diff --git a/NucleicRemote/NucleicRemote/Views/Theme.swift b/NucleicRemote/NucleicRemote/Views/Theme.swift
index 9da8d5b..1417988 100644
--- a/NucleicRemote/NucleicRemote/Views/Theme.swift
+++ b/NucleicRemote/NucleicRemote/Views/Theme.swift
@@ -281,6 +281,14 @@ enum StatusStyle {
         case .finished, .interrupted, .error: return 5
         }
     }
+
+    /// The shared session-list sort: attention-first by `sortRank`, then, within a rank, by
+    /// last-turn recency (`lastTurnAt`) rather than raw activity — so rows hold their place
+    /// instead of reshuffling every few seconds as the agent works. Mirrors the Mac sidebar.
+    static func attentionThenRecency(_ lhs: WireSessionSummary, _ rhs: WireSessionSummary) -> Bool {
+        let l = sortRank(lhs), r = sortRank(rhs)
+        return l == r ? lhs.lastTurnAt > rhs.lastTurnAt : l < r
+    }
 }
 
 extension SessionStatus {