feat(ui): show newest log entries first in Log Visualizer
Reverses row order in LogVisualizerViewModel.Apply() so the most recent entry sits at index 0, matching the "what just happened" use case; filtering and refresh are unaffected since the reversal happens after the warn/error filter is applied.
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@@ -16,14 +16,17 @@ public class LogVisualizerViewModelTests
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private static WorkerLogEntry E(WorkerLogLevel lvl, string msg)
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=> new(msg, lvl, new DateTime(2026, 6, 23, 8, 0, 0, DateTimeKind.Utc));
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private static WorkerLogEntry E(WorkerLogLevel lvl, string msg, DateTime timestampUtc)
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=> new(msg, lvl, timestampUtc);
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[Fact]
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public async Task Refresh_populates_rows_from_worker()
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public async Task Refresh_populates_rows_from_worker_newest_first()
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{
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var vm = new LogVisualizerViewModel(new FakeClient(new[] { E(WorkerLogLevel.Info, "a"), E(WorkerLogLevel.Error, "b") }));
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await vm.RefreshAsync();
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Assert.Equal(new[] { "a", "b" }, vm.Rows.Select(r => r.Message));
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Assert.Equal(new[] { "b", "a" }, vm.Rows.Select(r => r.Message));
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}
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[Fact]
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@@ -35,7 +38,7 @@ public class LogVisualizerViewModelTests
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vm.WarnErrorOnly = true;
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Assert.Equal(new[] { "w", "e" }, vm.Rows.Select(r => r.Message));
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Assert.Equal(new[] { "e", "w" }, vm.Rows.Select(r => r.Message));
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}
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[Fact]
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@@ -48,4 +51,38 @@ public class LogVisualizerViewModelTests
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Assert.Empty(vm.Rows);
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Assert.False(string.IsNullOrEmpty(vm.StatusText));
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}
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[Fact]
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public async Task Refresh_orders_newest_entry_first()
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{
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var t0 = new DateTime(2026, 6, 23, 8, 0, 0, DateTimeKind.Utc);
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var vm = new LogVisualizerViewModel(new FakeClient(new[]
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{
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E(WorkerLogLevel.Info, "oldest", t0),
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E(WorkerLogLevel.Info, "middle", t0.AddMinutes(1)),
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E(WorkerLogLevel.Info, "newest", t0.AddMinutes(2)),
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}));
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await vm.RefreshAsync();
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Assert.Equal(new[] { "newest", "middle", "oldest" }, vm.Rows.Select(r => r.Message));
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}
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[Fact]
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public async Task Refresh_orders_newest_entry_first_with_warn_error_only()
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{
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var t0 = new DateTime(2026, 6, 23, 8, 0, 0, DateTimeKind.Utc);
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var vm = new LogVisualizerViewModel(new FakeClient(new[]
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{
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E(WorkerLogLevel.Warn, "oldest", t0),
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E(WorkerLogLevel.Info, "skipped", t0.AddMinutes(1)),
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E(WorkerLogLevel.Error, "middle", t0.AddMinutes(2)),
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E(WorkerLogLevel.Warn, "newest", t0.AddMinutes(3)),
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}));
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await vm.RefreshAsync();
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vm.WarnErrorOnly = true;
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Assert.Equal(new[] { "newest", "middle", "oldest" }, vm.Rows.Select(r => r.Message));
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}
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}
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