         Image(systemName: icon)
-                            .font(.system(size: 20))
+                            .font(.bitchatSystem(size: 20))
                             .foregroundColor(encryptionStatus == .noiseVerified ? Color.green : textColor)
                     }
                     
                     VStack(alignment: .leading, spacing: 4) {
                         Text(peerNickname)
-                            .font(.system(size: 18, weight: .semibold, design: .monospaced))
+                            .font(.bitchatSystem(size: 18, weight: .semibold, design: .monospaced))
                             .foregroundColor(textColor)
                         
                         Text(encryptionStatus.description)
-                            .font(.system(size: 12, design: .monospaced))
+                            .font(.bitchatSystem(size: 12, design: .monospaced))
                             .foregroundColor(textColor.opacity(0.7))
                     }
                     
@@ -89,12 +89,12 @@ struct FingerprintView: View {
                 // Their fingerprint
                 VStack(alignment: .leading, spacing: 8) {
                     Text("THEIR FINGERPRINT:")
-                        .font(.system(size: 12, weight: .bold, design: .monospaced))
+                        .font(.bitchatSystem(size: 12, weight: .bold, design: .monospaced))
                         .foregroundColor(textColor.opacity(0.7))
                     
                     if let fingerprint = viewModel.getFingerprint(for: statusPeerID) {
                         Text(formatFingerprint(fingerprint))
-                            .font(.system(size: 14, design: .monospaced))
+                            .font(.bitchatSystem(size: 14, design: .monospaced))
                             .foregroundColor(textColor)
                             .multilineTextAlignment(.leading)
                             .lineLimit(nil)
@@ -115,7 +115,7 @@ struct FingerprintView: View {
                             }
                     } else {
                         Text("not available - handshake in progress")
-                            .font(.system(size: 14, design: .monospaced))
+                            .font(.bitchatSystem(size: 14, design: .monospaced))
                             .foregroundColor(Color.orange)
                             .padding()
                     }
@@ -124,12 +124,12 @@ struct FingerprintView: View {
                 // My fingerprint
                 VStack(alignment: .leading, spacing: 8) {
                     Text("YOUR FINGERPRINT:")
-                        .font(.system(size: 12, weight: .bold, design: .monospaced))
+                        .font(.bitchatSystem(size: 12, weight: .bold, design: .monospaced))
                         .foregroundColor(textColor.opacity(0.7))
                     
                     let myFingerprint = viewModel.getMyFingerprint()
                     Text(formatFingerprint(myFingerprint))
-                        .font(.system(size: 14, design: .monospaced))
+                        .font(.bitchatSystem(size: 14, design: .monospaced))
                         .foregroundColor(textColor)
                         .multilineTextAlignment(.leading)
                         .lineLimit(nil)
@@ -156,14 +156,14 @@ struct FingerprintView: View {
                     
                     VStack(spacing: 12) {
                         Text(isVerified ? "✓ VERIFIED" : "⚠️ NOT VERIFIED")
-                            .font(.system(size: 14, weight: .bold, design: .monospaced))
+                            .font(.bitchatSystem(size: 14, weight: .bold, design: .monospaced))
                             .foregroundColor(isVerified ? Color.green : Color.orange)
                             .frame(maxWidth: .infinity)
                         
                         Text(isVerified ? 
                              "you have verified this person's identity." :
                              "compare these fingerprints with \(peerNickname) using a secure channel.")
-                            .font(.system(size: 12, design: .monospaced))
+                            .font(.bitchatSystem(size: 12, design: .monospaced))
                             .foregroundColor(textColor.opacity(0.7))
                             .multilineTextAlignment(.center)
                             .lineLimit(nil)
@@ -176,7 +176,7 @@ struct FingerprintView: View {
                                 dismiss()
                             }) {
                                 Text("MARK AS VERIFIED")
-                                    .font(.system(size: 14, weight: .bold, design: .monospaced))
+                                    .font(.bitchatSystem(size: 14, weight: .bold, design: .monospaced))
                                     .foregroundColor(.white)
                                     .padding(.horizontal, 20)
                                     .padding(.vertical, 10)
@@ -190,7 +190,7 @@ struct FingerprintView: View {
                                 dismiss()
                             }) {
                                 Text("REMOVE VERIFICATION")
-                                    .font(.system(size: 14, weight: .bold, design: .monospaced))
+                                    .font(.bitchatSystem(size: 14, weight: .bold, design: .monospaced))
                                     .foregroundColor(.white)
                                     .padding(.horizontal, 20)
                                     .padding(.vertical, 10)

bitchat/Views/GeohashPeopleList.swift

@@ -12,7 +12,7 @@ struct GeohashPeopleList: View {
         if viewModel.visibleGeohashPeople().isEmpty {
             VStack(alignment: .leading, spacing: 0) {
                 Text("nobody around...")
-                    .font(.system(size: 14, design: .monospaced))
+                    .font(.bitchatSystem(size: 14, design: .monospaced))
                     .foregroundColor(secondaryTextColor)
                     .padding(.horizontal)
                     .padding(.top, 12)
@@ -51,30 +51,30 @@ struct GeohashPeopleList: View {
                         let icon = teleported ? "face.dashed" : "mappin.and.ellipse"
                         let assignedColor = viewModel.colorForNostrPubkey(person.id, isDark: colorScheme == .dark)
                         let rowColor: Color = isMe ? .orange : assignedColor
-                        Image(systemName: icon).font(.system(size: 12)).foregroundColor(rowColor)
+                        Image(systemName: icon).font(.bitchatSystem(size: 12)).foregroundColor(rowColor)
 
                         let (base, suffix) = splitSuffix(from: person.displayName)
                         HStack(spacing: 0) {
                             Text(base)
-                                .font(.system(size: 14, design: .monospaced))
+                                .font(.bitchatSystem(size: 14, design: .monospaced))
                                 .fontWeight(isMe ? .bold : .regular)
                                 .foregroundColor(rowColor)
                             if !suffix.isEmpty {
                                 let suffixColor = isMe ? Color.orange.opacity(0.6) : rowColor.opacity(0.6)
                                 Text(suffix)
-                                    .font(.system(size: 14, design: .monospaced))
+                                    .font(.bitchatSystem(size: 14, design: .monospaced))
                                     .foregroundColor(suffixColor)
                             }
                             if isMe {
                                 Text(" (you)")
-                                    .font(.system(size: 14, design: .monospaced))
+                                    .font(.bitchatSystem(size: 14, design: .monospaced))
                                     .foregroundColor(rowColor)
                             }
                         }
                         if let me = myHex, person.id != me {
                             if viewModel.isGeohashUserBlocked(pubkeyHexLowercased: person.id) {
                                 Image(systemName: "nosign")
-                                    .font(.system(size: 10))
+                                    .font(.bitchatSystem(size: 10))
                                     .foregroundColor(.red)
                                     .help("Blocked in geochash")
                             }

bitchat/Views/LocationChannelsSheet.swift

@@ -9,6 +9,7 @@ struct LocationChannelsSheet: View {
     @Binding var isPresented: Bool
     @ObservedObject private var manager = LocationChannelManager.shared
     @ObservedObject private var bookmarks = GeohashBookmarksStore.shared
+    @ObservedObject private var network = NetworkActivationService.shared
     @EnvironmentObject var viewModel: ChatViewModel
     @Environment(\.colorScheme) var colorScheme
     @State private var customGeohash: String = ""
@@ -19,10 +20,14 @@ struct LocationChannelsSheet: View {
     var body: some View {
         NavigationView {
             VStack(alignment: .leading, spacing: 12) {
+                HStack(spacing: 12) {
                     Text("#location channels")
-                    .font(.system(size: 18, design: .monospaced))
+                        .font(.bitchatSystem(size: 18, design: .monospaced))
+                    Spacer()
+                    closeButton
+                }
                 Text("chat with people near you using geohash channels. only a coarse geohash is shared, never exact gps. your IP address is hidden by routing all traffic over tor.")
-                    .font(.system(size: 12, design: .monospaced))
+                    .font(.bitchatSystem(size: 12, design: .monospaced))
                     .foregroundColor(.secondary)
 
