UI work to fill SBOM sourcing management gap. UI planning remaining functionality exposure. Work on CI/Tests stabilization

Introduces CGS determinism test runs to CI workflows for Windows, macOS, Linux, Alpine, and Debian, fulfilling CGS-008 cross-platform requirements. Updates local-ci scripts to support new smoke steps, test timeouts, progress intervals, and project slicing for improved test isolation and diagnostics.

src/AdvisoryAI/__Tests/StellaOps.AdvisoryAI.Tests/ExplanationGeneratorIntegrationTests.cs

@@ -499,6 +499,8 @@ public sealed class ExplanationGeneratorIntegrationTests
         {
             var citations = new List<ExplanationCitation>();
             var evidenceList = evidence.AllEvidence.ToList();
+            var verifiedCount = (int)Math.Round(evidenceList.Count * _verifiedRate, MidpointRounding.AwayFromZero);
+            verifiedCount = Math.Clamp(verifiedCount, 0, evidenceList.Count);
 
             for (int i = 0; i < evidenceList.Count; i++)
             {
@@ -508,7 +510,7 @@ public sealed class ExplanationGeneratorIntegrationTests
                     ClaimText = $"Claim about {ev.Type}",
                     EvidenceId = ev.Id,
                     EvidenceType = ev.Type,
-                    Verified = i < (int)(evidenceList.Count * _verifiedRate),
+                    Verified = i < verifiedCount,
                     EvidenceExcerpt = ev.Summary
                 });
             }

src/AdvisoryAI/__Tests/StellaOps.AdvisoryAI.Tests/PolicyStudioIntegrationTests.cs

@@ -458,6 +458,7 @@ public sealed class PolicyStudioIntegrationTests
         {
             var intentId = $"intent-{Guid.NewGuid():N}";
             var confidence = _ambiguous ? 0.7 : 0.95;
+            var verdict = ResolveVerdict(naturalLanguageInput);
 
             var conditions = new List<PolicyCondition>();
 
@@ -500,7 +501,7 @@ public sealed class PolicyStudioIntegrationTests
                 Actions = [new PolicyAction
                 {
                     ActionType = "set_verdict",
-                    Parameters = new Dictionary<string, object> { ["verdict"] = "block" }
+                    Parameters = new Dictionary<string, object> { ["verdict"] = verdict }
                 }],
                 Scope = context?.DefaultScope ?? "all",
                 Priority = 100,
@@ -520,6 +521,21 @@ public sealed class PolicyStudioIntegrationTests
             });
         }
 
+        private static string ResolveVerdict(string input)
+        {
+            if (input.Contains("allow", StringComparison.OrdinalIgnoreCase))
+            {
+                return "allow";
+            }
+
+            if (input.Contains("warn", StringComparison.OrdinalIgnoreCase))
+            {
+                return "warn";
+            }
+
+            return "block";
+        }
+
         public Task<PolicyParseResult> ClarifyAsync(
             string intentId,
             string clarification,