doctor enhancements, setup, enhancements, ui functionality and design consolidation and , test projects fixes , product advisory attestation/rekor and delta verfications enhancements

src/__Libraries/StellaOps.DeltaVerdict/Bundles/IGateEvaluator.cs

@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: AGPL-3.0-or-later
+// Copyright (c) 2026 StellaOps
+// Sprint: SPRINT_20260118_030_LIB_verdict_rekor_gate_api
+// Task: TASK-030-005 - Gate Decision Logic (interface for TASK-030-002)
+
+using StellaOps.Signals.EvidenceWeightedScore;
+
+namespace StellaOps.DeltaVerdict.Bundles;
+
+/// <summary>
+/// Evaluates gate decisions based on scoring results and configuration.
+/// </summary>
+public interface IGateEvaluator
+{
+    /// <summary>
+    /// Evaluates gate decision for a single finding.
+    /// </summary>
+    /// <param name="finalScore">Final score [0, 1].</param>
+    /// <param name="input">Original EWS input for context.</param>
+    /// <param name="config">Gate configuration with thresholds.</param>
+    /// <param name="evaluatedAt">Evaluation timestamp.</param>
+    /// <returns>Gate decision with action, reason, and suggestions.</returns>
+    GateDecision Evaluate(
+        double finalScore,
+        EvidenceWeightedScoreInput input,
+        GateConfiguration config,
+        DateTimeOffset evaluatedAt);
+
+    /// <summary>
+    /// Evaluates gate decisions for multiple findings in batch.
+    /// </summary>
+    /// <param name="findings">Collection of score/input pairs.</param>
+    /// <param name="config">Gate configuration with thresholds.</param>
+    /// <param name="evaluatedAt">Evaluation timestamp.</param>
+    /// <returns>Gate decisions for each finding.</returns>
+    IReadOnlyList<GateDecision> EvaluateBatch(
+        IReadOnlyList<(double FinalScore, EvidenceWeightedScoreInput Input)> findings,
+        GateConfiguration config,
+        DateTimeOffset evaluatedAt);
+}