wip voice

bitchat.xcodeproj/project.pbxproj

@@ -11,7 +11,6 @@
 		0481A3A02E744D6300FC845E /* tor-nolzma.xcframework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0481A39F2E744D6300FC845E /* tor-nolzma.xcframework */; };
 		0481A3A12E744D6300FC845E /* tor-nolzma.xcframework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0481A39F2E744D6300FC845E /* tor-nolzma.xcframework */; };
 		048A88812E76FD18000FBCDD /* libz.tbd in Frameworks */ = {isa = PBXBuildFile; fileRef = 0481A35C2E6DA18600FC845E /* libz.tbd */; };
-		17901751FD8010AFC8E750F2 /* bitchatShareExtension.appex in Embed Foundation Extensions */ = {isa = PBXBuildFile; fileRef = 61F92EBA29C47C0FCC482F1F /* bitchatShareExtension.appex */; settings = {ATTRIBUTES = (RemoveHeadersOnCopy, ); }; };
 		3EE336D150427F736F32B56C /* P256K in Frameworks */ = {isa = PBXBuildFile; productRef = B1D9136AA0083366353BFA2F /* P256K */; };
 		885BBED78092484A5B069461 /* P256K in Frameworks */ = {isa = PBXBuildFile; productRef = 4EB6BA1B8464F1EA38F4E286 /* P256K */; };
 		A6E3E5702E77036A0032EA8A /* BitLogger in Frameworks */ = {isa = PBXBuildFile; productRef = A6E3E56F2E77036A0032EA8A /* BitLogger */; };
@@ -28,13 +27,6 @@
 			remoteGlobalIDString = AF077EA0474EDEDE2C72716C;
 			remoteInfo = bitchat_iOS;
 		};
-		E35E7AF9854A2E72452DD34F /* PBXContainerItemProxy */ = {
-			isa = PBXContainerItemProxy;
-			containerPortal = 475D96681D0EA0AE57A4E06E /* Project object */;
-			proxyType = 1;
-			remoteGlobalIDString = 57CA17A36A2532A6CFF367BB;
-			remoteInfo = bitchatShareExtension;
-		};
 		FF470234EF8C6BB8865B80B5 /* PBXContainerItemProxy */ = {
 			isa = PBXContainerItemProxy;
 			containerPortal = 475D96681D0EA0AE57A4E06E /* Project object */;
@@ -50,7 +42,6 @@
 			dstPath = "";
 			dstSubfolder = PlugIns;
 			files = (
-				17901751FD8010AFC8E750F2 /* bitchatShareExtension.appex in Embed Foundation Extensions */,
 			);
 			name = "Embed Foundation Extensions";
 		};
@@ -60,7 +51,6 @@
 		03C57F452B55FD0FD8F51421 /* bitchatTests_macOS.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = bitchatTests_macOS.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
 		0481A35C2E6DA18600FC845E /* libz.tbd */ = {isa = PBXFileReference; lastKnownFileType = "sourcecode.text-based-dylib-definition"; name = libz.tbd; path = usr/lib/libz.tbd; sourceTree = SDKROOT; };
 		0481A39F2E744D6300FC845E /* tor-nolzma.xcframework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcframework; path = "tor-nolzma.xcframework"; sourceTree = "<group>"; };
-		61F92EBA29C47C0FCC482F1F /* bitchatShareExtension.appex */ = {isa = PBXFileReference; explicitFileType = "wrapper.app-extension"; includeInIndex = 0; path = bitchatShareExtension.appex; sourceTree = BUILT_PRODUCTS_DIR; };
 		8F3A7C058C2C8E1A06C8CF8B /* bitchat.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = bitchat.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		96D0D41CA19EE5A772AA8434 /* bitchat.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = bitchat.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		C0DB1DE27F0AAB5092663E8E /* bitchatTests_iOS.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = bitchatTests_iOS.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -68,13 +58,6 @@
 /* End PBXFileReference section */
 
 /* Begin PBXFileSystemSynchronizedBuildFileExceptionSet section */
-		A6E32D1B2E762EA70032EA8A /* Exceptions for "bitchat" folder in "bitchatShareExtension" target */ = {
-			isa = PBXFileSystemSynchronizedBuildFileExceptionSet;
-			membershipExceptions = (
-				Services/TransportConfig.swift,
-			);
-			target = 57CA17A36A2532A6CFF367BB /* bitchatShareExtension */;
-		};
 		A6E32D1C2E762EA70032EA8A /* Exceptions for "bitchat" folder in "bitchat_iOS" target */ = {
 			isa = PBXFileSystemSynchronizedBuildFileExceptionSet;
 			membershipExceptions = (
@@ -91,20 +74,12 @@
 			);
 			target = 0576A29205865664C0937536 /* bitchat_macOS */;
 		};
-		A6E32D232E762EAB0032EA8A /* Exceptions for "bitchatShareExtension" folder in "bitchatShareExtension" target */ = {
-			isa = PBXFileSystemSynchronizedBuildFileExceptionSet;
-			membershipExceptions = (
-				ShareViewController.swift,
-			);
-			target = 57CA17A36A2532A6CFF367BB /* bitchatShareExtension */;
-		};
 /* End PBXFileSystemSynchronizedBuildFileExceptionSet section */
 
