Refine inbox and watch approval presentation

Tighten the inbox, detail, and watch layouts so approval actions feel denser and more direct across compact surfaces.

swift/Sources/Features/Home/HomeRootView.swift

@@ -230,34 +230,40 @@ private struct InboxToolbar: ToolbarContent {
 
     var body: some ToolbarContent {
         ToolbarItem(placement: .idpTrailingToolbar) {
-            HStack(spacing: 8) {
+            HStack(spacing: 6) {
                 Button {
-                    isSearchPresented = true
+                    isSearchPresented.toggle()
                 } label: {
                     Image(systemName: "magnifyingglass")
-                        .font(.headline)
+                        .font(.footnote.weight(.medium))
                         .foregroundStyle(.primary)
+                        .frame(width: 32, height: 32)
                 }
                 .accessibilityLabel("Search inbox")
 
                 Button {
                     model.selectedSection = .identity
                 } label: {
-                    MonogramAvatar(title: model.profile?.name ?? "idp.global", size: 28)
+                    ZStack {
+                        RoundedRectangle(cornerRadius: 6, style: .continuous)
+                            .fill(Color.idpAccentSoft)
+                        Text(initials(from: model.profile?.name))
+                            .font(.caption.weight(.semibold))
+                            .foregroundStyle(IdP.tint)
+                    }
+                    .frame(width: 28, height: 28)
                 }
                 .accessibilityLabel("Open identity")
             }
-            .padding(.horizontal, 10)
-            .padding(.vertical, 8)
-            .background(
-                RoundedRectangle(cornerRadius: 18, style: .continuous)
-                    .fill(.clear)
-                    .idpGlassChrome()
-            )
-            .overlay(
-                RoundedRectangle(cornerRadius: 18, style: .continuous)
-                    .stroke(Color.white.opacity(0.16), lineWidth: 1)
-            )
         }
     }
+
+    private func initials(from name: String?) -> String {
+        guard let name else { return "YOU" }
+        let letters = name
+            .split(separator: " ")
+            .prefix(2)
+            .compactMap { $0.first }
+        return String(letters.map(Character.init)).uppercased()
+    }
 }