feat(usage): split throttle thresholds per bucket, add draggable gauge markers

2026-08-07 11:01:45 +02:00
parent 231b063751
commit 7eeb8f5086
33 changed files with 2289 additions and 147 deletions
@@ -33,7 +33,16 @@ public class UsageMonitorModalViewModelTests
        public int RefreshCalls;
        public Exception? RefreshThrows;

-        public override Task<UsageSnapshotDto?> GetUsageSnapshotAsync() => Task.FromResult(Snapshot);
+        /// <summary>When set, the snapshot fetch never completes — stands in for the slow first
+        /// transcript scan on the worker side.</summary>
+        public TaskCompletionSource<UsageSnapshotDto?>? SnapshotGate;
+        public Exception? SnapshotThrows;
+
+        public override Task<UsageSnapshotDto?> GetUsageSnapshotAsync()
+        {
+            if (SnapshotThrows is not null) throw SnapshotThrows;
+            return SnapshotGate?.Task ?? Task.FromResult(Snapshot);
+        }

        public override Task<UsageSnapshotDto?> RefreshUsageAsync()
        {
@@ -53,8 +62,25 @@ public class UsageMonitorModalViewModelTests
            TaskUsageCalls++;
            return Task.FromResult(TaskRows);
        }
+
+        public AppSettingsDto? AppSettings;
+        public AppSettingsDto? SavedSettings;
+
+        public override Task<AppSettingsDto?> GetAppSettingsAsync() => Task.FromResult(AppSettings);
+
+        public override Task UpdateAppSettingsAsync(AppSettingsDto dto)
+        {
+            SavedSettings = dto;
+            return Task.CompletedTask;
+        }
    }

+    private static AppSettingsDto AppSettings() =>
+        new(DefaultClaudeInstructions: "", DefaultModel: "sonnet", DefaultMaxTurns: 30,
+            DefaultPermissionMode: "auto", MaxParallelExecutions: 3, WorktreeStrategy: "sibling",
+            CentralWorktreeRoot: null, WorktreeAutoCleanupEnabled: false, WorktreeAutoCleanupDays: 7,
+            ReportExcludedPaths: null, StandupWeekday: 3, DailyPrepMaxTasks: 5);
+
    private static UsageLimitDto Limit(
        string kind, double percent = 10, string severity = "normal",
        DateTimeOffset? resetsAt = null, string? scopeModelDisplayName = null, bool isActive = true)
@@ -71,13 +97,63 @@ public class UsageMonitorModalViewModelTests
        DateTime? fetchedAtUtc = null,
        int configuredSlots = 1,
        int effectiveSlots = 1,
-        string? throttleBucket = null)
+        string? throttleBucket = null,
+        int throttleFiveHourSoftPct = 50,
+        int throttleFiveHourHardPct = 65,
+        int throttleSevenDaySoftPct = 50,
+        int throttleSevenDayHardPct = 65)
        => new(
            null, null, null, null,
            limits ?? Array.Empty<UsageLimitDto>(),
            fiveHourThresholdPct, sevenDayThresholdPct,
            isGateBlocked, gateReason, fetchedAtUtc ?? DateTime.UtcNow, isStale, lastError,
-            configuredSlots, effectiveSlots, throttleBucket);
+            configuredSlots, effectiveSlots, throttleBucket,
+            throttleFiveHourSoftPct, throttleFiveHourHardPct,
+            throttleSevenDaySoftPct, throttleSevenDayHardPct);
+
+    // ── BeginLoad: the modal must open before the data lands ────────────────
+
+    [Fact]
+    public void BeginLoad_ReturnsWhileWorkerStillPending_AndShowsBusy()
+    {
+        var worker = new FakeWorker { SnapshotGate = new TaskCompletionSource<UsageSnapshotDto?>() };
+        var vm = new UsageMonitorModalViewModel(worker);
+
+        vm.BeginLoad();
+
+        Assert.True(vm.IsBusy);
+        Assert.False(vm.ModelsEmpty);
+        Assert.False(vm.TasksEmpty);
+    }
+
+    [Fact]
+    public void BeginLoad_WorkerThrows_ReportsErrorInsteadOfCrashing()
+    {
+        var worker = new FakeWorker { SnapshotThrows = new InvalidOperationException("worker offline") };
+        var vm = new UsageMonitorModalViewModel(worker);
+        string? reported = null;
+        vm.ErrorReported += m => reported = m;
+
+        vm.BeginLoad();
+
+        Assert.NotNull(reported);
+        Assert.Contains("worker offline", reported);
+        Assert.False(vm.IsBusy);
+    }
+
+    [Fact]
+    public async Task LoadAsync_WorkerThrows_ReportsErrorAndClearsBusy()
+    {
+        var worker = new FakeWorker { SnapshotThrows = new InvalidOperationException("worker offline") };
+        var vm = new UsageMonitorModalViewModel(worker);
+        string? reported = null;
+        vm.ErrorReported += m => reported = m;
+
+        await vm.LoadAsync();
+
+        Assert.NotNull(reported);
+        Assert.False(vm.IsBusy);
+    }

