refactor(dotnet): centralize runtime audit trail

src/dotnet/QuantEngine.Core.Tests/KisDataCollectionOrchestratorTests.cs

@@ -3,6 +3,8 @@ using Moq;
 using System.Reflection;
 using System.Text.Json;
 using Microsoft.Extensions.Logging;
+using QuantEngine.Application.Interfaces;
+using QuantEngine.Application.Models;
 using QuantEngine.Core.Interfaces;
 using QuantEngine.Application.Services;
 
@@ -13,6 +15,7 @@ public class KisDataCollectionOrchestratorTests
     private readonly Mock<IKisApiClient> _kisApiClientMock;
     private readonly Mock<ICollectionRepository> _repositoryMock;
     private readonly Mock<ILogger<KisDataCollectionOrchestrator>> _loggerMock;
+    private readonly Mock<IRuntimeAuditTrailService> _auditTrailMock;
     private readonly PriceDataNormalizer _normalizer;
     private readonly SourcePriorityResolver _priorityResolver;
     private readonly KisDataCollectionOrchestrator _orchestrator;
@@ -22,6 +25,7 @@ public class KisDataCollectionOrchestratorTests
         _kisApiClientMock = new Mock<IKisApiClient>();
         _repositoryMock = new Mock<ICollectionRepository>();
         _loggerMock = new Mock<ILogger<KisDataCollectionOrchestrator>>();
+        _auditTrailMock = new Mock<IRuntimeAuditTrailService>();
         _priorityResolver = new SourcePriorityResolver();
         _normalizer = new PriceDataNormalizer(_priorityResolver);
 
@@ -30,7 +34,8 @@ public class KisDataCollectionOrchestratorTests
             _repositoryMock.Object,
             _normalizer,
             _priorityResolver,
-            _loggerMock.Object
+            _loggerMock.Object,
+            _auditTrailMock.Object
         );
     }
 
@@ -93,12 +98,6 @@ public class KisDataCollectionOrchestratorTests
         var runId = "test-run-002";
         var ticker = "005930";
         var account = "mock";
-        var auditPath = Path.Combine(FindRepoRoot(), "Temp", "collection_audit", $"{runId}.jsonl");
-        if (File.Exists(auditPath))
-        {
-            File.Delete(auditPath);
-        }
-
         _repositoryMock
             .Setup(r => r.GetLatestSnapshotsForTickerAsync(ticker, It.IsAny<int>()))
             .ReturnsAsync(new List<CollectionSnapshotRecord>());
@@ -133,8 +132,7 @@ public class KisDataCollectionOrchestratorTests
         Assert.NotNull(result);
         Assert.Equal("COMPLETED", result.Status);
         Assert.Equal(1, result.SuccessCount);
-        Assert.True(File.Exists(auditPath));
-        Assert.Contains("COMPLETED", File.ReadAllText(auditPath));
+        _auditTrailMock.Verify(a => a.Append("collection_audit", runId, It.IsAny<CollectionExecutionAudit>()), Times.Exactly(2));
 
         _kisApiClientMock.Verify(
             k => k.GetCurrentPriceAsync(ticker, account),