diff --git a/NucleicRemote/NucleicRemote/Views/Transcript/ToolGroupRow.swift b/NucleicRemote/NucleicRemote/Views/Transcript/ToolGroupRow.swift
index 4c4538a..0566120 100644
--- a/NucleicRemote/NucleicRemote/Views/Transcript/ToolGroupRow.swift
+++ b/NucleicRemote/NucleicRemote/Views/Transcript/ToolGroupRow.swift
@@ -477,6 +477,51 @@ private struct ToolBlock: View {
     }
 }
 
+/// The leading glyph and muted one-liner for a lock line folded onto a tool card — the phone echo
+/// of the Mac's `LockLineStyle`.
+enum LockLineStyle {
+    static func icon(_ state: NoteLock.State) -> String {
+        switch state {
+        case .waiting: return "hourglass"
+        case .acquired: return "lock.fill"
+        case .released: return "lock.open"
+        }
+    }
+
+    static func text(_ lock: NoteLock) -> String {
+        let paths = pathList(lock.paths)
+        switch lock.state {
+        case .waiting: return "Waiting for lock · \(paths)"
+        case .acquired: return "Locked · \(paths)"
+        case .released: return "Lock released · \(paths)"
+        }
+    }
+
+    /// Up to two repo-relative paths, then a "+N more" tail.
+    private static func pathList(_ paths: [String]) -> String {
+        guard !paths.isEmpty else { return "no files" }
+        let shown = paths.prefix(2).joined(separator: ", ")
+        let extra = paths.count - min(paths.count, 2)
+        return extra > 0 ? "\(shown) +\(extra) more" : shown
+    }
+}
+
+/// One folded lock line on a tool card: a small muted glyph + status, matching the card's
+/// secondary detail styling. The phone echo of the Mac's `LockLineRow`.
+struct LockLineRow: View {
+    let lock: NoteLock
+    var body: some View {
+        HStack(alignment: .firstTextBaseline, spacing: 6) {
+            Image(systemName: LockLineStyle.icon(lock.state))
+                .font(.caption2).foregroundStyle(.tertiary).frame(width: 15)
+            Text(LockLineStyle.text(lock))
+                .font(.caption).foregroundStyle(.secondary)
+                .lineLimit(1).truncationMode(.middle)
+            Spacer(minLength: 0)
+        }
+    }
+}
+
 /// SF Symbols for the common tools + file-change kinds, so a glance reads the action.
 enum ToolGlyph {
     static func icon(_ name: String) -> String {