Report a host's pinned paths among the fields an edit changed

tests/DodoSSH.Client.App.Layout.Tests/ScreenLayoutTests.cs

@@ -1020,10 +1020,10 @@ public sealed class ScreenLayoutTests : IAsyncLifetime
     }
 
     /// <remarks>
-    /// The FIELDS column is the one that grows: it is a list of names, and a host has fourteen of them —
-    /// eleven until inheritance added "Password prompt", tags added "Tags" and forwards added "Port
-    /// forwards". Measured with an edit that touched several, because one field name fits anywhere. The
-    /// count is stated rather than derived, so
+    /// The FIELDS column is the one that grows: it is a list of names, and a host has fifteen of them —
+    /// eleven until inheritance added "Password prompt", tags added "Tags", forwards added "Port forwards"
+    /// and pinning added "Pinned paths". Measured with an edit that touched several, because one field
+    /// name fits anywhere. The count is stated rather than derived, so
     /// it has to be recounted against <c>HostKind.Changes</c> whenever a field is added; the literal in
     /// <c>SeedLogsAsync</c> is the thing that actually keeps the column measured at its worst.
     /// </remarks>
@@ -2252,7 +2252,7 @@ public sealed class ScreenLayoutTests : IAsyncLifetime
                 ItemId = Guid.CreateVersion7(),
                 ItemLabel = "customer-a-production-database",
                 Operation = ActivityOperation.Updated,
-                ChangedFields = "Hostname, Port, Username, Options, Password prompt, Group, Tags, Port forwards",
+                ChangedFields = "Hostname, Port, Username, Options, Password prompt, Group, Tags, Port forwards, Pinned paths",
                 At = new DateTimeOffset(2026, 7, 30, 9, 15, 0, TimeSpan.Zero),
                 DeviceName = "jaap-jan-workstation",
             },

tests/DodoSSH.Client.Sync.Tests/ItemKindsTests.cs

@@ -1,3 +1,4 @@
+using DodoSSH.Client.Domain;
 using DodoSSH.Contracts;
 
 namespace DodoSSH.Client.Sync.Tests;
@@ -53,4 +54,23 @@ public sealed class ItemKindsTests
 
         reconcilers.Keys.Order().ShouldBe(ItemKinds.SyncedTypes.Order());
     }
+
+    [Fact]
+    public void AHostEditThatOnlyChangedItsPins_IsReportedAsChangingPinnedPaths()
+    {
+        // Pinned paths were the one host field Changes did not look at, so an edit that only pinned or
+        // unpinned a directory reached the keychain log as an update that changed nothing.
+        var before = new HostSecret
+        {
+            Label = "db-01",
+            Hostname = "db-01.internal",
+            PinnedPaths = PinnedPathList.Create(["/var/log"]),
+        };
+        var after = before with { PinnedPaths = PinnedPathList.Create(["/var/log", "/etc/nginx"]) };
+
+        HostKind.Instance.Changes(before, after).ShouldBe(["Pinned paths"]);
+        HostKind.Instance.Changes(before, before with { PinnedPaths = PinnedPathList.Empty })
+            .ShouldBe(["Pinned paths"]);
+        HostKind.Instance.Changes(before, before with { }).ShouldBeEmpty();
+    }
 }