feat: conversation state machine, mic meter, history, wake lock (Phase 3)

Sources/Features/Conversation/OrbView.swift

@@ -49,20 +49,46 @@ struct OrbView: View {
 
 struct TranscriptListView: View {
     let events: [TranscriptEvent]
+    @ObservedObject var history: TranscriptHistory
+    var onClear: () -> Void
+
+    private static let deliveryMarkers = #"\[(?:appreciative|calm|concerned|curious|encouraging|excited|happy|joking|quiet|reassuring|reflective|sad|serious|surprised|sympathetic|urgent|whispering|laughter|sighing|breathing|neutral)\]\s*"#
+
+    private static let timestampFormatter: DateFormatter = {
+        let formatter = DateFormatter()
+        formatter.dateStyle = .none
+        formatter.timeStyle = .short
+        return formatter
+    }()
 
     var body: some View {
         ScrollViewReader { proxy in
-            ScrollView {
-                LazyVStack(alignment: .leading, spacing: 8) {
-                    ForEach(events) { event in
-                        transcriptRow(event)
+            VStack(alignment: .leading, spacing: 0) {
+                HStack {
+                    Text("Transcript")
+                        .font(.caption.bold())
+                        .foregroundStyle(.secondary)
+                    Spacer()
+                    Button(role: .destructive, action: onClear) {
+                        Label("Clear", systemImage: "trash")
+                            .font(.caption)
                     }
                 }
                 .padding(.horizontal)
-            }
-            .onChange(of: events.count) { _, count in
-                if let last = events.last {
-                    withAnimation { proxy.scrollTo(last.id, anchor: .bottom) }
+                .padding(.bottom, 4)
+
+                ScrollView {
+                    LazyVStack(alignment: .leading, spacing: 8) {
+                        ForEach(events) { event in
+                            transcriptRow(event)
+                        }
+                    }
+                    .padding(.horizontal)
+                }
+                .onChange(of: events.count) { _, count in
+                    if let last = events.last {
+                        withAnimation { proxy.scrollTo(last.id, anchor: .bottom) }
+                    }
                 }
             }
         }
@@ -76,9 +102,15 @@ struct TranscriptListView: View {
             : Color.blue.opacity(0.08)
         let textOpacity: Double = event.isFinal ? 1.0 : 0.55
         return VStack(alignment: .leading, spacing: 2) {
-            Text(roleName)
-                .font(.caption2.bold())
-                .foregroundStyle(nameColor)
+            HStack {
+                Text(roleName)
+                    .font(.caption2.bold())
+                    .foregroundStyle(nameColor)
+                Spacer()
+                Text(Self.timestampFormatter.string(from: event.timestamp))
+                    .font(.caption2)
+                    .foregroundStyle(.tertiary)
+            }
             Text(stripped(event.text))
                 .font(.body)
                 .opacity(textOpacity)
@@ -91,9 +123,8 @@ struct TranscriptListView: View {
     }
 
     private func stripped(_ text: String) -> String {
-        // Strip delivery-style markers like [appreciative], [pauses] etc.
         text.replacingOccurrences(
-            of: #"\[[a-zA-Z ,'-]+\]"#,
+            of: Self.deliveryMarkers,
             with: "",
             options: .regularExpression
         ).trimmingCharacters(in: .whitespaces)