fix(6c): render sub-minute raid times in seconds (not 0m)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: HandyS11

src/RustPlusBot.Features.Commands/Formatting/DurabilityLine.cs

@@ -33,11 +33,25 @@ private static string FormatCost(RaidCost cost, IItemNameResolver names)
             ? string.Create(CultureInfo.InvariantCulture, $" — {s} sulfur")
             : string.Empty;
         var time = cost.TimeSeconds is { } t and > 0
-            ? string.Create(CultureInfo.InvariantCulture, $" ({DurationFormat.Compact(TimeSpan.FromSeconds(t))})")
+            ? string.Create(CultureInfo.InvariantCulture, $" ({FormatTime(t)})")
             : string.Empty;
         var caption = string.IsNullOrEmpty(cost.Caption)
             ? string.Empty
             : string.Create(CultureInfo.InvariantCulture, $" · {cost.Caption}");
         return string.Create(CultureInfo.InvariantCulture, $"{tool} ×{quantity}{side}{sulfur}{time}{caption}");
     }
+
+    private static string FormatTime(double seconds)
+    {
+        if (seconds < 60)
+        {
+            return string.Create(CultureInfo.InvariantCulture, $"{seconds:0.#}s");
+        }
+
+        var span = TimeSpan.FromSeconds(seconds);
+        var minutes = (int)span.TotalMinutes;
+        return span.Seconds == 0
+            ? string.Create(CultureInfo.InvariantCulture, $"{minutes}m")
+            : string.Create(CultureInfo.InvariantCulture, $"{minutes}m {span.Seconds}s");
+    }
 }

tests/RustPlusBot.Features.Commands.Tests/Formatting/DurabilityFormatterTests.cs

@@ -54,4 +54,23 @@ public void DurabilityLine_RoundsQuantityUp_AndShowsCaption()
         Assert.Contains("×173", line, StringComparison.Ordinal); // 172.5 rounded up
         Assert.Contains("Semi-Automatic Rifle", line, StringComparison.Ordinal);
     }
+
+    [Fact]
+    public void DurabilityLine_RendersSubMinuteTimeInSeconds()
+    {
+        var target = new RaidTarget("Stone Wall", "Stone Wall", RaidTargetKind.BuildingBlock,
+            [new RaidCost(1, null, null, 2, 11.5, 4400, 120)]);
+        var line = DurabilityLine.Format(target, _names);
+        Assert.Contains("11.5s", line, StringComparison.Ordinal);
+        Assert.DoesNotContain("0m", line, StringComparison.Ordinal);
+    }
+
+    [Fact]
+    public void DurabilityLine_RendersOverMinuteTimeAsMinutesAndSeconds()
+    {
+        var target = new RaidTarget("X", "X", RaidTargetKind.Item,
+            [new RaidCost(1, null, null, 46, 175.125, 5520, null)]);
+        var line = DurabilityLine.Format(target, _names);
+        Assert.Contains("2m 55s", line, StringComparison.Ordinal);
+    }
 }