 /* Begin PBXFileSystemSynchronizedRootGroup section */
 		A6E32C972E762EA70032EA8A /* bitchat */ = {
 			isa = PBXFileSystemSynchronizedRootGroup;
 			exceptions = (
-				A6E32D1B2E762EA70032EA8A /* Exceptions for "bitchat" folder in "bitchatShareExtension" target */,
 				A6E32D1C2E762EA70032EA8A /* Exceptions for "bitchat" folder in "bitchat_iOS" target */,
 				A6E32D1D2E762EA70032EA8A /* Exceptions for "bitchat" folder in "bitchat_macOS" target */,
 			);
@@ -113,9 +88,6 @@
 		};
 		A6E32D212E762EAB0032EA8A /* bitchatShareExtension */ = {
 			isa = PBXFileSystemSynchronizedRootGroup;
-			exceptions = (
-				A6E32D232E762EAB0032EA8A /* Exceptions for "bitchatShareExtension" folder in "bitchatShareExtension" target */,
-			);
 			path = bitchatShareExtension;
 			sourceTree = "<group>";
 		};
@@ -180,7 +152,6 @@
 			children = (
 				96D0D41CA19EE5A772AA8434 /* bitchat.app */,
 				8F3A7C058C2C8E1A06C8CF8B /* bitchat.app */,
-				61F92EBA29C47C0FCC482F1F /* bitchatShareExtension.appex */,
 				C0DB1DE27F0AAB5092663E8E /* bitchatTests_iOS.xctest */,
 				03C57F452B55FD0FD8F51421 /* bitchatTests_macOS.xctest */,
 			);
@@ -231,19 +202,6 @@
 			productReference = 03C57F452B55FD0FD8F51421 /* bitchatTests_macOS.xctest */;
 			productType = "com.apple.product-type.bundle.unit-test";
 		};
-		57CA17A36A2532A6CFF367BB /* bitchatShareExtension */ = {
-			isa = PBXNativeTarget;
-			buildConfigurationList = E4EA6DC648DF55FF84032EB5 /* Build configuration list for PBXNativeTarget "bitchatShareExtension" */;
-			buildPhases = (
-				0A08E70F08F55FD5BA8C7EF3 /* Sources */,
-			);
-			buildRules = (
-			);
-			name = bitchatShareExtension;
-			productName = bitchatShareExtension;
-			productReference = 61F92EBA29C47C0FCC482F1F /* bitchatShareExtension.appex */;
-			productType = "com.apple.product-type.app-extension";
-		};
 		6CB97DF2EA57234CB3E563B8 /* bitchatTests_iOS */ = {
 			isa = PBXNativeTarget;
 			buildConfigurationList = 38C4AF6313E5037F25CEF30B /* Build configuration list for PBXNativeTarget "bitchatTests_iOS" */;
@@ -274,9 +232,6 @@
 			);
 			buildRules = (
 			);
-			dependencies = (
-				6EB655BA5DB11909C1DEC460 /* PBXTargetDependency */,
-			);
 			fileSystemSynchronizedGroups = (
 				A6E32C972E762EA70032EA8A /* bitchat */,
 			);
@@ -315,7 +270,6 @@
 			projectDirPath = "";
 			projectRoot = "";
 			targets = (
-				57CA17A36A2532A6CFF367BB /* bitchatShareExtension */,
 				6CB97DF2EA57234CB3E563B8 /* bitchatTests_iOS */,
 				47FF23248747DD7CB666CB91 /* bitchatTests_macOS */,
 				AF077EA0474EDEDE2C72716C /* bitchat_iOS */,
@@ -340,11 +294,6 @@
 /* End PBXResourcesBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
-		0A08E70F08F55FD5BA8C7EF3 /* Sources */ = {
-			isa = PBXSourcesBuildPhase;
-			files = (
-			);
-		};
 		137ABE739BF20ACDDF8CC605 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
 			files = (
@@ -373,11 +322,6 @@
 			target = 0576A29205865664C0937536 /* bitchat_macOS */;
 			targetProxy = FF470234EF8C6BB8865B80B5 /* PBXContainerItemProxy */;
 		};
-		6EB655BA5DB11909C1DEC460 /* PBXTargetDependency */ = {
-			isa = PBXTargetDependency;
-			target = 57CA17A36A2532A6CFF367BB /* bitchatShareExtension */;
-			targetProxy = E35E7AF9854A2E72452DD34F /* PBXContainerItemProxy */;
-		};
 		D8C09F21DB7DC06E8E672C21 /* PBXTargetDependency */ = {
 			isa = PBXTargetDependency;
 			target = AF077EA0474EDEDE2C72716C /* bitchat_iOS */;
@@ -462,37 +406,6 @@
 			};
 			name = Release;
 		};
-		3DCF45111852FB2AEBE05E31 /* Release configuration for PBXNativeTarget "bitchatShareExtension" */ = {
-			isa = XCBuildConfiguration;
-			baseConfigurationReferenceAnchor = A6E367C92E76469E0032EA8A /* Configs */;
-			baseConfigurationReferenceRelativePath = Release.xcconfig;
-			buildSettings = {
-				CODE_SIGNING_ALLOWED = YES;
-				CODE_SIGNING_REQUIRED = YES;
-				CODE_SIGN_ALLOW_ENTITLEMENTS_MODIFICATION = YES;
-				CODE_SIGN_ENTITLEMENTS = bitchatShareExtension/bitchatShareExtension.entitlements;
-				CODE_SIGN_STYLE = "$(CODE_SIGN_STYLE)";
-				DEVELOPMENT_TEAM = "$(DEVELOPMENT_TEAM)";
-				INFOPLIST_FILE = bitchatShareExtension/Info.plist;
-				INFOPLIST_KEY_CFBundleDisplayName = bitchat;
-				IPHONEOS_DEPLOYMENT_TARGET = "$(IPHONEOS_DEPLOYMENT_TARGET)";
-				LD_RUNPATH_SEARCH_PATHS = (
-					"$(inherited)",
-					"@executable_path/Frameworks",
-					"@executable_path/../../Frameworks",
-				);
-				MARKETING_VERSION = "$(MARKETING_VERSION)";
-				PRODUCT_BUNDLE_IDENTIFIER = "$(PRODUCT_BUNDLE_IDENTIFIER).ShareExtension";
-				SDKROOT = iphoneos;
-				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
-				SUPPORTS_MACCATALYST = NO;
