stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/__Tests/StellaOps.Evidence.Pack.Tests/EvidencePackServiceTests.CreateFromRun.cs

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+// <copyright file="EvidencePackServiceTests.CreateFromRun.cs" company="StellaOps">
+// Copyright (c) StellaOps. Licensed under the BUSL-1.1.
+// </copyright>
+using System.Threading;
+using FluentAssertions;
+using StellaOps.Evidence.Pack.Models;
+using Xunit;
+
+namespace StellaOps.Evidence.Pack.Tests;
+
+public sealed partial class EvidencePackServiceTests
+{
+    [Fact]
+    public async Task CreateFromRunAsync_AggregatesExistingPacksAsync()
+    {
+        var subject = new EvidenceSubject { Type = EvidenceSubjectType.Finding, FindingId = "finding-123" };
+
+        var context1 = new EvidencePackContext { TenantId = "tenant-1", RunId = "run-agg" };
+        var context2 = new EvidencePackContext { TenantId = "tenant-1", RunId = "run-agg" };
+
+        await _service.CreateAsync(
+            [new EvidenceClaim
+            {
+                ClaimId = "c1",
+                Text = "Claim 1",
+                Type = ClaimType.VulnerabilityStatus,
+                Status = "affected",
+                Confidence = 0.8,
+                EvidenceIds = ["e1"]
+            }],
+            [CreateEvidence("e1")],
+            subject,
+            context1,
+            CancellationToken.None);
+
+        await _service.CreateAsync(
+            [new EvidenceClaim
+            {
+                ClaimId = "c2",
+                Text = "Claim 2",
+                Type = ClaimType.Reachability,
+                Status = "reachable",
+                Confidence = 0.9,
+                EvidenceIds = ["e2"]
+            }],
+            [CreateEvidence("e2")],
+            subject,
+            context2,
+            CancellationToken.None);
+
+        var aggregated = await _service.CreateFromRunAsync("run-agg", subject, CancellationToken.None);
+
+        aggregated.Claims.Should().HaveCount(2);
+        aggregated.Evidence.Should().HaveCount(2);
+    }
+}