stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/StellaOps.Provcache.Api/ProvcacheGetResponse.cs

@@ -0,0 +1,32 @@
+namespace StellaOps.Provcache.Api;
+
+/// <summary>
+/// Response model for GET /v1/provcache/{veriKey}.
+/// </summary>
+public sealed class ProvcacheGetResponse
+{
+    /// <summary>
+    /// The VeriKey that was looked up.
+    /// </summary>
+    public required string VeriKey { get; init; }
+
+    /// <summary>
+    /// The cache entry if found.
+    /// </summary>
+    public ProvcacheEntry? Entry { get; init; }
+
+    /// <summary>
+    /// The source of the cache hit (valkey, postgres, etc.).
+    /// </summary>
+    public string? Source { get; init; }
+
+    /// <summary>
+    /// Time taken for the lookup in milliseconds.
+    /// </summary>
+    public double ElapsedMs { get; init; }
+
+    /// <summary>
+    /// Status: "hit", "miss", "bypassed", "expired".
+    /// </summary>
+    public required string Status { get; init; }
+}