-				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
-				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
-				SWIFT_VERSION = "$(SWIFT_VERSION)";
-				TARGETED_DEVICE_FAMILY = 1;
-			};
-			name = Release;
-		};
 		702E7395723CADA4B830F4A9 /* Debug configuration for PBXNativeTarget "bitchat_iOS" */ = {
 			isa = XCBuildConfiguration;
 			baseConfigurationReferenceAnchor = A6E367C92E76469E0032EA8A /* Configs */;
@@ -504,7 +417,7 @@
 				CODE_SIGNING_REQUIRED = YES;
 				CODE_SIGN_ENTITLEMENTS = bitchat/bitchat.entitlements;
 				CODE_SIGN_STYLE = "$(CODE_SIGN_STYLE)";
-				DEVELOPMENT_TEAM = "$(DEVELOPMENT_TEAM)";
+				DEVELOPMENT_TEAM = 66W2RU3J5T;
 				ENABLE_PREVIEWS = NO;
 				INFOPLIST_FILE = bitchat/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = bitchat;
@@ -516,6 +429,7 @@
 				);
 				MARKETING_VERSION = "$(MARKETING_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(PRODUCT_BUNDLE_IDENTIFIER)";
+				"PRODUCT_BUNDLE_IDENTIFIER[sdk=iphoneos*]" = "chat.bitchat-local";
 				PRODUCT_NAME = bitchat;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
@@ -564,7 +478,7 @@
 				CODE_SIGNING_REQUIRED = YES;
 				CODE_SIGN_ENTITLEMENTS = bitchat/bitchat.entitlements;
 				CODE_SIGN_STYLE = "$(CODE_SIGN_STYLE)";
-				DEVELOPMENT_TEAM = "$(DEVELOPMENT_TEAM)";
+				DEVELOPMENT_TEAM = 66W2RU3J5T;
 				ENABLE_PREVIEWS = YES;
 				INFOPLIST_FILE = bitchat/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = bitchat;
@@ -576,6 +490,7 @@
 				);
 				MARKETING_VERSION = "$(MARKETING_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(PRODUCT_BUNDLE_IDENTIFIER)";
+				"PRODUCT_BUNDLE_IDENTIFIER[sdk=iphoneos*]" = "chat.bitchat-local";
 				PRODUCT_NAME = bitchat;
 				SDKROOT = iphoneos;
 				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
@@ -600,7 +515,7 @@
 				CODE_SIGN_STYLE = "$(CODE_SIGN_STYLE)";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEAD_CODE_STRIPPING = YES;
-				DEVELOPMENT_TEAM = "$(DEVELOPMENT_TEAM)";
+				DEVELOPMENT_TEAM = 66W2RU3J5T;
 				ENABLE_PREVIEWS = YES;
 				INFOPLIST_FILE = bitchat/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = bitchat;
@@ -611,6 +526,7 @@
 				MACOSX_DEPLOYMENT_TARGET = "$(MACOSX_DEPLOYMENT_TARGET)";
 				MARKETING_VERSION = "$(MARKETING_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(PRODUCT_BUNDLE_IDENTIFIER)";
+				"PRODUCT_BUNDLE_IDENTIFIER[sdk=macosx*]" = "chat.bitchat-local";
 				PRODUCT_NAME = bitchat;
 				REGISTER_APP_GROUPS = YES;
 				SDKROOT = macosx;
@@ -691,7 +607,7 @@
 				CODE_SIGN_STYLE = "$(CODE_SIGN_STYLE)";
 				COMBINE_HIDPI_IMAGES = YES;
 				DEAD_CODE_STRIPPING = YES;
-				DEVELOPMENT_TEAM = "$(DEVELOPMENT_TEAM)";
+				DEVELOPMENT_TEAM = 66W2RU3J5T;
 				ENABLE_PREVIEWS = NO;
 				INFOPLIST_FILE = bitchat/Info.plist;
 				INFOPLIST_KEY_CFBundleDisplayName = bitchat;
@@ -702,6 +618,7 @@
 				MACOSX_DEPLOYMENT_TARGET = "$(MACOSX_DEPLOYMENT_TARGET)";
 				MARKETING_VERSION = "$(MARKETING_VERSION)";
 				PRODUCT_BUNDLE_IDENTIFIER = "$(PRODUCT_BUNDLE_IDENTIFIER)";
+				"PRODUCT_BUNDLE_IDENTIFIER[sdk=macosx*]" = "chat.bitchat-local";
 				PRODUCT_NAME = bitchat;
 				REGISTER_APP_GROUPS = YES;
 				SDKROOT = macosx;
@@ -776,37 +693,6 @@
 			};
 			name = Debug;
 		};
-		DAC5E82049F8A97360BE63D6 /* Debug configuration for PBXNativeTarget "bitchatShareExtension" */ = {
-			isa = XCBuildConfiguration;
-			baseConfigurationReferenceAnchor = A6E367C92E76469E0032EA8A /* Configs */;
-			baseConfigurationReferenceRelativePath = Debug.xcconfig;
-			buildSettings = {
-				CODE_SIGNING_ALLOWED = YES;
-				CODE_SIGNING_REQUIRED = YES;
-				CODE_SIGN_ALLOW_ENTITLEMENTS_MODIFICATION = YES;
-				CODE_SIGN_ENTITLEMENTS = bitchatShareExtension/bitchatShareExtension.entitlements;
-				CODE_SIGN_STYLE = "$(CODE_SIGN_STYLE)";
-				DEVELOPMENT_TEAM = "$(DEVELOPMENT_TEAM)";
-				INFOPLIST_FILE = bitchatShareExtension/Info.plist;
-				INFOPLIST_KEY_CFBundleDisplayName = bitchat;
-				IPHONEOS_DEPLOYMENT_TARGET = "$(IPHONEOS_DEPLOYMENT_TARGET)";
-				LD_RUNPATH_SEARCH_PATHS = (
-					"$(inherited)",
-					"@executable_path/Frameworks",
-					"@executable_path/../../Frameworks",
-				);
-				MARKETING_VERSION = "$(MARKETING_VERSION)";
-				PRODUCT_BUNDLE_IDENTIFIER = "$(PRODUCT_BUNDLE_IDENTIFIER).ShareExtension";
-				SDKROOT = iphoneos;
-				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
-				SUPPORTS_MACCATALYST = NO;
-				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
-				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
-				SWIFT_VERSION = "$(SWIFT_VERSION)";
-				TARGETED_DEVICE_FAMILY = 1;
-			};
-			name = Debug;
-		};
 /* End XCBuildConfiguration section */
 
