event log updates

Author: rhamlett

src/PerfProblemSimulator/Hubs/MetricsHub.cs

@@ -130,7 +130,7 @@ public async Task RequestMetrics()
     /// Used when the dashboard page loads or user interacts with it.
     /// </summary>
     [UsedImplicitly]
-    public async Task WakeUp()
+    public Task WakeUp()
     {
         var wasIdle = _idleStateService.WakeUp();
 
@@ -139,19 +139,12 @@ public async Task WakeUp()
             _logger.LogInformation("Server woken up by client request from: {ConnectionId}", Context.ConnectionId);
         }
 
-        // Always send current idle state directly to the caller.
-        // When waking from idle, the broadcast via MetricsBroadcastService may be
-        // delayed (queued on the dedicated broadcast thread), so we must send
-        // the updated state directly to ensure the client knows we're active.
-        var idleData = new IdleStateData
-        {
-            IsIdle = false,
-            Message = wasIdle
-                ? "App waking up from idle state. There may be gaps in diagnostics and logs."
-                : "Application is active",
-            Timestamp = DateTimeOffset.UtcNow
-        };
-        await Clients.Caller.ReceiveIdleState(idleData);
+        // Do NOT send ReceiveIdleState directly here.
+        // The WakingUp event fired by IdleStateService.WakeUp() is handled by
+        // MetricsBroadcastService, which broadcasts ReceiveIdleState to all clients.
+        // Sending it here as well would cause the caller to receive the wake
+        // message twice (once direct, once broadcast), duplicating the event log entry.
+        return Task.CompletedTask;
     }
 
     /// <summary>

src/PerfProblemSimulator/wwwroot/css/dashboard.css

@@ -982,11 +982,13 @@ body.page-secondary {
     margin-right: 0.75rem;
 }
 
-/* Log entry severity levels (fallback) */
-.log-entry.info { color: var(--color-primary); }
-.log-entry.success { color: var(--color-success); }
-.log-entry.warning { color: var(--color-warning); }
-.log-entry.error { color: var(--color-danger); }
+/* Log entry non-simulation colors (matches title bar gradient dark end) */
+.log-entry.info { color: var(--color-primary-dark); }
+.log-entry.success { color: var(--color-primary-dark); }
+.log-entry.warning { color: var(--color-primary-dark); }
+.log-entry.error { color: var(--color-primary-dark); }
+.log-entry.system { color: var(--color-primary-dark); }
+.log-entry.idle { color: var(--color-primary-dark); }
 
 /* Log entry simulation-themed colors */
 .log-entry.cpu { color: var(--color-cpu); }
@@ -996,7 +998,6 @@ body.page-secondary {
 .log-entry.failedrequests { color: #8B4513; } /* Medium brown for failed requests */
 .log-entry.crash { color: var(--color-danger); }
 .log-entry.loadtest { color: var(--color-primary); } /* .NET theme: blue */
-.log-entry.system { color: var(--color-text-muted); }
 
 .log-icon {
     margin-right: 0.35rem;