Add voice notes: on-device transcription, multi-language, watch capture

- Schema v2: Note.AudioInfo, .m4a sidecar next to the note JSON in iCloud
- AudioRecorderService (iOS/macOS) + SpeechAnalyzer transcription pipeline
  with enabled-language set and confidence-based auto-pick, re-transcribe menu
- Settings > Transcription > Languages with asset download/reserve handling
- watchOS app + accessory complication: one-button recorder, WCSession
  transferFile to phone, WatchInbox staging, direct-upsert ingestion
- Player UI, transcription status chips, quick-capture mic in notes list
- Version 0.2, changelog + README updated

Notes Watch Widget/ContextfulWatchWidget.swift

@@ -0,0 +1,91 @@
+import SwiftUI
+import WidgetKit
+
+// A launcher complication: a static button on the watch face that opens the
+// Contextful watch app straight into recording. It carries no data, so the
+// timeline is a single entry that never refreshes. The `widgetURL` deep link
+// (`contextful://record?autostart=1`) is what tells the app to auto-start —
+// only a complication tap carries it, so a plain launch never auto-records.
+
+private struct LauncherEntry: TimelineEntry {
+    let date: Date
+}
+
+private struct LauncherProvider: TimelineProvider {
+    func placeholder(in context: Context) -> LauncherEntry {
+        LauncherEntry(date: .now)
+    }
+
+    func getSnapshot(in context: Context, completion: @escaping (LauncherEntry) -> Void) {
+        completion(LauncherEntry(date: .now))
+    }
+
+    func getTimeline(in context: Context, completion: @escaping (Timeline<LauncherEntry>) -> Void) {
+        // Nothing ever changes — one entry, never reload.
+        completion(Timeline(entries: [LauncherEntry(date: .now)], policy: .never))
+    }
+}
+
+private struct LauncherView: View {
+    @Environment(\.widgetFamily) private var family
+
+    private let glyph = "mic.fill"
+
+    // `.widgetAccentable()` puts the glyph in the accent group so the watch face
+    // tints it with its main color instead of leaving it plain white.
+    private var mic: some View {
+        Image(systemName: glyph).widgetAccentable()
+    }
+
+    var body: some View {
+        Group {
+            switch family {
+            case .accessoryInline:
+                // Inline templates render the symbol upright next to text.
+                Label("Record", systemImage: glyph)
+            case .accessoryRectangular:
+                HStack(spacing: 6) {
+                    mic.font(.title3)
+                    Text("Record a Note").font(.headline)
+                }
+                .frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .leading)
+            case .accessoryCorner:
+                mic
+                    .font(.title2)
+                    .widgetLabel("Record")
+            default: // .accessoryCircular and any future families
+                ZStack {
+                    AccessoryWidgetBackground()
+                    mic.font(.title3)
+                }
+            }
+        }
+        .widgetURL(URL(string: "contextful://record?autostart=1"))
+    }
+}
+
+struct ContextfulRecorderLauncher: Widget {
+    private let kind = "ContextfulRecorderLauncher"
+
+    var body: some WidgetConfiguration {
+        StaticConfiguration(kind: kind, provider: LauncherProvider()) { _ in
+            LauncherView()
+                .containerBackground(.clear, for: .widget)
+        }
+        .configurationDisplayName("Record a Note")
+        .description("Tap to start recording a voice note.")
+        .supportedFamilies([
+            .accessoryCircular,
+            .accessoryCorner,
+            .accessoryInline,
+            .accessoryRectangular,
+        ])
+    }
+}
+
+@main
+struct ContextfulWatchWidgetBundle: WidgetBundle {
+    var body: some Widget {
+        ContextfulRecorderLauncher()
+    }
+}

Notes Watch Widget/Resources/Info-WatchWidget.plist

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleDisplayName</key>
+	<string>Contextful</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(MARKETING_VERSION)</string>
+	<key>CFBundleVersion</key>
+	<string>$(CURRENT_PROJECT_VERSION)</string>
+	<key>ITSAppUsesNonExemptEncryption</key>
+	<false/>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.widgetkit-extension</string>
+	</dict>
+</dict>
+</plist>