    // ── Manual refresh ──────────────────────────────────────────────────────

@@ -210,7 +286,7 @@ public class UsageMonitorModalViewModelTests
        var vm = new UsageMonitorModalViewModel(worker);
        await vm.LoadAsync();

-        Assert.Equal(80, vm.GaugeRows[0].ThresholdPercent);
+        Assert.Equal(80, vm.GaugeRows[0].GatePct);
    }

    [Fact]
@@ -220,7 +296,276 @@ public class UsageMonitorModalViewModelTests
        var vm = new UsageMonitorModalViewModel(worker);
        await vm.LoadAsync();

-        Assert.Null(vm.GaugeRows[0].ThresholdPercent);
+        Assert.Null(vm.GaugeRows[0].GatePct);
+        Assert.False(vm.GaugeRows[0].IsAdjustable);
+    }
+
+    // ── Draggable stage markers ─────────────────────────────────────────────
+
+    [Fact]
+    public async Task GaugeRow_Session_CarriesPerBucketThrottleStages()
+    {
+        var worker = new FakeWorker
+        {
+            Snapshot = Snapshot(new[] { Limit("session") }, fiveHourThresholdPct: 80,
+                throttleFiveHourSoftPct: 45, throttleFiveHourHardPct: 60),
+        };
+        var vm = new UsageMonitorModalViewModel(worker);
+        await vm.LoadAsync();
+
+        var row = vm.GaugeRows[0];
+        Assert.Equal("five_hour", row.Bucket);
+        Assert.Equal(45, row.SoftPct);
+        Assert.Equal(60, row.HardPct);
+        Assert.Equal(80, row.GatePct);
+        Assert.True(row.IsAdjustable);
+    }
+
+    [Fact]
+    public async Task GaugeRow_WeeklyAll_CarriesSevenDayStages()
+    {
+        var worker = new FakeWorker
+        {
+            Snapshot = Snapshot(new[] { Limit("weekly_all") }, sevenDayThresholdPct: 90,
+                throttleSevenDaySoftPct: 70, throttleSevenDayHardPct: 85),
+        };
+        var vm = new UsageMonitorModalViewModel(worker);
+        await vm.LoadAsync();
+
+        var row = vm.GaugeRows[0];
+        Assert.Equal("seven_day", row.Bucket);
+        Assert.Equal(70, row.SoftPct);
+        Assert.Equal(85, row.HardPct);
+        Assert.Equal(90, row.GatePct);
+    }
+
+    [Fact]
+    public async Task Commit_WritesOnlyTheDraggedBucket_AndKeepsEverythingElse()
+    {
+        var worker = new FakeWorker
+        {
+            Snapshot = Snapshot(new[] { Limit("session") }, fiveHourThresholdPct: 80,
+                throttleFiveHourSoftPct: 50, throttleFiveHourHardPct: 65),
+            AppSettings = AppSettings(),
+        };
+        var vm = new UsageMonitorModalViewModel(worker);
+        await vm.LoadAsync();
+
+        var row = vm.GaugeRows[0];
+        row.SoftPct = 40;
+        row.HardPct = 55;
+        row.GatePct = 75;
+        await row.CommitCommand.ExecuteAsync(null);
+
+        Assert.NotNull(worker.SavedSettings);
+        Assert.Equal(40, worker.SavedSettings!.UsageThrottleFiveHourSoftPct);
+        Assert.Equal(55, worker.SavedSettings.UsageThrottleFiveHourHardPct);
+        Assert.Equal(75, worker.SavedSettings.UsageGateFiveHourPct);
+        // The 7d bucket and unrelated settings ride along untouched.
+        Assert.Equal(50, worker.SavedSettings.UsageThrottleSevenDaySoftPct);
+        Assert.Equal(65, worker.SavedSettings.UsageThrottleSevenDayHardPct);
+        Assert.Equal(90, worker.SavedSettings.UsageGateSevenDayPct);
+        Assert.Equal(3, worker.SavedSettings.MaxParallelExecutions);
+    }
+
+    [Fact]
+    public async Task Commit_WorkerOffline_ReportsErrorAndSavesNothing()
+    {
+        var worker = new FakeWorker
+        {
+            Snapshot = Snapshot(new[] { Limit("session") }),
+            AppSettings = null,
+        };
+        var vm = new UsageMonitorModalViewModel(worker);