                 Group {
@@ -30,7 +35,7 @@ struct LocationChannelsSheet: View {
                     case LocationChannelManager.PermissionState.notDetermined:
                         Button(action: { manager.enableLocationChannels() }) {
                             Text("get location and my geohashes")
-                                .font(.system(size: 12, design: .monospaced))
+                                .font(.bitchatSystem(size: 12, design: .monospaced))
                                 .foregroundColor(standardGreen)
                                 .frame(maxWidth: .infinity)
                                 .padding(.vertical, 6)
@@ -41,7 +46,7 @@ struct LocationChannelsSheet: View {
                     case LocationChannelManager.PermissionState.denied, LocationChannelManager.PermissionState.restricted:
                         VStack(alignment: .leading, spacing: 8) {
                             Text("location permission denied. enable in settings to use location channels.")
-                                .font(.system(size: 12, design: .monospaced))
+                                .font(.bitchatSystem(size: 12, design: .monospaced))
                                 .foregroundColor(.secondary)
                             Button("open settings") { openSystemLocationSettings() }
                             .buttonStyle(.plain)
@@ -59,29 +64,9 @@ struct LocationChannelsSheet: View {
             .background(backgroundColor)
             #if os(iOS)
             .navigationBarTitleDisplayMode(.inline)
-            .toolbar {
+            .navigationBarHidden(true)
-                ToolbarItem(placement: .navigationBarTrailing) {
-                    Button(action: { isPresented = false }) {
-                        Image(systemName: "xmark")
-                            .font(.system(size: 13, weight: .semibold, design: .monospaced))
-                            .frame(width: 32, height: 32)
-                    }
-                    .buttonStyle(.plain)
-                    .accessibilityLabel("Close")
-                }
-            }
             #else
-            .toolbar {
+            .navigationTitle("")
-                ToolbarItem(placement: .automatic) {
-                    Button(action: { isPresented = false }) {
-                        Image(systemName: "xmark")
-                            .font(.system(size: 13, weight: .semibold, design: .monospaced))
-                            .frame(width: 20, height: 20)
-                    }
-                    .buttonStyle(.plain)
-                    .accessibilityLabel("Close")
-                }
-            }
             #endif
         }
         #if os(iOS)
@@ -111,6 +96,16 @@ struct LocationChannelsSheet: View {
         .onChange(of: manager.availableChannels) { _ in }
     }
 
+    private var closeButton: some View {
+        Button(action: { isPresented = false }) {
+            Image(systemName: "xmark")
+                .font(.bitchatSystem(size: 13, weight: .semibold, design: .monospaced))
+                .frame(width: 32, height: 32)
+        }
+        .buttonStyle(.plain)
+        .accessibilityLabel("Close")
+    }
+
     private var channelList: some View {
         List {
             // Mesh option first (no bookmark)
@@ -118,6 +113,7 @@ struct LocationChannelsSheet: View {
                 manager.select(ChannelID.mesh)
                 isPresented = false
             }
+            .listRowInsets(EdgeInsets(top: 6, leading: 0, bottom: 6, trailing: 0))
 
             // Nearby options
             if !manager.availableChannels.isEmpty {
@@ -136,7 +132,7 @@ struct LocationChannelsSheet: View {
                         trailingAccessory: {
                             Button(action: { bookmarks.toggle(channel.geohash) }) {
                                 Image(systemName: bookmarks.isBookmarked(channel.geohash) ? "bookmark.fill" : "bookmark")
-                                    .font(.system(size: 14))
+                                    .font(.bitchatSystem(size: 14))
                             }
                             .buttonStyle(.plain)
                             .padding(.leading, 8)
@@ -147,20 +143,22 @@ struct LocationChannelsSheet: View {
                         manager.select(ChannelID.location(channel))
                         isPresented = false
                     }
+                    .listRowInsets(EdgeInsets(top: 6, leading: 0, bottom: 6, trailing: 0))
                 }
             } else {
                 HStack {
                     ProgressView()
                     Text("finding nearby channels…")
-                        .font(.system(size: 12, design: .monospaced))
+                        .font(.bitchatSystem(size: 12, design: .monospaced))
                 }
+                .listRowInsets(EdgeInsets(top: 6, leading: 0, bottom: 6, trailing: 0))
             }
 
             // Custom geohash teleport
             VStack(alignment: .leading, spacing: 6) {
                 HStack(spacing: 2) {
                     Text("#")
-                        .font(.system(size: 14, design: .monospaced))
+                        .font(.bitchatSystem(size: 14, design: .monospaced))
                         .foregroundColor(.secondary)
                     TextField("geohash", text: $customGeohash)
                         #if os(iOS)
@@ -168,7 +166,7 @@ struct LocationChannelsSheet: View {
                         .autocorrectionDisabled(true)
                         .keyboardType(.asciiCapable)
                         #endif
-                        .font(.system(size: 14, design: .monospaced))
+                        .font(.bitchatSystem(size: 14, design: .monospaced))
                         .onChange(of: customGeohash) { newValue in
                             // Allow only geohash base32 characters, strip '#', limit length
                             let allowed = Set("0123456789bcdefghjkmnpqrstuvwxyz")
@@ -196,14 +194,13 @@ struct LocationChannelsSheet: View {
                     }) {
                         HStack(spacing: 6) {
                             Text("teleport")
-                                .font(.system(size: 14, design: .monospaced))
+                                .font(.bitchatSystem(size: 14, design: .monospaced))
                             Image(systemName: "face.dashed")
-                                .font(.system(size: 14))
+                                .font(.bitchatSystem(size: 14))
                         }
                     }
                     .buttonStyle(.plain)
-                    .font(.system(size: 14, design: .monospaced))
+                    .font(.bitchatSystem(size: 14, design: .monospaced))
-                    .padding(.horizontal, 10)
                     .padding(.vertical, 6)
                     .background(Color.secondary.opacity(0.12))
                     .cornerRadius(6)
@@ -212,16 +209,17 @@ struct LocationChannelsSheet: View {
                 }
                 if let err = customError {
                     Text(err)
-                        .font(.system(size: 12, design: .monospaced))
+                        .font(.bitchatSystem(size: 12, design: .monospaced))
                         .foregroundColor(.red)
                 }
             }
+            .listRowInsets(EdgeInsets(top: 6, leading: 0, bottom: 6, trailing: 0))
 
             // Bookmarked geohashes
             if !bookmarks.bookmarks.isEmpty {
                 VStack(alignment: .leading, spacing: 8) {
                     Text("bookmarked")
-                        .font(.system(size: 12, design: .monospaced))
+                        .font(.bitchatSystem(size: 12, design: .monospaced))
                         .foregroundColor(.secondary)
                     VStack(spacing: 6) {
                         ForEach(bookmarks.bookmarks, id: \.self) { gh in
@@ -238,7 +236,7 @@ struct LocationChannelsSheet: View {
                                 trailingAccessory: {
                                     Button(action: { bookmarks.toggle(gh) }) {
                                         Image(systemName: bookmarks.isBookmarked(gh) ? "bookmark.fill" : "bookmark")
-                                            .font(.system(size: 14))
+                                            .font(.bitchatSystem(size: 14))
                                     }
                                     .buttonStyle(.plain)
                                     .padding(.leading, 8)
@@ -262,15 +260,18 @@ struct LocationChannelsSheet: View {
                     .cornerRadius(8)
                 }
                 .listRowSeparator(.hidden)
+                .listRowInsets(EdgeInsets(top: 6, leading: 0, bottom: 6, trailing: 0))
             }
 