 /* Begin XCConfigurationList section */
@@ -850,14 +736,6 @@
 			);
 			defaultConfigurationName = Debug;
 		};
-		E4EA6DC648DF55FF84032EB5 /* Build configuration list for PBXNativeTarget "bitchatShareExtension" */ = {
-			isa = XCConfigurationList;
-			buildConfigurations = (
-				DAC5E82049F8A97360BE63D6 /* Debug configuration for PBXNativeTarget "bitchatShareExtension" */,
-				3DCF45111852FB2AEBE05E31 /* Release configuration for PBXNativeTarget "bitchatShareExtension" */,
-			);
-			defaultConfigurationName = Debug;
-		};
 /* End XCConfigurationList section */
 
 /* Begin XCLocalSwiftPackageReference section */

bitchat/Features/voice/VoiceRecorder.swift

@@ -0,0 +1,51 @@
+import Foundation
+import AVFoundation
+
+final class VoiceRecorder: NSObject, AVAudioRecorderDelegate {
+    private var recorder: AVAudioRecorder?
+    private(set) var isRecording = false
+
+    func startRecording(to url: URL) throws {
+        let session = AVAudioSession.sharedInstance()
+        try session.setCategory(.playAndRecord, mode: .default, options: [.defaultToSpeaker])
+        try session.setActive(true)
+
+        let settings: [String: Any] = [
+            AVFormatIDKey: kAudioFormatMPEG4AAC,
+            AVSampleRateKey: 44100,
+            AVNumberOfChannelsKey: 1,
+            AVEncoderBitRateKey: 32000
+        ]
+        recorder = try AVAudioRecorder(url: url, settings: settings)
+        recorder?.delegate = self
+        recorder?.isMeteringEnabled = true
+        guard recorder?.record() == true else { throw NSError(domain: "VoiceRecorder", code: -1) }
+        isRecording = true
+    }
+
+    func stopRecording(completion: @escaping () -> Void) {
+        guard isRecording else { completion(); return }
+        // Add 500ms padding to avoid clipping
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.5) { [weak self] in
+            self?.recorder?.stop()
+            self?.isRecording = false
+            completion()
+        }
+    }
+}
+
+enum VoiceRecorderPaths {
+    static func outgoingURL() throws -> URL {
+        let fm = FileManager.default
+        let base = try fm.url(for: .applicationSupportDirectory, in: .userDomainMask, appropriateFor: nil, create: true)
+        let folder = base.appendingPathComponent("bitchat_voicenotes/outgoing", isDirectory: true)
+        if !fm.fileExists(atPath: folder.path) {
+            try fm.createDirectory(at: folder, withIntermediateDirectories: true)
+        }
+        let ts = ISO8601DateFormatter()
+        ts.formatOptions = [.withInternetDateTime, .withDashSeparatorInDate, .withColonSeparatorInTime]
+        let name = "voice_\(Int(Date().timeIntervalSince1970)).m4a"
+        return folder.appendingPathComponent(name)
+    }
+}
+

bitchat/Features/voice/Waveform.swift

@@ -0,0 +1,76 @@
+import Foundation
+import AVFoundation
+import Accelerate
+
+struct WaveformCache {
+    static var shared = WaveformCache()
+    private var cache: [String: [Float]] = [:]
+    mutating func set(_ bins: [Float], for path: String) { cache[path] = bins }
+    func get(_ path: String) -> [Float]? { cache[path] }
+}
+
+enum WaveformExtractor {
+    static func extractBins(url: URL, binCount: Int = 120) -> [Float] {
+        if let cached = WaveformCache.shared.get(url.path) { return cached }
+        let asset = AVURLAsset(url: url)
+        guard let track = asset.tracks(withMediaType: .audio).first else { return [] }
+        let reader: AVAssetReader
+        do { reader = try AVAssetReader(asset: asset) } catch { return [] }
+        let outputSettings: [String: Any] = [
+            AVFormatIDKey: kAudioFormatLinearPCM,
+            AVLinearPCMBitDepthKey: 16,
+            AVLinearPCMIsBigEndianKey: false,
+            AVLinearPCMIsFloatKey: false,
+            AVLinearPCMIsNonInterleaved: false
+        ]
+        let output = AVAssetReaderTrackOutput(track: track, outputSettings: outputSettings)
+        output.alwaysCopiesSampleData = false
+        if reader.canAdd(output) { reader.add(output) } else { return [] }
+        guard reader.startReading() else { return [] }
+
+        var samples: [Float] = []
+        while reader.status == .reading {
+            guard let buffer = output.copyNextSampleBuffer() else { break }
+            if let block = CMSampleBufferGetDataBuffer(buffer) {
+                var length = 0
+                var dataPointer: UnsafeMutablePointer<Int8>?
+                if CMBlockBufferGetDataPointer(block, atOffset: 0, lengthAtOffsetOut: nil, totalLengthOut: &length, dataPointerOut: &dataPointer) == kCMBlockBufferNoErr,
+                   let base = dataPointer {
+                    // 16-bit signed little endian
+                    let count = length / 2
+                    var floats = [Float](repeating: 0, count: count)
+                    base.withMemoryRebound(to: Int16.self, capacity: count) { ptr in
+                        vDSP.convertElements(of: UnsafeBufferPointer(start: ptr, count: count), to: &floats)
+                    }
+                    // Normalize to [-1,1]
+                    var maxVal: Float = 32768.0
+                    vDSP.divide(floats, maxVal, result: &floats)
+                    samples += floats
+                }
+            }
+            CMSampleBufferInvalidate(buffer)
+        }
+
+        guard !samples.isEmpty, reader.status == .completed || reader.status == .reading else { return [] }
+        // Reduce to bins by RMS per window
+        let window = max(1, samples.count / binCount)
+        var bins: [Float] = []
+        bins.reserveCapacity(binCount)
+        var i = 0
+        while i < samples.count && bins.count < binCount {
+            let end = min(i + window, samples.count)
+            let slice = samples[i..<end]
+            var sum: Float = 0
+            vDSP_svesq(slice.map { $0 }, 1, &sum, vDSP_Length(slice.count))
+            let rms = sqrtf(sum / Float(slice.count))
+            bins.append(min(1.0, rms))
+            i = end
+        }
+        if bins.count < binCount {
+            bins += Array(repeating: 0, count: binCount - bins.count)
+        }
+        WaveformCache.shared.set(bins, for: url.path)
+        return bins
+    }
+}
+

bitchat/Info.plist

@@ -39,6 +39,8 @@
 	<string>bitchat uses the camera to scan QR codes to verify peers.</string>
 	<key>NSLocationWhenInUseUsageDescription</key>
 	<string>bitchat uses your approximate location to compute local geohash channels for optional public chats. Exact GPS is never shared.</string>
+	<key>NSMicrophoneUsageDescription</key>
+	<string>bitchat uses the microphone to record and send short voice notes to nearby peers.</string>
 	<key>UIBackgroundModes</key>
 	<array>
 		<string>bluetooth-central</string>

