fix(ci): resolve duplicate assembly attributes and flaky tests for deploy-prod and collection orchestrator

.gitea/workflows/deploy-prod.yml

@@ -218,20 +218,34 @@ jobs:
           echo "✓ Artifact checksum verified"
 
       - name: Validate Release Manifest
+        env:
+          ARTIFACT_NAME: ${{ steps.fetch.outputs.artifact }}
+          RELEASE_TAG: ${{ steps.fetch.outputs.tag }}
+          COMMIT_SHA: ${{ steps.fetch.outputs.commit }}
         run: |
-          ARTIFACT="${{ steps.fetch.outputs.artifact }}"
           python3 - <<'PY'
           import json
           import hashlib
+          import os
           import pathlib
           import sys
 
-          artifact = pathlib.Path("${ARTIFACT}")
-          manifest = json.loads(pathlib.Path("${ARTIFACT}.manifest.json").read_text(encoding="utf-8"))
+          artifact_name = os.environ["ARTIFACT_NAME"]
+          release_tag = os.environ["RELEASE_TAG"]
+          commit_sha = os.environ["COMMIT_SHA"]
+
+          artifact = pathlib.Path(artifact_name)
+          manifest_path = pathlib.Path(f"{artifact_name}.manifest.json")
+          
+          if not manifest_path.exists():
+              print(f"ERROR: Manifest file not found: {manifest_path}")
+              sys.exit(1)
+
+          manifest = json.loads(manifest_path.read_text(encoding="utf-8"))
           expected = {
               "artifact": artifact.name,
-              "version": "${{ steps.fetch.outputs.tag }}",
-              "commit": "${{ steps.fetch.outputs.commit }}",
+              "version": release_tag,
+              "commit": commit_sha,
           }
 
           for key, value in expected.items():

src/dotnet/QuantEngine.Application/Services/KisDataCollectionOrchestrator.cs

@@ -20,6 +20,8 @@ public class KisDataCollectionOrchestrator : ICollectionOrchestrator
     private readonly ILogger<KisDataCollectionOrchestrator> _logger;
     private readonly IRuntimeAuditTrailService _auditTrail;
 
+    public Func<DateTime> UtcNowProvider { get; set; } = () => DateTime.UtcNow;
+
     public KisDataCollectionOrchestrator(
         IKisApiClient kisApiClient,
         ICollectionWriteRepository repository,
@@ -70,7 +72,7 @@ public class KisDataCollectionOrchestrator : ICollectionOrchestrator
                     if (IsMarketClosed())
                     {
                         var latest = await _readRepository.GetLatestSnapshotsForTickerAsync(ticker, 1);
-                        var todayPrefix = DateTime.UtcNow.AddHours(9).ToString("yyyy-MM-dd");
+                        var todayPrefix = UtcNowProvider().AddHours(9).ToString("yyyy-MM-dd");
                         if (latest.Count > 0 && latest[0].CapturedAt.StartsWith(todayPrefix))
                         {
                             cachedSnapshot = latest[0];
@@ -111,7 +113,7 @@ public class KisDataCollectionOrchestrator : ICollectionOrchestrator
                     // Persist daily OHLCV bars
                     try
                     {
-                        var today = DateTime.UtcNow.AddHours(9).ToString("yyyyMMdd");
+                        var today = UtcNowProvider().AddHours(9).ToString("yyyyMMdd");
                         var chartResult = await _kisApiClient.GetDailyItemChartPriceAsync(ticker, today, today, "D", account);
                         if (chartResult.TryGetValue("output2", out var output2Obj) && output2Obj is JsonElement output2Elem && output2Elem.ValueKind == JsonValueKind.Array)
                         {
@@ -307,10 +309,10 @@ public class KisDataCollectionOrchestrator : ICollectionOrchestrator
         return Path.Combine(Path.GetTempPath(), "kis_dotnet_collection_v1.json");
     }
 
-    private static bool IsMarketClosed()
+    private bool IsMarketClosed()
     {
         // KST Time conversion (UTC+9)
-        var kst = DateTime.UtcNow.AddHours(9);
+        var kst = UtcNowProvider().AddHours(9);
         
         // Weekend check
         if (kst.DayOfWeek == DayOfWeek.Saturday || kst.DayOfWeek == DayOfWeek.Sunday)

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

@@ -48,10 +48,13 @@ public class KisDataCollectionOrchestratorTests
     [Fact]
     public async Task RunCollectionAsync_WithCachedSnapshot_ShouldNotCallKisApiClient()
     {
+        var mockTime = new DateTime(2026, 7, 13, 13, 0, 0, DateTimeKind.Utc); // 2026-07-13 22:00:00 KST (Market closed)
+        _orchestrator.UtcNowProvider = () => mockTime;
+
         var runId = "test-run-001";
         var ticker = "005930";
         var account = "mock";
-        var todayPrefix = DateTime.UtcNow.AddHours(9).ToString("yyyy-MM-dd");
+        var todayPrefix = mockTime.AddHours(9).ToString("yyyy-MM-dd");
 
         var cachedSnapshot = new CollectionSnapshotRecord(
             RunId: "prev-run",