Remove redundant prefixes from tracing timeline spans

TUnit.Engine/Reporters/Html/ActivityCollector.cs

@@ -122,7 +122,7 @@ public SpanData[] GetAllSpans()
         {
             foreach (var span in kvp.Value)
             {
-                if (!span.Name.StartsWith("test case", StringComparison.Ordinal) || span.Tags is null)
+                if (span.Tags is null)
                 {
                     continue;
                 }
@@ -180,7 +180,7 @@ private static string EnrichSpanName(Activity activity)
             var value = activity.GetTagItem(tagKey)?.ToString();
             if (!string.IsNullOrEmpty(value))
             {
-                return $"{displayName}: {value}";
+                return value;
             }
         }
 
@@ -284,6 +284,7 @@ private void OnActivityStopped(Activity activity)
             SpanId = activity.SpanId.ToString(),
             ParentSpanId = parentSpanId,
             Name = EnrichSpanName(activity),
+            SpanType = activity.DisplayName,
             Source = activity.Source.Name,
             Kind = activity.Kind.ToString(),
             StartTimeMs = activity.StartTimeUtc.Subtract(DateTime.UnixEpoch).TotalMilliseconds,

TUnit.Engine/Reporters/Html/HtmlReportDataModel.cs

@@ -187,6 +187,9 @@ internal sealed class SpanData
     [JsonPropertyName("name")]
     public required string Name { get; init; }
 
+    [JsonPropertyName("spanType")]
+    public string? SpanType { get; init; }
+
     [JsonPropertyName("source")]
     public required string Source { get; init; }
 

TUnit.Engine/Reporters/Html/HtmlReportGenerator.cs

@@ -1159,7 +1159,7 @@ private static string GetJavaScript()
 // Build suite span lookup: className -> span
 const suiteSpanByClass = {};
 spans.forEach(s => {
-    if (!s.name.startsWith('test suite')) return;
+    if (s.spanType !== 'test suite') return;
     const tag = (s.tags||[]).find(t => t.key === 'test.suite.name');
     if (tag) suiteSpanByClass[tag.value] = s;
 });
@@ -1460,7 +1460,7 @@ function renderSuiteTrace(className) {
     if (!allSpans) return '';
     const all = getDescendants(allSpans, suite.spanId);
     const testCaseIds = new Set();
-    all.forEach(s => { if (s.name.startsWith('test case')) testCaseIds.add(s.spanId); });
+    all.forEach(s => { if (s.spanType === 'test case') testCaseIds.add(s.spanId); });
     const tcDescendants = new Set();
     testCaseIds.forEach(id => { getDescendants(all, id).forEach(s => { if (s.spanId !== id) tcDescendants.add(s.spanId); }); });
     const filtered = all.filter(s => !tcDescendants.has(s.spanId) && !testCaseIds.has(s.spanId));
@@ -1476,7 +1476,7 @@ function renderSuiteTrace(className) {
 
 // Global timeline: session + assembly + suite spans
 function renderGlobalTimeline() {
-    const topSpans = spans.filter(s => s.name.startsWith('test session') || s.name.startsWith('test assembly') || s.name.startsWith('test suite'));
+    const topSpans = spans.filter(s => s.spanType === 'test session' || s.spanType === 'test assembly' || s.spanType === 'test suite');
     if (!topSpans.length) return '';
     return '<div class="global-trace"><div class="tl-toggle">' + tlArrow + 'Execution Timeline</div><div class="tl-content"><div class="tl-content-inner"><div class="tl-content-pad">' + renderSpanRows(topSpans, 'global') + '</div></div></div></div>';
 }