             // Footer action inside the list
             if manager.permissionState == LocationChannelManager.PermissionState.authorized {
+                torToggleSection
+                .listRowInsets(EdgeInsets(top: 6, leading: 0, bottom: 4, trailing: 0))
                 Button(action: {
                     openSystemLocationSettings()
                 }) {
                     Text("remove location access")
-                        .font(.system(size: 12, design: .monospaced))
+                        .font(.bitchatSystem(size: 12, design: .monospaced))
                         .foregroundColor(Color(red: 0.75, green: 0.1, blue: 0.1))
                         .frame(maxWidth: .infinity)
                         .padding(.vertical, 6)
@@ -280,6 +281,7 @@ struct LocationChannelsSheet: View {
                 .buttonStyle(.plain)
                 .listRowSeparator(.hidden)
                 .listRowBackground(Color.clear)
+                .listRowInsets(EdgeInsets(top: 4, leading: 0, bottom: 10, trailing: 0))
             }
         }
         .listStyle(.plain)
@@ -317,12 +319,12 @@ struct LocationChannelsSheet: View {
                 let parts = splitTitleAndCount(title)
                 HStack(spacing: 4) {
                     Text(parts.base)
-                            .font(.system(size: 14, design: .monospaced))
+                            .font(.bitchatSystem(size: 14, design: .monospaced))
                             .fontWeight(titleBold ? .bold : .regular)
                             .foregroundColor(titleColor ?? Color.primary)
                         if let count = parts.countSuffix, !count.isEmpty {
                             Text(count)
-                                .font(.system(size: 11, design: .monospaced))
+                                .font(.bitchatSystem(size: 11, design: .monospaced))
                                 .foregroundColor(.secondary)
                         }
                     }
@@ -333,7 +335,7 @@ struct LocationChannelsSheet: View {
                     return subtitlePrefix
                 }()
                 Text(subtitleFull)
-                    .font(.system(size: 12, design: .monospaced))
+                    .font(.bitchatSystem(size: 12, design: .monospaced))
                     .foregroundColor(.secondary)
                     .lineLimit(1)
                     .truncationMode(.tail)
@@ -341,7 +343,7 @@ struct LocationChannelsSheet: View {
                 Spacer()
                 if isSelected {
                     Text("✔︎")
-                        .font(.system(size: 16, design: .monospaced))
+                        .font(.bitchatSystem(size: 16, design: .monospaced))
                         .foregroundColor(standardGreen)
                 }
                 trailingAccessory()
@@ -409,8 +411,36 @@ struct LocationChannelsSheet: View {
     }
 }
 
-// MARK: - Standardized Colors
+// MARK: - TOR Toggle & Standardized Colors
 extension LocationChannelsSheet {
+    private var torToggleBinding: Binding<Bool> {
+        Binding(
+            get: { network.userTorEnabled },
+            set: { network.setUserTorEnabled($0) }
+        )
+    }
+
+    private var torToggleSection: some View {
+        VStack(alignment: .leading, spacing: 8) {
+            Toggle(isOn: torToggleBinding) {
+                VStack(alignment: .leading, spacing: 2) {
+                    Text("tor routing")
+                        .font(.bitchatSystem(size: 12, weight: .semibold, design: .monospaced))
+                        .foregroundColor(.primary)
+                    Text("hides your ip for location channels. recommended: on.")
+                        .font(.bitchatSystem(size: 11, design: .monospaced))
+                        .foregroundColor(.secondary)
+                }
+            }
+            .toggleStyle(IRCToggleStyle(accent: standardGreen))
+        }
+        .padding(12)
+        .background(Color.secondary.opacity(0.12))
+        .cornerRadius(8)
+        .listRowSeparator(.hidden)
+        .listRowBackground(Color.clear)
+    }
+
     private var standardGreen: Color {
         (colorScheme == .dark) ? Color.green : Color(red: 0, green: 0.5, blue: 0)
     }
@@ -419,6 +449,34 @@ extension LocationChannelsSheet {
     }
 }
 
+private struct IRCToggleStyle: ToggleStyle {
+    let accent: Color
+
+    func makeBody(configuration: Configuration) -> some View {
+        Button(action: { configuration.isOn.toggle() }) {
+            HStack(spacing: 12) {
+                configuration.label
+                Spacer()
+                Text(configuration.isOn ? "on" : "off")
+                    .textCase(.uppercase)
+                    .font(.bitchatSystem(size: 12, weight: .semibold, design: .monospaced))
+                    .foregroundColor(configuration.isOn ? accent : .secondary)
+                    .padding(.vertical, 4)
+                    .padding(.horizontal, 10)
+                    .background(
+                        RoundedRectangle(cornerRadius: 6)
+                            .fill(accent.opacity(configuration.isOn ? 0.18 : 0.08))
+                    )
+                    .overlay(
+                        RoundedRectangle(cornerRadius: 6)
+                            .stroke(accent.opacity(configuration.isOn ? 0.35 : 0.15), lineWidth: 1)
+                    )
+            }
+        }
+        .buttonStyle(.plain)
+    }
+}
+
 // MARK: - Coverage helpers
 extension LocationChannelsSheet {
     private func coverageString(forPrecision len: Int) -> String {

bitchat/Views/LocationNotesView.swift

@@ -7,6 +7,7 @@ struct LocationNotesView: View {
     let onNotesCountChanged: ((Int) -> Void)?
 
     @Environment(\.colorScheme) var colorScheme
+    @Environment(\.dynamicTypeSize) private var dynamicTypeSize
     @ObservedObject private var locationManager = LocationChannelManager.shared
     @Environment(\.dismiss) private var dismiss
     @State private var draft: String = ""
@@ -18,30 +19,24 @@ struct LocationNotesView: View {
         _manager = StateObject(wrappedValue: LocationNotesManager(geohash: gh))
     }
 
-    private var backgroundColor: Color {
+    private var backgroundColor: Color { colorScheme == .dark ? .black : .white }
-        colorScheme == .dark ? Color.black : Color.white
+    private var accentGreen: Color { colorScheme == .dark ? .green : Color(red: 0, green: 0.5, blue: 0) }
-    }
+    private var maxDraftLines: Int { dynamicTypeSize.isAccessibilitySize ? 5 : 3 }
-    private var textColor: Color {
-        colorScheme == .dark ? Color.green : Color(red: 0, green: 0.5, blue: 0)
-    }
-    private var secondaryTextColor: Color {
-        colorScheme == .dark ? Color.green.opacity(0.8) : Color(red: 0, green: 0.5, blue: 0).opacity(0.8)
-    }
-    // Slightly darker green for hash suffix emphasis
-    private var darkerTextColor: Color {
-        colorScheme == .dark ? Color.green : Color(red: 0, green: 0.4, blue: 0)
-    }
 
     var body: some View {
+#if os(macOS)
         VStack(spacing: 0) {
-            header
+            ScrollView {
-            Divider()
+                VStack(spacing: 0) {
-            list
+                    headerSection
-            Divider()
+                    notesContent
-            input
+                }
             }
             .background(backgroundColor)
-        .foregroundColor(textColor)
+            inputSection
+        }
+        .frame(minWidth: 420, idealWidth: 440, minHeight: 620, idealHeight: 680)
+        .background(backgroundColor)
         .onDisappear { manager.cancel() }
         .onChange(of: geohash) { newValue in
             manager.setGeohash(newValue)
@@ -50,100 +45,202 @@ struct LocationNotesView: View {
         .onChange(of: manager.notes.count) { newValue in
             onNotesCountChanged?(newValue)
         }
+#else
+        NavigationView {
+            VStack(spacing: 0) {
+                headerSection
+                ScrollView {
+                    notesContent
+                }
+                .frame(maxWidth: .infinity, maxHeight: .infinity)
+                inputSection
+            }
+            .background(backgroundColor)
+            #if os(iOS)
+            .navigationBarTitleDisplayMode(.inline)
+            .navigationBarHidden(true)
+            #else
+            .navigationTitle("")
+            #endif
+        }
+       #if os(iOS)
+        .presentationDetents([.large])
+        #endif
+        .background(backgroundColor)
+        .onDisappear { manager.cancel() }
+        .onChange(of: geohash) { newValue in
+            manager.setGeohash(newValue)
+        }
+        .onAppear { onNotesCountChanged?(manager.notes.count) }
+        .onChange(of: manager.notes.count) { newValue in
+            onNotesCountChanged?(newValue)
+        }
+#endif
     }
 