+        await vm.LoadAsync();
+        string? reported = null;
+        vm.ErrorReported += m => reported = m;
+
+        await vm.GaugeRows[0].CommitCommand.ExecuteAsync(null);
+
+        Assert.NotNull(reported);
+        Assert.Null(worker.SavedSettings);
+    }
+
+    [Fact]
+    public async Task Commit_NonAdjustableRow_SavesNothing()
+    {
+        var worker = new FakeWorker
+        {
+            Snapshot = Snapshot(new[] { Limit("weekly_scoped", scopeModelDisplayName: "Opus") }),
+            AppSettings = AppSettings(),
+        };
+        var vm = new UsageMonitorModalViewModel(worker);
+        await vm.LoadAsync();
+
+        await vm.GaugeRows[0].CommitCommand.ExecuteAsync(null);
+
+        Assert.Null(worker.SavedSettings);
+    }
+
+    [Fact]
+    public async Task LiveSnapshot_UpdatesRowsInPlace_WithoutReplacingInstances()
+    {
+        // A poll landing mid-interaction must not swap the row the gauge is bound to.
+        var worker = new FakeWorker { Snapshot = Snapshot(new[] { Limit("session", percent: 20) }) };
+        var vm = new UsageMonitorModalViewModel(worker);
+        await vm.LoadAsync();
+        var before = vm.GaugeRows[0];
+
+        vm.Snapshot = Snapshot(new[] { Limit("session", percent: 55) }, throttleFiveHourSoftPct: 44);
+
+        Assert.Same(before, vm.GaugeRows[0]);
+        Assert.Equal(55, vm.GaugeRows[0].Percent);
+        Assert.Equal(44, vm.GaugeRows[0].SoftPct);
+    }
+
+    [Fact]
+    public async Task LiveSnapshot_NewLimitKind_AddsARow()
+    {
+        var worker = new FakeWorker { Snapshot = Snapshot(new[] { Limit("session") }) };
+        var vm = new UsageMonitorModalViewModel(worker);
+        await vm.LoadAsync();
+
+        vm.Snapshot = Snapshot(new[] { Limit("session"), Limit("weekly_all") });
+
+        Assert.Equal(2, vm.GaugeRows.Count);
+    }
+
+    // ── Legend input boxes ───────────────────────────────────────────────────
+
+    [Fact]
+    public async Task TypedStage_SavesTheEditedBucket()
+    {
+        var worker = new FakeWorker
+        {
+            Snapshot = Snapshot(new[] { Limit("session") }, fiveHourThresholdPct: 80),
+            AppSettings = AppSettings(),
+        };
+        var vm = new UsageMonitorModalViewModel(worker);
+        await vm.LoadAsync();
+
+        var row = vm.GaugeRows[0];
+        row.HardPct = 58;
+        await row.CommitHardCommand.ExecuteAsync(null);
+
+        Assert.Equal(58, worker.SavedSettings!.UsageThrottleFiveHourHardPct);
+        Assert.Equal(50, worker.SavedSettings.UsageThrottleFiveHourSoftPct);
+        Assert.Equal(80, worker.SavedSettings.UsageGateFiveHourPct);
+    }
+
+    [Fact]
+    public async Task TypedStage_OutOfOrder_IsPinned_AndLeavesNeighboursAlone()
+    {
+        var worker = new FakeWorker
+        {
+            Snapshot = Snapshot(new[] { Limit("session") }, fiveHourThresholdPct: 80,
+                throttleFiveHourSoftPct: 50, throttleFiveHourHardPct: 65),
+            AppSettings = AppSettings(),
+        };
+        var vm = new UsageMonitorModalViewModel(worker);
+        await vm.LoadAsync();
+
+        // Typing 95 into the soft box may not push past hard — and must not drag hard along.
+        var row = vm.GaugeRows[0];
+        row.SoftPct = 95;
+        await row.CommitSoftCommand.ExecuteAsync(null);
+
+        Assert.Equal(65, row.SoftPct);
+        Assert.Equal(65, row.HardPct);
+        Assert.Equal(80, row.GatePct);
+        Assert.Equal(65, worker.SavedSettings!.UsageThrottleFiveHourSoftPct);
+    }
+
+    [Fact]
+    public async Task TypedGate_BelowHard_IsPinnedToHard()
+    {
+        var worker = new FakeWorker
+        {