bitchat/Models/BitchatFilePacket.swift

@@ -0,0 +1,93 @@
+//
+// BitchatFilePacket.swift
+// bitchat
+//
+// TLV encoder/decoder for file transfer payloads (audio/images)
+// Types: 0x01 FILE_NAME (utf8), 0x02 FILE_SIZE (8 bytes, BE), 0x03 MIME_TYPE (utf8), 0x04 CONTENT (raw)
+//
+
+import Foundation
+import CryptoKit
+
+struct BitchatFilePacket {
+    enum TLVType: UInt8 {
+        case fileName  = 0x01
+        case fileSize  = 0x02
+        case mimeType  = 0x03
+        case content   = 0x04
+    }
+
+    let fileName: String
+    let fileSize: UInt64
+    let mimeType: String
+    let content: Data
+
+    func encode() -> Data? {
+        var out = Data()
+        func appendTLV(_ type: TLVType, _ value: Data) {
+            out.append(type.rawValue)
+            let len = UInt16(min(value.count, 0xFFFF))
+            out.append(UInt8((len >> 8) & 0xFF))
+            out.append(UInt8(len & 0xFF))
+            out.append(value.prefix(Int(len)))
+        }
+        // FILE_NAME
+        if let nameData = fileName.data(using: .utf8) { appendTLV(.fileName, nameData) }
+        // FILE_SIZE (8 bytes, BE)
+        var sizeBE = Data()
+        for i in (0..<8).reversed() { sizeBE.append(UInt8((fileSize >> (i * 8)) & 0xFF)) }
+        appendTLV(.fileSize, sizeBE)
+        // MIME_TYPE
+        if let mimeData = mimeType.data(using: .utf8) { appendTLV(.mimeType, mimeData) }
+        // CONTENT
+        appendTLV(.content, content)
+        return out
+    }
+
+    static func decode(from data: Data) -> BitchatFilePacket? {
+        var idx = 0
+        func read(_ n: Int) -> Data? {
+            guard idx + n <= data.count else { return nil }
+            defer { idx += n }
+            return data.subdata(in: idx..<(idx+n))
+        }
+        func read8() -> UInt8? { read(1)?.first }
+        func read16() -> UInt16? {
+            guard let d = read(2) else { return nil }
+            return (UInt16(d[0]) << 8) | UInt16(d[1])
+        }
+
+        var name: String?
+        var size: UInt64?
+        var mime: String?
+        var content = Data()
+
+        while idx < data.count {
+            guard let t = read8(), let tlvType = TLVType(rawValue: t), let len = read16() else { return nil }
+            let l = Int(len)
+            guard let val = read(l) else { return nil }
+            switch tlvType {
+            case .fileName:
+                name = String(data: val, encoding: .utf8)
+            case .fileSize:
+                guard l == 8 else { return nil }
+                var s: UInt64 = 0
+                for b in val { s = (s << 8) | UInt64(b) }
+                size = s
+            case .mimeType:
+                mime = String(data: val, encoding: .utf8)
+            case .content:
+                content = val
+            }
+        }
+
+        // Validate
+        guard !content.isEmpty else { return nil }
+        let finalSize = size ?? UInt64(content.count)
+        let finalName = name ?? "file"
+        let finalMime = mime ?? "application/octet-stream"
+        return BitchatFilePacket(fileName: finalName, fileSize: finalSize, mimeType: finalMime, content: content)
+    }
+}
+
+extension Data { func sha256Hex() -> String { SHA256.hash(data: self).map { String(format: "%02x", $0) }.joined() } }

bitchat/Protocols/BitchatProtocol.swift

@@ -78,6 +78,7 @@ enum MessageType: UInt8 {
     
     // Fragmentation (simplified)
     case fragment = 0x20        // Single fragment type for large messages
+    case fileTransfer = 0x22    // File transfer (audio/images) TLV payload
     
     var description: String {
         switch self {
@@ -88,6 +89,7 @@ enum MessageType: UInt8 {
         case .noiseHandshake: return "noiseHandshake"
         case .noiseEncrypted: return "noiseEncrypted"
         case .fragment: return "fragment"
+        case .fileTransfer: return "fileTransfer"
         }
     }
 }

bitchat/Services/BLEService.swift

@@ -16,7 +16,7 @@ final class BLEService: NSObject {
     // MARK: - Constants
     
     #if DEBUG
-    static let serviceUUID = CBUUID(string: "F47B5E2D-4A9E-4C5A-9B3F-8E1D2C3A4B5A") // testnet
+    static let serviceUUID = CBUUID(string: "F47B5E2D-4A9E-4C5A-9B3F-8E1D2C3A4B5C") // testnet
     #else
     static let serviceUUID = CBUUID(string: "F47B5E2D-4A9E-4C5A-9B3F-8E1D2C3A4B5C") // mainnet
     #endif
@@ -1276,6 +1276,118 @@ final class BLEService: NSObject {
             }
         }
     }
+
+    // File transfer with progress: send TLV payload inside a FILE_TRANSFER packet.
+    // Reports .partiallyDelivered via delegate for the provided messageID during fragmentation.
+    func sendFileTransferTLV(_ payload: Data, recipientPeerID: String?, transferId: String, messageID: String) {
+        // Build packet
+        let recipientData: Data? = recipientPeerID.flatMap { Data(hexString: $0) }
+        var packet = BitchatPacket(
+            type: MessageType.fileTransfer.rawValue,
+            senderID: myPeerIDData,
+            recipientID: recipientData,
+            timestamp: UInt64(Date().timeIntervalSince1970 * 1000),
+            payload: payload,
+            signature: nil,
+            ttl: messageTTL
+        )
+        // For private sends, sign (integrity)
+        if recipientData != nil {
+            if let signed = noiseService.signPacket(packet) { packet = signed }
+        }
+
+        // Encode once to decide if fragmentation is needed on current links
+        let pad = padPolicy(for: packet.type)
+        guard let data = packet.toBinaryData(padding: pad) else { return }
+
+        // Determine max link MTU across active links similar to sendOnAllLinks
+        let states = snapshotPeripheralStates()
+        var minCentralWriteLen: Int?
+        for s in states where s.isConnected {
+            let m = s.peripheral.maximumWriteValueLength(for: .withoutResponse)
+            minCentralWriteLen = minCentralWriteLen.map { min($0, m) } ?? m
+        }
+        var minNotifyLen: Int?
+        do {
+            let (centrals, _) = snapshotSubscribedCentrals()
+            if !centrals.isEmpty {
+                minNotifyLen = centrals.map { $0.maximumUpdateValueLength }.min()
+            }
+        }
+
+        let needsFragment = {
+            if let minLen = [minCentralWriteLen, minNotifyLen].compactMap({ $0 }).min() {
+                return data.count > minLen
+            }
+            return false
+        }()
+
+        if needsFragment {
+            let overhead = 13 + 8 + 8 + 13
+            let minLen = [minCentralWriteLen, minNotifyLen].compactMap({ $0 }).min() ?? defaultFragmentSize
+            let chunk = max(64, minLen - overhead)
+
+            // Create fragments and emit progress per fragment
+            guard let fullData = packet.toBinaryData(padding: pad) else { return }
+            let fragmentID = Data((0..<8).map { _ in UInt8.random(in: 0...255) })
+            let fragments = stride(from: 0, to: fullData.count, by: chunk).map { offset in
+                Data(fullData[offset..<min(offset + chunk, fullData.count)])
+            }
+            let total = fragments.count
+
+            // Pause scanning for long trains as in sendFragmentedPacket
+            if total > 4 {
+                bleQueue.async { [weak self] in
+                    guard let self = self, let c = self.centralManager, c.state == .poweredOn else { return }
+                    if c.isScanning { c.stopScan() }
+                    let expectedMs = min(TransportConfig.bleExpectedWriteMaxMs, total * TransportConfig.bleExpectedWritePerFragmentMs)
+                    self.bleQueue.asyncAfter(deadline: .now() + .milliseconds(expectedMs)) { [weak self] in self?.startScanning() }
+                }
+            }
+
+            for (index, fragment) in fragments.enumerated() {
+                var fragPayload = Data()
+                fragPayload.append(fragmentID)
+                fragPayload.append(contentsOf: withUnsafeBytes(of: UInt16(index).bigEndian) { Data($0) })
+                fragPayload.append(contentsOf: withUnsafeBytes(of: UInt16(total).bigEndian) { Data($0) })
+                fragPayload.append(packet.type)
+                fragPayload.append(fragment)
+
+                let fragmentRecipient: Data? = recipientData
+                let fragmentPacket = BitchatPacket(
+                    type: MessageType.fragment.rawValue,
+                    senderID: packet.senderID,
+                    recipientID: fragmentRecipient,
+                    timestamp: packet.timestamp,
+                    payload: fragPayload,
+                    signature: nil,
+                    ttl: packet.ttl
+                )
+                let perFragMs = (recipientData != nil) ? TransportConfig.bleFragmentSpacingDirectedMs : TransportConfig.bleFragmentSpacingMs
+                let delayMs = index * perFragMs
+
+                // Emit progress to UI just before scheduling send
+                notifyUI { [weak self] in
+                    self?.delegate?.didUpdateMessageDeliveryStatus(messageID, status: .partiallyDelivered(reached: index, total: total))
+                }
+
+                messageQueue.asyncAfter(deadline: .now() + .milliseconds(delayMs)) { [weak self] in
+                    self?.broadcastPacket(fragmentPacket)
+                    if index == total - 1 {
+                        self?.notifyUI { [weak self] in
+                            self?.delegate?.didUpdateMessageDeliveryStatus(messageID, status: .sent)
+                        }
+                    }
+                }
+            }
+        } else {
+            // Single packet path
+            broadcastPacket(packet)
+            notifyUI { [weak self] in
+                self?.delegate?.didUpdateMessageDeliveryStatus(messageID, status: .sent)
+            }
+        }
+    }
     