-    private var header: some View {
+    private var closeButton: some View {
-        HStack {
-            VStack(alignment: .leading, spacing: 2) {
-                HStack(spacing: 4) {
-                    let c = manager.notes.count
-                    Text("\(c) \(c == 1 ? "note" : "notes") ")
-                        .font(.system(size: 16, weight: .bold, design: .monospaced))
-                    Text("@ ")
-                        .font(.system(size: 16, weight: .bold, design: .monospaced))
-                    Text("#\(geohash)")
-                        .font(.system(size: 16, weight: .bold, design: .monospaced))
-                        .foregroundColor(textColor)
-                }
-                if let buildingName = locationManager.locationNames[.building], !buildingName.isEmpty {
-                    Text(buildingName)
-                        .font(.system(size: 12, design: .monospaced))
-                        .foregroundColor(secondaryTextColor)
-                } else if let blockName = locationManager.locationNames[.block], !blockName.isEmpty {
-                    Text(blockName)
-                        .font(.system(size: 12, design: .monospaced))
-                        .foregroundColor(secondaryTextColor)
-                }
-            }
-            Spacer()
         Button(action: { dismiss() }) {
             Image(systemName: "xmark")
-                    .font(.system(size: 13, weight: .semibold, design: .monospaced))
+                .font(.bitchatSystem(size: 13, weight: .semibold, design: .monospaced))
-                    .foregroundColor(textColor)
                 .frame(width: 32, height: 32)
-                    .contentShape(Rectangle())
         }
         .buttonStyle(.plain)
         .accessibilityLabel("Close")
     }
-        .frame(height: 44)
-        .padding(.horizontal, 12)
-        .background(backgroundColor.opacity(0.95))
-    }
 
-    private var list: some View {
+    private var headerSection: some View {
-        ScrollView {
+        let count = manager.notes.count
-            LazyVStack(alignment: .leading, spacing: 8) {
+        return VStack(alignment: .leading, spacing: 8) {
-                ForEach(manager.notes) { note in
+            HStack(spacing: 12) {
-                    VStack(alignment: .leading, spacing: 2) {
+                Text("#\(geohash) • \(count) \(count == 1 ? "note" : "notes")")
-                        HStack(spacing: 6) {
+                    .font(.bitchatSystem(size: 18, design: .monospaced))
-                            // Show @name without the #abcd suffix; timestamp in brackets
+                Spacer()
-                            HStack(spacing: 0) {
+                closeButton
-                                Text("@")
-                                    .font(.system(size: 12, weight: .semibold, design: .monospaced))
-                                    .foregroundColor(textColor)
-                                let parts = splitSuffix(from: note.displayName)
-                                Text(parts.0)
-                                    .font(.system(size: 12, weight: .semibold, design: .monospaced))
-                                    .foregroundColor(textColor)
             }
-                            let ts = timestampText(for: note.createdAt)
+            if let building = locationManager.locationNames[.building], !building.isEmpty {
-                            Text(ts.isEmpty ? "" : "[\(ts)]")
+                Text(building)
-                                .font(.system(size: 11, design: .monospaced))
+                    .font(.bitchatSystem(size: 12, design: .monospaced))
-                                .foregroundColor(secondaryTextColor.opacity(0.8))
+                    .foregroundColor(accentGreen)
+            } else if let block = locationManager.locationNames[.block], !block.isEmpty {
+                Text(block)
+                    .font(.bitchatSystem(size: 12, design: .monospaced))
+                    .foregroundColor(accentGreen)
             }
-                        Text(note.content)
+            Text("add short permanent notes to this location for other visitors to find.")
-                            .font(.system(size: 14, design: .monospaced))
+                .font(.bitchatSystem(size: 12, design: .monospaced))
+                .foregroundColor(.secondary)
                 .fixedSize(horizontal: false, vertical: true)
-                    }
+            if manager.state == .loading && !manager.initialLoadComplete {
-                    .padding(.horizontal, 12)
+                Text("loading recent notes…")
+                    .font(.bitchatSystem(size: 11, design: .monospaced))
+                    .foregroundColor(.secondary)
+            } else if manager.state == .noRelays {
+                Text("geo relays unavailable; notes paused")
+                    .font(.bitchatSystem(size: 11, design: .monospaced))
+                    .foregroundColor(.secondary)
             }
         }
-            .padding(.vertical, 8)
+        .padding(.horizontal, 16)
-        }
+        .padding(.top, 16)
+        .padding(.bottom, 12)
         .background(backgroundColor)
     }
 
-    private var input: some View {
+    private var notesContent: some View {
-        HStack(alignment: .center, spacing: 8) {
+        LazyVStack(alignment: .leading, spacing: 12) {
+            if manager.state == .noRelays {
+                noRelaysRow
+            } else if manager.state == .loading && !manager.initialLoadComplete {
+                loadingRow
+            } else if manager.notes.isEmpty {
+                emptyRow
+            } else {
+                ForEach(manager.notes) { note in
+                    noteRow(note)
+                }
+            }
+
+            if let error = manager.errorMessage, manager.state != .noRelays {
+                errorRow(message: error)
+            }
+        }
+        .padding(.horizontal, 16)
+        .padding(.vertical, 8)
+    }
+
+    private func noteRow(_ note: LocationNotesManager.Note) -> some View {
+        let baseName = note.displayName.split(separator: "#", maxSplits: 1, omittingEmptySubsequences: false).first.map(String.init) ?? note.displayName
+        let ts = timestampText(for: note.createdAt)
+        return VStack(alignment: .leading, spacing: 2) {
+            HStack(spacing: 6) {
+                Text("@\(baseName)")
+                    .font(.bitchatSystem(size: 12, weight: .semibold, design: .monospaced))
+                if !ts.isEmpty {
+                    Text(ts)
+                        .font(.bitchatSystem(size: 11, design: .monospaced))
+                        .foregroundColor(.secondary)
+                }
+                Spacer()
+            }
+            Text(note.content)
+                .font(.bitchatSystem(size: 14, design: .monospaced))
+                .fixedSize(horizontal: false, vertical: true)
+        }
+        .padding(.vertical, 4)
+    }
+
+    private var noRelaysRow: some View {
+        VStack(alignment: .leading, spacing: 4) {
+            Text("no geo relays nearby")
+                .font(.bitchatSystem(size: 13, weight: .semibold, design: .monospaced))
+            Text("notes rely on geo relays. check connection and try again.")
+                .font(.bitchatSystem(size: 12, design: .monospaced))
+                .foregroundColor(.secondary)
+            Button("retry") { manager.refresh() }
+                .font(.bitchatSystem(size: 12, design: .monospaced))
+                .buttonStyle(.plain)
+        }
+        .padding(.vertical, 6)
+    }
+
+    private var loadingRow: some View {
+        HStack(spacing: 10) {
+            ProgressView()
+            Text("loading notes…")
+                .font(.bitchatSystem(size: 12, design: .monospaced))
+                .foregroundColor(.secondary)
+            Spacer()
+        }
+        .padding(.vertical, 8)
+    }
+
+    private var emptyRow: some View {
+        VStack(alignment: .leading, spacing: 4) {
+            Text("no notes yet")
+                .font(.bitchatSystem(size: 13, weight: .semibold, design: .monospaced))
+            Text("be the first to add one for this spot.")
+                .font(.bitchatSystem(size: 12, design: .monospaced))
+                .foregroundColor(.secondary)
+        }
+        .padding(.vertical, 6)
+    }
+
+    private func errorRow(message: String) -> some View {
+        VStack(alignment: .leading, spacing: 4) {
+            HStack(spacing: 6) {
+                Image(systemName: "exclamationmark.triangle.fill")
+                    .font(.bitchatSystem(size: 12, design: .monospaced))
+                Text(message)
+                    .font(.bitchatSystem(size: 12, design: .monospaced))
+                Spacer()
+            }
+            Button("dismiss") { manager.clearError() }
+                .font(.bitchatSystem(size: 12, design: .monospaced))
+                .buttonStyle(.plain)
+        }
+        .padding(.vertical, 6)
+    }
+
+    private var inputSection: some View {
+        HStack(alignment: .top, spacing: 10) {
             TextField("add a note for this place", text: $draft, axis: .vertical)
                 .textFieldStyle(.plain)
-                .font(.system(size: 14, design: .monospaced))
+                .font(.bitchatSystem(size: 14, design: .monospaced))
-                .lineLimit(3, reservesSpace: true)
+                .lineLimit(maxDraftLines, reservesSpace: true)
-                .padding(.horizontal, 12)
+                .padding(.vertical, 6)
-
             Button(action: send) {
                 Image(systemName: "arrow.up.circle.fill")
-                    .font(.system(size: 20))
+                    .font(.bitchatSystem(size: 20))
-                    .foregroundColor(draft.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty ? Color.gray : textColor)
+                    .foregroundColor(sendButtonEnabled ? accentGreen : .secondary)
             }
+            .padding(.top, 2)
             .buttonStyle(.plain)
-            .disabled(draft.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty)
+            .disabled(!sendButtonEnabled)
-            .padding(.trailing, 12)
         }
-        .frame(minHeight: 44)
+        .padding(.horizontal, 16)
-        .padding(.vertical, 8)
+        .padding(.vertical, 14)
-        .background(backgroundColor.opacity(0.95))
+        .background(backgroundColor)
+        .overlay(Divider(), alignment: .top)
     }
 
     private func send() {
@@ -153,15 +250,17 @@ struct LocationNotesView: View {
         draft = ""
     }
 
