fix tests. new product advisories enhancements

src/__Libraries/StellaOps.Doctor/Engine/DoctorEngine.cs

@@ -88,6 +88,31 @@ public sealed class DoctorEngine
         return report;
     }
 
+    /// <summary>
+    /// Runs checks and returns simplified results for dashboard consumption.
+    /// </summary>
+    public async Task<IReadOnlyList<CheckResult>> RunChecksAsync(
+        DoctorRunOptions options,
+        CancellationToken ct = default)
+    {
+        var report = await RunAsync(options, progress: null, ct);
+        return report.Results.Select(r => new CheckResult
+        {
+            CheckId = r.CheckId,
+            Severity = MapSeverity(r.Severity),
+            IsHealthy = r.Severity.IsSuccess(),
+            Message = r.Diagnosis,
+            Metadata = r.Evidence.Data ?? ImmutableDictionary<string, string>.Empty
+        }).ToList();
+    }
+
+    private static CheckSeverity MapSeverity(DoctorSeverity severity) => severity switch
+    {
+        DoctorSeverity.Fail => CheckSeverity.Critical,
+        DoctorSeverity.Warn => CheckSeverity.Warning,
+        _ => CheckSeverity.Info
+    };
+
     /// <summary>
     /// Lists all available checks.
     /// </summary>

src/__Libraries/StellaOps.Doctor/Models/CheckResult.cs

@@ -0,0 +1,44 @@
+// <copyright file="CheckResult.cs" company="Stella Operations">
+// Copyright (c) Stella Operations. Licensed under BUSL-1.1.
+// </copyright>
+
+using System.Collections.Immutable;
+
+namespace StellaOps.Doctor.Models;
+
+/// <summary>
+/// Severity levels for simplified dashboard health checks.
+/// Maps from <see cref="DoctorSeverity"/> for dashboard consumption.
+/// </summary>
+public enum CheckSeverity
+{
+    /// <summary>Informational - no action required.</summary>
+    Info,
+    /// <summary>Warning - should be addressed soon.</summary>
+    Warning,
+    /// <summary>Critical - immediate action required.</summary>
+    Critical
+}
+
+/// <summary>
+/// Simplified check result for dashboard providers.
+/// Produced by <see cref="Engine.DoctorEngine.RunChecksAsync"/> for quick status reads.
+/// </summary>
+public sealed record CheckResult
+{
+    /// <summary>Gets the unique check identifier.</summary>
+    public required string CheckId { get; init; }
+
+    /// <summary>Gets the check severity level.</summary>
+    public required CheckSeverity Severity { get; init; }
+
+    /// <summary>Gets whether the check passed.</summary>
+    public required bool IsHealthy { get; init; }
+
+    /// <summary>Gets the result message.</summary>
+    public required string Message { get; init; }
+
+    /// <summary>Gets additional metadata key-value pairs.</summary>
+    public IReadOnlyDictionary<string, string> Metadata { get; init; } =
+        ImmutableDictionary<string, string>.Empty;
+}

src/__Libraries/StellaOps.Doctor/Models/DoctorRunOptions.cs

@@ -75,6 +75,11 @@ public sealed record DoctorRunOptions
     /// </summary>
     public string? TenantId { get; init; }
 
+    /// <summary>
+    /// Whether to stop running on first check failure.
+    /// </summary>
+    public bool FailFast { get; init; }
+
     /// <summary>
     /// Command used to invoke the run (for evidence logs).
     /// </summary>