     private func handleFragment(_ packet: BitchatPacket, from peerID: String) {
         // Don't process our own fragments
@@ -1418,6 +1530,9 @@ final class BLEService: NSObject {
             
         case .fragment:
             handleFragment(packet, from: senderID)
+        
+        case .fileTransfer:
+            handleFileTransfer(packet, from: senderID)
             
         case .leave:
             handleLeave(packet, from: senderID)
@@ -1460,6 +1575,64 @@ final class BLEService: NSObject {
             messageQueue.asyncAfter(deadline: .now() + .milliseconds(decision.delayMs), execute: work)
         }
     }
+
+    private func handleFileTransfer(_ packet: BitchatPacket, from peerID: String) {
+        // Decode TLV
+        guard let file = BitchatFilePacket.decode(from: packet.payload) else {
+            SecureLogger.error("❌ Failed to decode file TLV from \(peerID)", category: .session)
+            return
+        }
+        // Persist to app files in type-specific folder
+        let isAudio = file.mimeType.lowercased().hasPrefix("audio/")
+        let subfolder = isAudio ? "voicenotes/incoming" : "images/incoming"
+        let ext: String = {
+            if let inferred = file.fileName.split(separator: ".").last { return String(inferred) }
+            if isAudio { return "m4a" }
+            return "bin"
+        }()
+        let unique = "\(Int(Date().timeIntervalSince1970))_\(UUID().uuidString.prefix(8)).\(ext)"
+        guard let savedURL = saveToAppFiles(subpath: subfolder, fileName: unique, data: file.content) else { return }
+
+        // Build synthetic message
+        let nickname = peerNickname(peerID: peerID) ?? "user"
+        let ts = Date(timeIntervalSince1970: TimeInterval(packet.timestamp) / 1000.0)
+        let marker = isAudio ? "[voice]" : "[image]"
+        let content = "\(marker) \(savedURL.path)"
+
+        let message = BitchatMessage(
+            id: UUID().uuidString,
+            sender: nickname,
+            content: content,
+            timestamp: ts,
+            isRelay: false,
+            originalSender: nil,
+            isPrivate: packet.recipientID != nil,
+            recipientNickname: nil,
+            senderPeerID: peerID,
+            mentions: nil,
+            deliveryStatus: nil
+        )
+        notifyUI { [weak self] in
+            self?.delegate?.didReceiveMessage(message)
+        }
+    }
+
+    private func saveToAppFiles(subpath: String, fileName: String, data: Data) -> URL? {
+        do {
+            let fm = FileManager.default
+            let base = try fm.url(for: .applicationSupportDirectory, in: .userDomainMask, appropriateFor: nil, create: true)
+            let folder = base.appendingPathComponent("bitchat_\(subpath)", isDirectory: true)
+            if !fm.fileExists(atPath: folder.path) {
+                try fm.createDirectory(at: folder, withIntermediateDirectories: true)
+            }
+            let url = folder.appendingPathComponent(fileName)
+            try data.write(to: url, options: .atomic)
+            return url
+        } catch {
+            SecureLogger.error("❌ Failed to save incoming file: \(error)", category: .session)
+            return nil
+        }
+    }
     
     private func handleAnnounce(_ packet: BitchatPacket, from peerID: String) {
         guard let announcement = AnnouncementPacket.decode(from: packet.payload) else {

bitchat/Services/NostrTransport.swift

@@ -4,6 +4,10 @@ import Combine
 
 // Minimal Nostr transport conforming to Transport for offline sending
 final class NostrTransport: Transport {
+    func sendFileTransferTLV(_ payload: Data, recipientPeerID: String?, transferId: String, messageID: String) {
+        return
+    }
+    
     weak var delegate: BitchatDelegate?
     weak var peerEventsDelegate: TransportPeerEventsDelegate?
     var peerSnapshotPublisher: AnyPublisher<[TransportPeerSnapshot], Never> {

bitchat/Services/Transport.swift

@@ -47,6 +47,9 @@ protocol Transport: AnyObject {
     func sendBroadcastAnnounce()
     func sendDeliveryAck(for messageID: String, to peerID: String)
 