+    private var sendButtonEnabled: Bool {
+        !draft.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty && manager.state != .noRelays
+    }
+
     // MARK: - Timestamp Formatting
     private func timestampText(for date: Date) -> String {
         let now = Date()
         if let days = Calendar.current.dateComponents([.day], from: date, to: now).day, days < 7 {
-            // Relative (minute/hour/day), no seconds
             let rel = Self.relativeFormatter.string(from: date, to: now) ?? ""
             return rel.isEmpty ? "" : "\(rel) ago"
         } else {
-            // Absolute date (MMM d or MMM d, yyyy if different year)
             let sameYear = Calendar.current.isDate(date, equalTo: now, toGranularity: .year)
             let fmt = sameYear ? Self.absDateFormatter : Self.absDateYearFormatter
             return fmt.string(from: date)
@@ -189,16 +288,3 @@ struct LocationNotesView: View {
         return f
     }()
 }
-
-// Helper to split a trailing #abcd suffix
-private func splitSuffix(from name: String) -> (String, String) {
-    guard name.count >= 5 else { return (name, "") }
-    let suffix = String(name.suffix(5))
-    if suffix.first == "#", suffix.dropFirst().allSatisfy({ c in
-        ("0"..."9").contains(String(c)) || ("a"..."f").contains(String(c)) || ("A"..."F").contains(String(c))
-    }) {
-        let base = String(name.dropLast(5))
-        return (base, suffix)
-    }
-    return (name, "")
-}

bitchat/Views/MeshPeerList.swift

@@ -15,7 +15,7 @@ struct MeshPeerList: View {
         if viewModel.allPeers.isEmpty {
             VStack(alignment: .leading, spacing: 0) {
                 Text("nobody around...")
-                    .font(.system(size: 14, design: .monospaced))
+                    .font(.bitchatSystem(size: 14, design: .monospaced))
                     .foregroundColor(secondaryTextColor)
                     .padding(.horizontal)
                     .padding(.top, 12)
@@ -45,27 +45,27 @@ struct MeshPeerList: View {
                         let baseColor = isMe ? Color.orange : assigned
                         if isMe {
                             Image(systemName: "person.fill")
-                                .font(.system(size: 10))
+                                .font(.bitchatSystem(size: 10))
                                 .foregroundColor(baseColor)
                         } else if peer.isConnected {
                             // Mesh-connected peer: radio icon
                             Image(systemName: "antenna.radiowaves.left.and.right")
-                                .font(.system(size: 10))
+                                .font(.bitchatSystem(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))
+                                .font(.bitchatSystem(size: 10))
                                 .foregroundColor(baseColor)
                         } else if peer.isMutualFavorite {
                             // Mutual favorite reachable via Nostr: globe icon (purple)
                             Image(systemName: "globe")
-                                .font(.system(size: 10))
+                                .font(.bitchatSystem(size: 10))
                                 .foregroundColor(.purple)
                         } else {
                             // Fallback icon for others (dimmed)
                             Image(systemName: "person")
-                                .font(.system(size: 10))
+                                .font(.bitchatSystem(size: 10))
                                 .foregroundColor(secondaryTextColor)
                         }
 
@@ -73,19 +73,19 @@ struct MeshPeerList: View {
                         let (base, suffix) = splitSuffix(from: displayName)
                         HStack(spacing: 0) {
                             Text(base)
-                                .font(.system(size: 14, design: .monospaced))
+                                .font(.bitchatSystem(size: 14, design: .monospaced))
                                 .foregroundColor(baseColor)
                             if !suffix.isEmpty {
                                 let suffixColor = isMe ? Color.orange.opacity(0.6) : baseColor.opacity(0.6)
                                 Text(suffix)
-                                    .font(.system(size: 14, design: .monospaced))
+                                    .font(.bitchatSystem(size: 14, design: .monospaced))
                                     .foregroundColor(suffixColor)
                             }
                         }
 
                         if !isMe, viewModel.isPeerBlocked(peer.id) {
                             Image(systemName: "nosign")
-                                .font(.system(size: 10))
+                                .font(.bitchatSystem(size: 10))
                                 .foregroundColor(.red)
                                 .help("Blocked")
                         }
@@ -94,7 +94,7 @@ struct MeshPeerList: View {
                             if peer.isConnected {
                                 if let icon = item.enc.icon {
                                     Image(systemName: icon)
-                                        .font(.system(size: 10))
+                                        .font(.bitchatSystem(size: 10))
                                         .foregroundColor(baseColor)
                                 }
                             } else {
@@ -102,12 +102,12 @@ struct MeshPeerList: View {
                                 if let fp = viewModel.getFingerprint(for: peer.id),
                                    viewModel.verifiedFingerprints.contains(fp) {
                                     Image(systemName: "checkmark.seal.fill")
-                                        .font(.system(size: 10))
+                                        .font(.bitchatSystem(size: 10))
                                         .foregroundColor(baseColor)
                                 } else if let icon = item.enc.icon {
                                     // Fallback to whatever status says (likely lock if we had a past session)
                                     Image(systemName: icon)
-                                        .font(.system(size: 10))
+                                        .font(.bitchatSystem(size: 10))
                                         .foregroundColor(baseColor)
                                 }
                             }
@@ -118,7 +118,7 @@ struct MeshPeerList: View {
                         // Unread message indicator for this peer
                         if !isMe, item.hasUnread {
                             Image(systemName: "envelope.fill")
-                                .font(.system(size: 10))
+                                .font(.bitchatSystem(size: 10))
                                 .foregroundColor(.orange)
                                 .help("New messages")
                         }
@@ -126,7 +126,7 @@ struct MeshPeerList: View {
                         if !isMe {
                             Button(action: { onToggleFavorite(peer.id) }) {
                                 Image(systemName: (peer.favoriteStatus?.isFavorite ?? false) ? "star.fill" : "star")
-                                    .font(.system(size: 12))
+                                    .font(.bitchatSystem(size: 12))
                                     .foregroundColor((peer.favoriteStatus?.isFavorite ?? false) ? .yellow : secondaryTextColor)
                             }
                             .buttonStyle(.plain)

bitchat/Views/VerificationViews.swift

@@ -16,7 +16,7 @@ struct MyQRView: View {
     var body: some View {
         VStack(spacing: 12) {
             Text("scan to verify me")
-                .font(.system(size: 16, weight: .bold, design: .monospaced))
+                .font(.bitchatSystem(size: 16, weight: .bold, design: .monospaced))
 
             VStack(spacing: 10) {
                 QRCodeImage(data: qrString, size: 240)
@@ -24,7 +24,7 @@ struct MyQRView: View {
 