+            Snapshot = Snapshot(new[] { Limit("weekly_all") }, sevenDayThresholdPct: 90,
+                throttleSevenDaySoftPct: 50, throttleSevenDayHardPct: 65),
+            AppSettings = AppSettings(),
+        };
+        var vm = new UsageMonitorModalViewModel(worker);
+        await vm.LoadAsync();
+
+        var row = vm.GaugeRows[0];
+        row.GatePct = 20;
+        await row.CommitGateCommand.ExecuteAsync(null);
+
+        Assert.Equal(65, row.GatePct);
+        Assert.Equal(65, worker.SavedSettings!.UsageGateSevenDayPct);
+    }
+
+    [Fact]
+    public async Task TypedStage_OnNonAdjustableRow_SavesNothing()
+    {
+        var worker = new FakeWorker
+        {
+            Snapshot = Snapshot(new[] { Limit("weekly_scoped", scopeModelDisplayName: "Opus") }),
+            AppSettings = AppSettings(),
+        };
+        var vm = new UsageMonitorModalViewModel(worker);
+        await vm.LoadAsync();
+
+        await vm.GaugeRows[0].CommitSoftCommand.ExecuteAsync(null);
+
+        Assert.Null(worker.SavedSettings);
+    }
+
+    // ── Drag math ────────────────────────────────────────────────────────────
+
+    [Theory]
+    [InlineData(30, UsageThresholdDrag.Stage.Soft, 30, 65, 80)]   // free move below hard
+    [InlineData(90, UsageThresholdDrag.Stage.Soft, 65, 65, 80)]   // pinned to hard
+    [InlineData(-5, UsageThresholdDrag.Stage.Soft, 0, 65, 80)]    // clamped at 0
+    [InlineData(70, UsageThresholdDrag.Stage.Hard, 50, 70, 80)]   // free move between soft and gate
+    [InlineData(10, UsageThresholdDrag.Stage.Hard, 50, 50, 80)]   // pinned to soft
+    [InlineData(95, UsageThresholdDrag.Stage.Hard, 50, 80, 80)]   // pinned to gate
+    [InlineData(120, UsageThresholdDrag.Stage.Gate, 50, 65, 100)] // clamped at 100
+    [InlineData(20, UsageThresholdDrag.Stage.Gate, 50, 65, 65)]   // pinned to hard
+    public void Drag_KeepsStagesOrderedAndInRange(
+        double dragTo, UsageThresholdDrag.Stage stage, int expectedSoft, int expectedHard, int expectedGate)
+    {
+        var result = UsageThresholdDrag.Apply(50, 65, 80, stage, dragTo);
+
+        Assert.Equal((expectedSoft, expectedHard, expectedGate), result);
+    }
+
+    [Fact]
+    public void Drag_RoundsToWholePercent()
+    {
+        Assert.Equal((37, 65, 80), UsageThresholdDrag.Apply(50, 65, 80, UsageThresholdDrag.Stage.Soft, 36.7));
+    }
+
+    [Fact]
+    public void Drag_NeighbourAtZeroIsOff_AndDoesNotPinTheMarker()
+    {
+        // hard = 0 means "hard stage off" — soft must still be draggable up to the gate.
+        Assert.Equal((70, 0, 80), UsageThresholdDrag.Apply(50, 0, 80, UsageThresholdDrag.Stage.Soft, 70));
+    }
+
+    [Fact]
+    public void Drag_InconsistentStoredConfig_DoesNotThrow()
+    {
+        // soft above gate (only reachable by hand-editing the DB) must degrade, not crash.
+        var result = UsageThresholdDrag.Apply(90, 95, 50, UsageThresholdDrag.Stage.Hard, 60);
+
+        Assert.Equal(50, result.Hard);
+    }
+
+    [Theory]
+    [InlineData(50, UsageThresholdDrag.Stage.Soft)]
+    [InlineData(63, UsageThresholdDrag.Stage.Hard)]
+    [InlineData(82, UsageThresholdDrag.Stage.Gate)]
+    public void Nearest_PicksTheClosestMarkerInReach(double percent, UsageThresholdDrag.Stage expected)
+    {
+        Assert.Equal(expected, UsageThresholdDrag.Nearest(50, 65, 80, percent, tolerancePercent: 5));
+    }
+
+    [Fact]
+    public void Nearest_OutOfReach_GrabsNothing()
+    {
+        Assert.Null(UsageThresholdDrag.Nearest(50, 65, 80, percent: 20, tolerancePercent: 5));
    }

    // ── Stale / gate bands ───────────────────────────────────────────────────