+    // Media transfer (file transfer TLV)
+    func sendFileTransferTLV(_ payload: Data, recipientPeerID: String?, transferId: String, messageID: String)
+
     // QR verification (optional for transports)
     func sendVerifyChallenge(to peerID: String, noiseKeyHex: String, nonceA: Data)
     func sendVerifyResponse(to peerID: String, noiseKeyHex: String, nonceA: Data)

bitchat/ViewModels/ChatViewModel.swift

@@ -6048,5 +6048,65 @@ private func checkForMentions(_ message: BitchatMessage) {
         }
         #endif
     }
+
+    // MARK: - Voice Notes (Audio)
+    @MainActor
+    func sendVoiceNote(fileURL: URL) {
+        // Read file data
+        guard let data = try? Data(contentsOf: fileURL) else { return }
+        let name = fileURL.lastPathComponent
+        let mime = "audio/mp4"
+        let tlv = BitchatFilePacket(fileName: name, fileSize: UInt64(data.count), mimeType: mime, content: data)
+        guard let payload = tlv.encode() else { return }
+        let transferId = payload.sha256Hex()
+
+        let contentMarker = "[voice] \(fileURL.path)"
+        let now = Date()
+
+        if let peer = selectedPrivateChatPeer {
+            let messageID = UUID().uuidString
+            let msg = BitchatMessage(
+                id: messageID,
+                sender: nickname,
+                content: contentMarker,
+                timestamp: now,
+                isRelay: false,
+                originalSender: nil,
+                isPrivate: true,
+                recipientNickname: meshService.peerNickname(peerID: peer),
+                senderPeerID: meshService.myPeerID,
+                mentions: nil,
+                deliveryStatus: .sending
+            )
+            appendToPrivateChat(peerID: peer, message: msg)
+            meshService.sendFileTransferTLV(payload, recipientPeerID: peer, transferId: transferId, messageID: messageID)
+        } else {
+            let messageID = UUID().uuidString
+            let msg = BitchatMessage(
+                id: messageID,
+                sender: nickname,
+                content: contentMarker,
+                timestamp: now,
+                isRelay: false,
+                originalSender: nil,
+                isPrivate: false,
+                recipientNickname: nil,
+                senderPeerID: meshService.myPeerID,
+                mentions: nil,
+                deliveryStatus: .sending
+            )
+            publicBuffer.append(msg)
+            schedulePublicFlush()
+            meshService.sendFileTransferTLV(payload, recipientPeerID: nil, transferId: transferId, messageID: messageID)
+        }
+    }
+
+    @MainActor
+    private func appendToPrivateChat(peerID: String, message: BitchatMessage) {
+        var arr = privateChats[peerID] ?? []
+        arr.append(message)
+        privateChats[peerID] = arr
+        objectWillChange.send()
+    }
 }
 // End of ChatViewModel class

bitchat/Views/ContentView.swift

@@ -57,6 +57,10 @@ struct ContentView: View {
     // Window sizes for rendering (infinite scroll up)
     @State private var windowCountPublic: Int = 300
     @State private var windowCountPrivate: [String: Int] = [:]
+    #if os(iOS)
+    @State private var voiceRecorder = VoiceRecorder()
+    @State private var isRecordingVoice = false
+    #endif
     
     // MARK: - Computed Properties
     
@@ -305,20 +309,44 @@ struct ContentView: View {
                                     // Precompute heavy token scans once per row
                                     let cashuTokens = message.content.extractCashuTokens()
                                     let lightningLinks = message.content.extractLightningLinks()
-                                    HStack(alignment: .top, spacing: 0) {
+                                    let isVoice = message.content.hasPrefix("[voice] ")
-                                        let isLong = (message.content.count > TransportConfig.uiLongMessageLengthThreshold || message.content.hasVeryLongToken(threshold: TransportConfig.uiVeryLongTokenThreshold)) && cashuTokens.isEmpty
+                                    if isVoice {
-                                        let isExpanded = expandedMessageIDs.contains(message.id)
+                                        // Hide the raw marker text; render custom voice view
-                                        Text(viewModel.formatMessageAsText(message, colorScheme: colorScheme))
+                                        HStack(alignment: .center, spacing: 8) {
-                                            .fixedSize(horizontal: false, vertical: true)
+                                            let path = String(message.content.dropFirst("[voice] ".count))
-                                            .lineLimit(isLong && !isExpanded ? TransportConfig.uiLongMessageLineLimit : nil)
+                                            let prog: Double? = {
-                                            .frame(maxWidth: .infinity, alignment: .leading)
+                                                if let st = message.deliveryStatus {
-                                        
+                                                    if case .partiallyDelivered(let r, let t) = st, t > 0 {
-                                        // Delivery status indicator for private messages
+                                                        return min(1.0, max(0.0, Double(r) / Double(t)))
+                                                    }
+                                                }
+                                                return nil
+                                            }()
+                                            VoiceMessageRow(fileURL: URL(fileURLWithPath: path), sendProgress: prog)
+                                        }
+                                        .frame(maxWidth: .infinity, alignment: .leading)
+                                        // Delivery status for our own private voice messages
                                         if message.isPrivate && message.sender == viewModel.nickname,
                                            let status = message.deliveryStatus {
                                             DeliveryStatusView(status: status, colorScheme: colorScheme)
                                                 .padding(.leading, 4)
                                         }
+                                    } else {
+                                        HStack(alignment: .top, spacing: 0) {
+                                            let isLong = (message.content.count > TransportConfig.uiLongMessageLengthThreshold || message.content.hasVeryLongToken(threshold: TransportConfig.uiVeryLongTokenThreshold)) && cashuTokens.isEmpty
+                                            let isExpanded = expandedMessageIDs.contains(message.id)
+                                            Text(viewModel.formatMessageAsText(message, colorScheme: colorScheme))
+                                                .fixedSize(horizontal: false, vertical: true)
+                                                .lineLimit(isLong && !isExpanded ? TransportConfig.uiLongMessageLineLimit : nil)
+                                                .frame(maxWidth: .infinity, alignment: .leading)
+                                            
+                                            // Delivery status indicator for private messages
+                                            if message.isPrivate && message.sender == viewModel.nickname,
+                                               let status = message.deliveryStatus {
+                                                DeliveryStatusView(status: status, colorScheme: colorScheme)
+                                                    .padding(.leading, 4)
+                                            }
+                                        }
                                     }
                                     
                                     // Expand/Collapse for very long messages
@@ -870,17 +898,69 @@ struct ContentView: View {
                     sendMessage()
                 }
             