                 // Non-scrolling, fully visible URL (wraps across lines)
                 Text(qrString)
-                    .font(.system(size: 11, design: .monospaced))
+                    .font(.bitchatSystem(size: 11, design: .monospaced))
                     .textSelection(.enabled)
                     .multilineTextAlignment(.leading)
                     .fixedSize(horizontal: false, vertical: true)
@@ -60,7 +60,7 @@ struct QRCodeImage: View {
                     .frame(width: size, height: size)
                     .overlay(
                         Text("qr unavailable")
-                            .font(.system(size: 12, design: .monospaced))
+                            .font(.bitchatSystem(size: 12, design: .monospaced))
                             .foregroundColor(.gray)
                     )
             }
@@ -119,7 +119,7 @@ struct QRScanView: View {
             .clipShape(RoundedRectangle(cornerRadius: 8))
             #else
             Text("paste qr content to validate:")
-                .font(.system(size: 14, weight: .medium, design: .monospaced))
+                .font(.bitchatSystem(size: 14, weight: .medium, design: .monospaced))
             TextEditor(text: $input)
                 .frame(height: 100)
                 .border(Color.gray.opacity(0.4))
@@ -255,7 +255,7 @@ struct VerificationSheetView: View {
             // Top header (always at top)
             HStack {
                 Text("VERIFY")
-                    .font(.system(size: 14, weight: .bold, design: .monospaced))
+                    .font(.bitchatSystem(size: 14, weight: .bold, design: .monospaced))
                     .foregroundColor(accentColor)
                 Spacer()
                 Button(action: {
@@ -263,7 +263,7 @@ struct VerificationSheetView: View {
                     isPresented = false
                 }) {
                     Image(systemName: "xmark")
-                        .font(.system(size: 14, weight: .semibold))
+                        .font(.bitchatSystem(size: 14, weight: .semibold))
                         .foregroundColor(accentColor)
                 }
                 .buttonStyle(.plain)
@@ -279,7 +279,7 @@ struct VerificationSheetView: View {
                 if showingScanner {
                     VStack(alignment: .leading, spacing: 12) {
                         Text("scan a friend's qr")
-                            .font(.system(size: 16, weight: .bold, design: .monospaced))
+                            .font(.bitchatSystem(size: 16, weight: .bold, design: .monospaced))
                             .frame(maxWidth: .infinity)
                             .multilineTextAlignment(.center)
                             .foregroundColor(accentColor)
@@ -310,13 +310,13 @@ struct VerificationSheetView: View {
                 if showingScanner {
                     Button(action: { showingScanner = false }) {
                         Label("show my qr", systemImage: "qrcode")
-                            .font(.system(size: 13, design: .monospaced))
+                            .font(.bitchatSystem(size: 13, design: .monospaced))
                     }
                     .buttonStyle(.bordered)
                 } else {
                     Button(action: { showingScanner = true }) {
                         Label("scan someone else's qr", systemImage: "camera.viewfinder")
-                            .font(.system(size: 13, weight: .medium, design: .monospaced))
+                            .font(.bitchatSystem(size: 13, weight: .medium, design: .monospaced))
                     }
                     .buttonStyle(.bordered)
                     .tint(.gray)
@@ -328,7 +328,7 @@ struct VerificationSheetView: View {
                    viewModel.verifiedFingerprints.contains(fp) {
                     Button(action: { viewModel.unverifyFingerprint(for: pid) }) {
                         Label("remove verification", systemImage: "minus.circle")
-                            .font(.system(size: 12, design: .monospaced))
+                            .font(.bitchatSystem(size: 12, design: .monospaced))
                     }
                     .buttonStyle(.bordered)
                     .tint(.gray)

bitchatShareExtension/ShareViewController.swift

@@ -35,8 +35,9 @@ final class ShareViewController: UIViewController {
             statusLabel.leadingAnchor.constraint(greaterThanOrEqualTo: view.layoutMarginsGuide.leadingAnchor),
             statusLabel.trailingAnchor.constraint(lessThanOrEqualTo: view.layoutMarginsGuide.trailingAnchor)
         ])
-
+        DispatchQueue.global().async {
-        processShare()
+            self.processShare()
+        }
     }
 
     // MARK: - Processing
@@ -163,7 +164,7 @@ final class ShareViewController: UIViewController {
         statusLabel.text = msg
         // Complete shortly after showing status
         DispatchQueue.main.asyncAfter(deadline: .now() + TransportConfig.uiShareExtensionDismissDelaySeconds) {
-            self.extensionContext?.completeRequest(returningItems: nil, completionHandler: nil)
+            self.extensionContext?.completeRequest(returningItems: [], completionHandler: nil)
         }
     }
 }

bitchatTests/FontBitchatTests.swift

@@ -0,0 +1,16 @@
+import SwiftUI
+import XCTest
+@testable import bitchat
+
+final class FontBitchatTests: XCTestCase {
+    func testMonospacedMapping() {
+        XCTAssertEqual(Font.bitchatSystem(size: 10, design: .monospaced), Font.system(.caption2, design: .monospaced))
+        XCTAssertEqual(Font.bitchatSystem(size: 14, design: .monospaced), Font.system(.body, design: .monospaced))
+        XCTAssertEqual(Font.bitchatSystem(size: 20, design: .monospaced), Font.system(.title2, design: .monospaced))
+    }
+
+    func testWeightIsPreserved() {
+        let bold = Font.bitchatSystem(size: 14, weight: .bold, design: .monospaced)
+        XCTAssertEqual(bold, Font.system(.body, design: .monospaced).weight(.bold))
+    }
+}

bitchatTests/GCSFilterTests.swift

@@ -0,0 +1,22 @@
+import XCTest
+@testable import bitchat
+
+final class GCSFilterTests: XCTestCase {
+    func testBuildFilterWithDuplicateIdsProducesStableEncoding() {
+        let id = Data(repeating: 0xAB, count: 16)
+        let ids = Array(repeating: id, count: 64)
+
+        let params = GCSFilter.buildFilter(ids: ids, maxBytes: 128, targetFpr: 0.01)
+        XCTAssertGreaterThanOrEqual(params.m, 1)
+
+        let decoded = GCSFilter.decodeToSortedSet(p: params.p, m: params.m, data: params.data)
+        XCTAssertLessThanOrEqual(decoded.count, 1)
+    }
+
+    func testBucketAvoidsZeroCandidate() {
+        let id = Data(repeating: 0x01, count: 16)
+        let bucket = GCSFilter.bucket(for: id, modulus: 2)
+        XCTAssertNotEqual(bucket, 0)
+        XCTAssertLessThan(bucket, 2)
+    }
+}

bitchatTests/GossipSyncManagerTests.swift

@@ -0,0 +1,70 @@
+import Foundation
+import XCTest
+@testable import bitchat
+
+final class GossipSyncManagerTests: XCTestCase {
+    func testConcurrentPacketIntakeAndSyncRequest() {
+        let manager = GossipSyncManager(myPeerID: "0102030405060708")
+        let delegate = RecordingDelegate()
+        let sendExpectation = expectation(description: "sync request sent")
+        delegate.onSend = { sendExpectation.fulfill() }
+        manager.delegate = delegate
+
+        let iterations = 200
+        let group = DispatchGroup()
+
+        for i in 0..<iterations {
+            group.enter()
+            DispatchQueue.global(qos: .userInitiated).async {
+                let packet = BitchatPacket(
+                    type: MessageType.message.rawValue,
+                    senderID: Data(hexString: "1122334455667788") ?? Data(),
+                    recipientID: nil,
+                    timestamp: 1_000_000 + UInt64(i),
+                    payload: Data([UInt8(truncatingIfNeeded: i)]),
+                    signature: nil,
+                    ttl: 1
+                )
+                manager.onPublicPacketSeen(packet)
+                Thread.sleep(forTimeInterval: 0.001)
+                group.leave()
+            }
+        }
+
+        DispatchQueue.global(qos: .userInitiated).asyncAfter(deadline: .now() + 0.002) {
+            manager.scheduleInitialSyncToPeer("FFFFFFFFFFFFFFFF", delaySeconds: 0.0)
+        }
+
+        group.wait()
+        wait(for: [sendExpectation], timeout: 2.0)
+
+        guard let lastPacket = delegate.lastPacket else {
+            XCTFail("Expected sync packet to be sent")
+            return
+        }
+
+        XCTAssertEqual(lastPacket.type, MessageType.requestSync.rawValue)
+        XCTAssertNotNil(RequestSyncPacket.decode(from: lastPacket.payload))
+    }
+}
+
+private final class RecordingDelegate: GossipSyncManager.Delegate {
+    var onSend: (() -> Void)?
+    private(set) var lastPacket: BitchatPacket?
+    private let lock = NSLock()
+
+    func sendPacket(_ packet: BitchatPacket) {
+        lock.lock()
+        lastPacket = packet
+        lock.unlock()
+        onSend?()
+    }
+
+    func sendPacket(to peerID: String, packet: BitchatPacket) {
+        sendPacket(packet)
+    }
+
+    func signPacketForBroadcast(_ packet: BitchatPacket) -> BitchatPacket {
+        packet
+    }
+}

