csharpdeeb25a2 | 1 | namespace CascadeIDE.Features.Agent.Environment; |
| 2 | |
| 3 | /// <summary>Coalesce duplicate environment tasks within window (ADR 0148 §8).</summary> |
| 4 | public sealed class EnvironmentTaskDedup |
| 5 | { |
| 6 | private readonly int _coalesceWindowMs; |
| 7 | private readonly object _gate = new(); |
| 8 | private string? _lastKey; |
| 9 | private DateTimeOffset _lastAtUtc; |
| 10 | |
| 11 | public EnvironmentTaskDedup(int coalesceWindowMs) => _coalesceWindowMs = Math.Max(0, coalesceWindowMs); |
| 12 | |
| 13 | public bool ShouldCoalesce(string dedupKey) |
| 14 | { |
| 15 | if (_coalesceWindowMs <= 0) |
| 16 | return false; |
| 17 | |
| 18 | lock (_gate) |
| 19 | { |
| 20 | var now = DateTimeOffset.UtcNow; |
| 21 | if (_lastKey == dedupKey && (now - _lastAtUtc).TotalMilliseconds < _coalesceWindowMs) |
| 22 | return true; |
| 23 | |
| 24 | _lastKey = dedupKey; |
| 25 | _lastAtUtc = now; |
| 26 | return false; |
| 27 | } |
| 28 | } |
| 29 | } |
| 30 | |
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