-            Button(action: sendMessage) {
+            Group {
-                Image(systemName: "arrow.up.circle.fill")
+                if messageText.isEmpty {
-                    .font(.system(size: 20))
+                    #if os(iOS)
-                    .foregroundColor(messageText.isEmpty ? Color.gray :
+                    Image(systemName: isRecordingVoice ? "mic.circle.fill" : "mic.circle")
-                                            viewModel.selectedPrivateChatPeer != nil
+                        .font(.system(size: 22))
-                                             ? Color.orange : textColor)
+                        .foregroundColor(isRecordingVoice ? .red : (viewModel.selectedPrivateChatPeer != nil ? Color.orange : textColor))
+                        .padding(.trailing, 12)
+                        .gesture(
+                            LongPressGesture(minimumDuration: 0.2)
+                                .onChanged { _ in
+                                    if !isRecordingVoice {
+                                        do {
+                                            let url = try VoiceRecorderPaths.outgoingURL()
+                                            try voiceRecorder.startRecording(to: url)
+                                            isRecordingVoice = true
+                                        } catch {
+                                            isRecordingVoice = false
+                                        }
+                                    }
+                                }
+                                .onEnded { _ in
+                                    voiceRecorder.stopRecording {
+                                        isRecordingVoice = false
+                                        // Send the most recent recorded file
+                                        do {
+                                            let fm = FileManager.default
+                                            let base = try fm.url(for: .applicationSupportDirectory, in: .userDomainMask, appropriateFor: nil, create: true)
+                                            let folder = base.appendingPathComponent("bitchat_voicenotes/outgoing", isDirectory: true)
+                                            let files = try fm.contentsOfDirectory(at: folder, includingPropertiesForKeys: [.contentModificationDateKey], options: [.skipsHiddenFiles])
+                                            let latest = files.sorted { (a, b) -> Bool in
+                                                let ad = (try? a.resourceValues(forKeys: [.contentModificationDateKey]).contentModificationDate) ?? .distantPast
+                                                let bd = (try? b.resourceValues(forKeys: [.contentModificationDateKey]).contentModificationDate) ?? .distantPast
+                                                return ad > bd
+                                            }.first
+                                            if let u = latest { viewModel.sendVoiceNote(fileURL: u) }
+                                        } catch {
+                                            // ignore
+                                        }
+                                    }
+                                }
+                        )
+                    #else
+                    // Non-iOS: keep send button placeholder
+                    Button(action: sendMessage) {
+                        Image(systemName: "arrow.up.circle.fill")
+                            .font(.system(size: 20))
+                            .foregroundColor(Color.gray)
+                    }
+                    .buttonStyle(.plain)
+                    .padding(.trailing, 12)
+                    #endif
+                } else {
+                    Button(action: sendMessage) {
+                        Image(systemName: "arrow.up.circle.fill")
+                            .font(.system(size: 20))
+                            .foregroundColor(viewModel.selectedPrivateChatPeer != nil ? Color.orange : textColor)
+                    }
+                    .buttonStyle(.plain)
+                    .padding(.trailing, 12)
+                    .accessibilityLabel("Send message")
+                    .accessibilityHint("Double tap to send")
+                }
             }
-            .buttonStyle(.plain)
-            .padding(.trailing, 12)
-            .accessibilityLabel("Send message")
-            .accessibilityHint(messageText.isEmpty ? "Enter a message to send" : "Double tap to send")
             }
             .padding(.vertical, 8)
             .background(backgroundColor.opacity(0.95))

bitchat/Views/VoiceMessageRow.swift

@@ -0,0 +1,86 @@
+import SwiftUI
+import AVFoundation
+
+struct VoiceMessageRow: View {
+    let fileURL: URL
+    var sendProgress: Double? = nil // 0..1 filling during send
+    @State private var bins: [Float] = []
+    @State private var isPlaying = false
+    @State private var progress: Double = 0
+    @State private var duration: TimeInterval = 0
+    @State private var player: AVAudioPlayer?
+
+    var body: some View {
+        HStack(spacing: 8) {
+            Button(action: togglePlay) {
+                Image(systemName: isPlaying ? "pause.circle.fill" : "play.circle.fill")
+                    .font(.system(size: 22))
+            }
+            .buttonStyle(.plain)
+
+            GeometryReader { geo in
+                ZStack(alignment: .leading) {
+                    // Base waveform
+                    HStack(spacing: 2) {
+                        ForEach(Array(bins.enumerated()), id: \.offset) { _, v in
+                            let h = max(2, CGFloat(v) * geo.size.height)
+                            Capsule().fill(Color.gray.opacity(0.4)).frame(width: 2, height: h)
+                        }
+                    }
+                    // Filled progress
+                    let activeProgress = sendProgress ?? progress
+                    let filled = Int(Double(bins.count) * activeProgress)
+                    HStack(spacing: 2) {
+                        ForEach(0..<max(0, min(bins.count, filled)), id: \.self) { i in
+                            let v = bins[i]
+                            let h = max(2, CGFloat(v) * geo.size.height)
+                            Capsule().fill(Color.blue).frame(width: 2, height: h)
+                        }
+                        Spacer(minLength: 0)
+                    }
+                }
+            }
+            .frame(height: 26)
+
+            Text(formattedDuration)
+                .font(.system(size: 11, design: .monospaced))
+                .foregroundColor(.secondary)
+        }
+        .onAppear(perform: load)
+        .onDisappear { player?.stop(); isPlaying = false }
+    }
+
+    private var formattedDuration: String {
+        let total = duration
+        let mins = Int(total) / 60
+        let secs = Int(total) % 60
+        return String(format: "%d:%02d", mins, secs)
+    }
+
+    private func load() {
+        bins = WaveformExtractor.extractBins(url: fileURL, binCount: 120)
+        do {
+            player = try AVAudioPlayer(contentsOf: fileURL)
+            duration = player?.duration ?? 0
+            player?.prepareToPlay()
+            startProgressTimer()
+        } catch {
+            // Ignore
+        }
+    }
+
+    private func togglePlay() {
+        guard let p = player else { return }
+        if isPlaying { p.pause(); isPlaying = false }
+        else { p.play(); isPlaying = true; startProgressTimer() }
+    }
+
+    private func startProgressTimer() {
+        guard let p = player else { return }
+        Timer.scheduledTimer(withTimeInterval: 0.05, repeats: true) { t in
+            if !isPlaying || p.duration == 0 { t.invalidate(); return }
+            progress = min(1.0, p.currentTime / p.duration)
+            if progress >= 1.0 { isPlaying = false; t.invalidate() }
+        }
+    }
+}

bitchat/bitchat-macOS.entitlements

@@ -6,7 +6,7 @@
 	<true/>
 	<key>com.apple.security.application-groups</key>
 	<array>
-		<string>group.chat.bitchat</string>
+		<string>group.chat.bitchat-local</string>
 	</array>
 	<key>com.apple.security.device.bluetooth</key>
 	<true/>

bitchat/bitchat.entitlements

@@ -6,9 +6,9 @@
 	<true/>
 	<key>com.apple.security.application-groups</key>
 	<array>
-		<string>group.chat.bitchat</string>
+		<string>group.chat.bitchat-local</string>
 	</array>
 	<key>com.apple.security.device.bluetooth</key>
 	<true/>
 </dict>
-</plist>
+</plist>