Watch: what changed on Recent cards and the thread screen, search in All threads, a switching complication with Allow and Deny in the Smart Stack, and question options on notifications

watch/WristCode/Views/Theme.swift

@@ -1,5 +1,5 @@
 // Mock B colors and the shared card. Amber means it needs you, teal means working, grey means done,
-// and red means broken.
+// and red means broken. Green and red also count lines added and removed.
 
 import SwiftUI
 
@@ -12,6 +12,40 @@ enum Theme {
     static let secondaryText = Color(red: 0.682, green: 0.682, blue: 0.698) // #aeaeb2
     static let bodyText = Color(red: 0.898, green: 0.898, blue: 0.918) // #e5e5ea
     static let bad = Color(red: 1.0, green: 0.420, blue: 0.369) // #ff6b5e
+    static let add = Color(red: 0.353, green: 0.820, blue: 0.478) // #5ad17a
+}
+
+extension Text {
+    /// Text marked as inline code, which Text sets in monospace. A monospaced Font loses to the app's
+    /// rounded design.
+    init(code: String) {
+        var attributed = AttributedString(code)
+        attributed.inlinePresentationIntent = .code
+        self.init(attributed)
+    }
+
+    /// "+42 −8 · 3 files" in monospace, the additions green, the deletions red and the rest in the
+    /// current style. Without `files`, just "+42 −8", as on a changed file's row.
+    init(changes: ChangeTotals, files: Bool = true) {
+        let parts = changes.parts
+        let counts = Text("\(Text(code: parts.additions).foregroundStyle(Theme.add))\(Text(code: " "))\(Text(code: parts.deletions).foregroundStyle(Theme.bad))")
+        self = files ? Text("\(counts)\(Text(code: " · \(parts.files)"))") : counts
+    }
+}
+
+extension Activity.Kind {
+    /// The symbol in front of an activity line.
+    var symbol: String {
+        switch self {
+        case .command: "terminal"
+        case .edit: "pencil"
+        case .search: "magnifyingglass"
+        case .web: "globe"
+        case .subagent: "arrow.triangle.branch"
+        case .thinking: "ellipsis"
+        default: "wrench.adjustable"
+        }
+    }
 }
 
 extension Phase {