bitchatTests/LocationNotesManagerTests.swift

@@ -0,0 +1,146 @@
+import XCTest
+@testable import bitchat
+
+@MainActor
+final class LocationNotesManagerTests: XCTestCase {
+    func testSubscribeWithoutRelaysSetsNoRelaysState() {
+        var subscribeCalled = false
+        let deps = LocationNotesDependencies(
+            relayLookup: { _, _ in [] },
+            subscribe: { _, _, _, _, _ in
+                subscribeCalled = true
+            },
+            unsubscribe: { _ in },
+            sendEvent: { _, _ in },
+            deriveIdentity: { _ in fatalError("should not derive identity") },
+            now: { Date() }
+        )
+
+        let manager = LocationNotesManager(geohash: "abcd1234", dependencies: deps)
+
+        XCTAssertFalse(subscribeCalled)
+        XCTAssertEqual(manager.state, .noRelays)
+        XCTAssertTrue(manager.initialLoadComplete)
+        XCTAssertEqual(manager.errorMessage, "No geo relays available near this location. Try again soon.")
+    }
+
+    func testSendWhenNoRelaysSurfacesError() {
+        var sendCalled = false
+        let deps = LocationNotesDependencies(
+            relayLookup: { _, _ in [] },
+            subscribe: { _, _, _, _, _ in },
+            unsubscribe: { _ in },
+            sendEvent: { _, _ in sendCalled = true },
+            deriveIdentity: { _ in throw TestError.shouldNotDerive },
+            now: { Date() }
+        )
+
+        let manager = LocationNotesManager(geohash: "zzzzzzzz", dependencies: deps)
+        manager.send(content: "hello", nickname: "tester")
+
+        XCTAssertFalse(sendCalled)
+        XCTAssertEqual(manager.state, .noRelays)
+        XCTAssertEqual(manager.errorMessage, "No geo relays available near this location. Try again soon.")
+    }
+
+    func testSubscribeUsesGeoRelaysAndAppendsNotes() {
+        var relaysCaptured: [String] = []
+        var storedHandler: ((NostrEvent) -> Void)?
+        var storedEOSE: (() -> Void)?
+        let deps = LocationNotesDependencies(
+            relayLookup: { _, _ in ["wss://relay.one"] },
+            subscribe: { filter, id, relays, handler, eose in
+                XCTAssertEqual(filter.kinds, [1])
+                XCTAssertFalse(id.isEmpty)
+                relaysCaptured = relays
+                storedHandler = handler
+                storedEOSE = eose
+            },
+            unsubscribe: { _ in },
+            sendEvent: { _, _ in },
+            deriveIdentity: { _ in throw TestError.shouldNotDerive },
+            now: { Date() }
+        )
+
+        let manager = LocationNotesManager(geohash: "abcd1234", dependencies: deps)
+        XCTAssertEqual(relaysCaptured, ["wss://relay.one"])
+        XCTAssertEqual(manager.state, .loading)
+
+        var event = NostrEvent(
+            pubkey: "pub",
+            createdAt: Date(),
+            kind: .textNote,
+            tags: [["g", "abcd1234"]],
+            content: "hi"
+        )
+        event.id = "event1"
+        storedHandler?(event)
+        storedEOSE?()
+
+        XCTAssertEqual(manager.state, .ready)
+        XCTAssertEqual(manager.notes.count, 1)
+        XCTAssertEqual(manager.notes.first?.content, "hi")
+    }
+
+    private enum TestError: Error {
+        case shouldNotDerive
+    }
+}
+
+@MainActor
+final class LocationNotesCounterTests: XCTestCase {
+    func testSubscribeWithoutRelaysMarksUnavailable() {
+        var subscribeCalled = false
+        let deps = LocationNotesCounterDependencies(
+            relayLookup: { _, _ in [] },
+            subscribe: { _, _, _, _, _ in subscribeCalled = true },
+            unsubscribe: { _ in }
+        )
+
+        let counter = LocationNotesCounter(testDependencies: deps)
+        counter.subscribe(geohash: "abcdefgh")
+
+        XCTAssertFalse(subscribeCalled)
+        XCTAssertFalse(counter.relayAvailable)
+        XCTAssertTrue(counter.initialLoadComplete)
+        XCTAssertEqual(counter.count, 0)
+    }
+
+    func testSubscribeCountsUniqueNotes() {
+        var storedHandler: ((NostrEvent) -> Void)?
+        var storedEOSE: (() -> Void)?
+        let deps = LocationNotesCounterDependencies(
+            relayLookup: { _, _ in ["wss://relay.geo"] },
+            subscribe: { filter, id, relays, handler, eose in
+                XCTAssertEqual(relays, ["wss://relay.geo"])
+                XCTAssertEqual(filter.kinds, [1])
+                XCTAssertFalse(id.isEmpty)
+                storedHandler = handler
+                storedEOSE = eose
+            },
+            unsubscribe: { _ in }
+        )
+
+        let counter = LocationNotesCounter(testDependencies: deps)
+        counter.subscribe(geohash: "abcdefgh")
+
+        var first = NostrEvent(
+            pubkey: "pub",
+            createdAt: Date(),
+            kind: .textNote,
+            tags: [["g", "abcdefgh"]],
+            content: "a"
+        )
+        first.id = "eventA"
+        storedHandler?(first)
+
+        let duplicate = first
+        storedHandler?(duplicate)
+
+        storedEOSE?()
+
+        XCTAssertTrue(counter.relayAvailable)
+        XCTAssertEqual(counter.count, 1)
+        XCTAssertTrue(counter.initialLoadComplete)
+    }
+}

