Activity Theme Adjustment

Nucleic-Session: 5F808220-F280-49B7-8876-41EE93E714FA
Co-authored-by: Nucleic <[email protected]>

NucleicRemote/NucleicRemoteWidgets/SessionLiveActivity.swift

@@ -78,12 +78,17 @@ private struct LockScreenView: View {
     let hostName: String
 
     var body: some View {
-        VStack(alignment: .leading, spacing: 8) {
-            // Header: brand + host, and the headline counts.
+        let attention = state.needsAttention
+        let tint = ActivityPalette.attentionTint(state)
+        return VStack(alignment: .leading, spacing: 8) {
+            // Header: brand + host, and the headline counts. When the user is needed the brand
+            // mark becomes the attention glyph in its tint, so the header itself reads "act now".
             HStack(spacing: 8) {
-                Image(systemName: "hexagon.fill")
+                Image(systemName: attention
+                    ? ActivityPalette.glyph(state.approvalCount > 0 ? .approval : .needsInput)
+                    : "hexagon.fill")
                     .font(.footnote)
-                    .foregroundStyle(ActivityPalette.active)
+                    .foregroundStyle(attention ? tint : ActivityPalette.active)
                 Text(hostName)
                     .font(.caption.weight(.semibold))
                     .lineLimit(1)
@@ -98,6 +103,20 @@ private struct LockScreenView: View {
         }
         .padding(14)
         .foregroundStyle(.white)
+        // Attention theme: a soft tinted wash + a colored border around the whole glance, so a
+        // session waiting on the user is unmistakable at a glance even before reading the rows.
+        .background {
+            if attention {
+                RoundedRectangle(cornerRadius: 22, style: .continuous)
+                    .fill(tint.opacity(0.12))
+            }
+        }
+        .overlay {
+            if attention {
+                RoundedRectangle(cornerRadius: 22, style: .continuous)
+                    .strokeBorder(tint.opacity(0.9), lineWidth: 2)
+            }
+        }
     }
 }