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

src/ClaudeDo.Worker/Hub/WorkerHub.cs

@@ -50,7 +50,12 @@ public record AppSettingsDto(
     List<ModelPresetDto>? ModelPresets = null,
     int UsageGateFiveHourPct = 80,
     int UsageGateSevenDayPct = 90,
-    int MaxTurnsCeiling = 80);
+    int MaxTurnsCeiling = 80,
+    // Throttle stages per bucket — dragged on the usage-monitor gauges, not typed in Settings.
+    int UsageThrottleFiveHourSoftPct = 50,
+    int UsageThrottleFiveHourHardPct = 65,
+    int UsageThrottleSevenDaySoftPct = 50,
+    int UsageThrottleSevenDayHardPct = 65);
 
 // Per-model run defaults (effort + turn budget) edited in Settings -> General.
 public record ModelPresetDto(string Model, string Effort, int MaxTurns);
@@ -137,7 +142,12 @@ public record UsageSnapshotDto(
     string? LastError,
     int ConfiguredSlots,
     int EffectiveSlots,
-    string? ThrottleBucket);
+    string? ThrottleBucket,
+    // Throttle stages per bucket, so the usage monitor can draw (and drag) them on each gauge.
+    int ThrottleFiveHourSoftPct,
+    int ThrottleFiveHourHardPct,
+    int ThrottleSevenDaySoftPct,
+    int ThrottleSevenDayHardPct);
 
 public record ModelUsageRowDto(
     DateOnly Date,
@@ -446,7 +456,11 @@ public sealed class WorkerHub : Microsoft.AspNetCore.SignalR.Hub
                 .Select(p => new ModelPresetDto(p.Model, p.Effort, p.MaxTurns)).ToList(),
             row.UsageGateFiveHourPct,
             row.UsageGateSevenDayPct,
-            row.MaxTurnsCeiling);
+            row.MaxTurnsCeiling,
+            row.UsageThrottleFiveHourSoftPct,
+            row.UsageThrottleFiveHourHardPct,
+            row.UsageThrottleSevenDaySoftPct,
+            row.UsageThrottleSevenDayHardPct);
     }
 
     public async Task UpdateAppSettings(AppSettingsDto dto)
@@ -477,6 +491,10 @@ public sealed class WorkerHub : Microsoft.AspNetCore.SignalR.Hub
             UsageGateFiveHourPct = dto.UsageGateFiveHourPct,
             UsageGateSevenDayPct = dto.UsageGateSevenDayPct,
             MaxTurnsCeiling = dto.MaxTurnsCeiling,
+            UsageThrottleFiveHourSoftPct = dto.UsageThrottleFiveHourSoftPct,
+            UsageThrottleFiveHourHardPct = dto.UsageThrottleFiveHourHardPct,
+            UsageThrottleSevenDaySoftPct = dto.UsageThrottleSevenDaySoftPct,
+            UsageThrottleSevenDayHardPct = dto.UsageThrottleSevenDayHardPct,
         });
     }