bitchatTests/NotificationStreamAssemblerTests.swift

@@ -0,0 +1,111 @@
+import XCTest
+@testable import bitchat
+
+final class NotificationStreamAssemblerTests: XCTestCase {
+    private func makePacket(timestamp: UInt64 = 0x0102030405) -> BitchatPacket {
+        let sender = Data([0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77])
+        return BitchatPacket(
+            type: MessageType.message.rawValue,
+            senderID: sender,
+            recipientID: nil,
+            timestamp: timestamp,
+            payload: Data([0xDE, 0xAD, 0xBE, 0xEF]),
+            signature: nil,
+            ttl: 3
+        )
+    }
+
+    func testAssemblesSingleFrameAcrossChunks() {
+        var assembler = NotificationStreamAssembler()
+        let packet = makePacket()
+        guard let frame = packet.toBinaryData(padding: false) else {
+            return XCTFail("Failed to encode packet")
+        }
+        XCTAssertNotNil(BinaryProtocol.decode(frame))
+        let payloadLen = (Int(frame[12]) << 8) | Int(frame[13])
+        XCTAssertEqual(payloadLen, packet.payload.count)
+
+        let splitIndex = min(20, max(1, frame.count / 2))
+        let first = frame.prefix(splitIndex)
+        let second = frame.suffix(from: splitIndex)
+        XCTAssertEqual(first.count + second.count, frame.count)
+
+        var result = assembler.append(first)
+        XCTAssertTrue(result.frames.isEmpty)
+        XCTAssertTrue(result.droppedPrefixes.isEmpty)
+        XCTAssertFalse(result.reset)
+
+        result = assembler.append(second)
+        XCTAssertEqual(result.frames.count, 1)
+        XCTAssertTrue(result.droppedPrefixes.isEmpty)
+        XCTAssertFalse(result.reset)
+
+        guard let frameData = result.frames.first else {
+            return XCTFail("Missing frame data")
+        }
+        if frameData.count != frame.count {
+            XCTFail("Frame size mismatch: expected \(frame.count) got \(frameData.count)\nframe=\(Array(frame))\nassembled=\(Array(frameData))")
+            return
+        }
+        guard let decoded = BinaryProtocol.decode(frameData) else {
+            return XCTFail("Failed to decode frame")
+        }
+        XCTAssertEqual(decoded.type, packet.type)
+        XCTAssertEqual(decoded.payload, packet.payload)
+        XCTAssertEqual(decoded.senderID, packet.senderID)
+        XCTAssertEqual(decoded.timestamp, packet.timestamp)
+
+        var directAssembler = NotificationStreamAssembler()
+        let directResult = directAssembler.append(frame)
+        XCTAssertEqual(directResult.frames.first?.count, frame.count)
+    }
+
+    func testAssemblesMultipleFramesSequentially() {
+        var assembler = NotificationStreamAssembler()
+        let packet1 = makePacket(timestamp: 0xABC)
+        let packet2 = makePacket(timestamp: 0xDEF)
+
+        guard let frame1 = packet1.toBinaryData(padding: false),
+              let frame2 = packet2.toBinaryData(padding: false) else {
+            return XCTFail("Failed to encode packets")
+        }
+
+        var combined = Data()
+        combined.append(frame1)
+        combined.append(frame2)
+        let firstChunk = combined.prefix(20)
+        let secondChunk = combined.suffix(from: 20)
+
+        var result = assembler.append(firstChunk)
+        XCTAssertTrue(result.frames.isEmpty)
+
+        result = assembler.append(secondChunk)
+        XCTAssertEqual(result.frames.count, 2)
+        guard let decoded1 = BinaryProtocol.decode(result.frames[0]),
+              let decoded2 = BinaryProtocol.decode(result.frames[1]) else {
+            return XCTFail("Failed to decode frames")
+        }
+        XCTAssertEqual(decoded1.timestamp, packet1.timestamp)
+        XCTAssertEqual(decoded2.timestamp, packet2.timestamp)
+    }
+
+    func testDropsInvalidPrefixByte() {
+        var assembler = NotificationStreamAssembler()
+        let packet = makePacket(timestamp: 0xF00)
+        guard let frame = packet.toBinaryData(padding: false) else {
+            return XCTFail("Failed to encode packet")
+        }
+        var noisyFrame = Data([0x00])
+        noisyFrame.append(frame)
+
+        let result = assembler.append(noisyFrame)
+        XCTAssertEqual(result.droppedPrefixes, [0x00])
+        XCTAssertEqual(result.frames.count, 1)
+        XCTAssertFalse(result.reset)
+
+        guard let decoded = BinaryProtocol.decode(result.frames[0]) else {
+            return XCTFail("Failed to decode frame after drop")
+        }
+        XCTAssertEqual(decoded.timestamp, packet.timestamp)
+    }
+}

relays/online_relays_gps.csv

@@ -1,264 +1,275 @@
 Relay URL,Latitude,Longitude
-relay.laantungir.net,-19.4692,-42.5315
+nostr.tac.lol,47.4748,-122.273
-relay.endfiat.money,43.6532,-79.3832
+relay.javi.space,43.4633,11.8796
-relay.zone667.com,60.1699,24.9384
-shu04.shugur.net,25.2604,55.2989
-relay.bitcoinartclock.com,50.4754,12.3683
-relay.nostromo.social,49.4543,11.0746
-nostr.liberty.fans,36.9104,-89.5875
-roles-az-achieving-somebody.trycloudflare.com,43.6532,-79.3832
-nostr-rs-relay.dev.fedibtc.com,39.0438,-77.4874
-relay.nostr.wirednet.jp,34.706,135.493
 nostr.einundzwanzig.space,50.1109,8.68213
-relay.21e6.cz,50.1682,14.0546
+nostr.kalf.org,52.3676,4.90414
-relay04.lnfi.network,39.0997,-94.5786
+wot.dtonon.com,43.6532,-79.3832
-relay.chorus.community,50.1109,8.68213
+nostr-01.yakihonne.com,1.32123,103.695
-relay.nostr.place,32.7767,-96.797
+wot.basspistol.org,49.4521,11.0767
-relay.vrtmrz.net,43.6532,-79.3832
+relay.puresignal.news,43.6532,-79.3832
-noxir.kpherox.dev,34.8587,135.509
+nostrelites.org,41.8781,-87.6298
-wot.nostr.net,43.6532,-79.3832
+nostr-relay.nextblockvending.com,47.674,-122.122
-relay.cypherflow.ai,48.8566,2.35222
+relay03.lnfi.network,39.0997,-94.5786
-wot.sudocarlos.com,51.5072,-0.127586
+nproxy.kristapsk.lv,60.1699,24.9384
-nostr.jerrynya.fun,31.2304,121.474
+relay.toastr.net,40.8054,-74.0241
-nostr2.girino.org,43.6532,-79.3832
-nostrings-relay-dev.fly.dev,41.8781,-87.6298
-fanfares.nostr1.com,40.7128,-74.006
-nostr.red5d.dev,43.6532,-79.3832
-nostr.hifish.org,47.4043,8.57398
-nostr.now,36.55,139.733
-relay.nostr.band,60.1699,24.9384
-relay.wavlake.com,41.2619,-95.8608
-nostr.bilthon.dev,25.8128,-80.2377
-khatru.nostrver.se,51.8933,4.42083
-relay.bitcoindistrict.org,43.6532,-79.3832
-nostr.makibisskey.work,43.6532,-79.3832
-relay.nostraddress.com,43.6532,-79.3832
-relay.jmoose.rocks,60.1699,24.9384
 relay.davidebtc.me,51.5072,-0.127586
-a.nos.lol,50.4754,12.3683
+wot.nostr.net,43.6532,-79.3832
-nostr.tadryanom.me,43.6532,-79.3832
-relay.nostrdice.com,-33.8688,151.209
-relay.lumina.rocks,49.0291,8.35695
-relay.goodmorningbitcoin.com,43.6532,-79.3832
-nostr.rtvslawenia.com,49.4543,11.0746
 relay.mattybs.lol,43.6532,-79.3832
+relay.zone667.com,60.1699,24.9384
+nostr.kungfu-g.rip,33.7946,-84.4488
+relay.mccormick.cx,52.3563,4.95714
+relay.dwadziesciajeden.pl,52.2297,21.0122
+nostr.data.haus,50.4754,12.3683
+vitor.nostr1.com,40.7128,-74.006
+purpura.cloud,43.6532,-79.3832
+relay2.angor.io,48.1046,11.6002
+nos.lol,50.4754,12.3683
+nostr.rohoss.com,50.1109,8.68213
+strfry.bonsai.com,37.8715,-122.273
+relay.fountain.fm,39.0997,-94.5786
+relay.npubhaus.com,43.6532,-79.3832
+relay.nostr.wirednet.jp,34.706,135.493
+soloco.nl,43.6532,-79.3832
+shu01.shugur.net,21.4902,39.2246
+nostr.davidebtc.me,51.5072,-0.127586
+pyramid.fiatjaf.com,50.1109,8.68213
+relay.ditto.pub,43.6532,-79.3832
+relay.nostr.vet,52.6467,4.7395
+relay.wavlake.com,41.2619,-95.8608
+ribo.eu.nostria.app,52.3676,4.90414
+relay.ngengine.org,43.6532,-79.3832
+relay.bitcoinveneto.org,64.1466,-21.9426
+no.str.cr,9.92857,-84.0528
+relay.primal.net,43.6532,-79.3832
+ynostr.yael.at,60.1699,24.9384
+nostr.camalolo.com,24.1469,120.684
+purplerelay.com,50.1109,8.68213
+nostr-rs-relay-ishosta.phamthanh.me,43.6532,-79.3832
+relay.internationalright-wing.org,-22.5022,-48.7114
+wheat.happytavern.co,43.6532,-79.3832
+nostr.lostr.space,43.6532,-79.3832
+relay.tagayasu.xyz,43.6715,-79.38
+relay.varke.eu,52.6921,6.19372
+free.relayted.de,50.1109,8.68213
+nostr.thebiglake.org,32.71,-96.6745
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