Replace BLite with Surreal embedded persistence

src/ZB.MOM.WW.CBDDC.Persistence/Surreal/ICBDDCSurrealEmbeddedClient.cs

@@ -0,0 +1,32 @@
+using SurrealDb.Net;
+using SurrealDb.Net.Models.Response;
+
+namespace ZB.MOM.WW.CBDDC.Persistence.Surreal;
+
+/// <summary>
+///     Abstraction over the embedded Surreal client used by CBDDC persistence stores.
+/// </summary>
+public interface ICBDDCSurrealEmbeddedClient : IAsyncDisposable, IDisposable
+{
+    /// <summary>
+    ///     Gets the underlying Surreal client.
+    /// </summary>
+    ISurrealDbClient Client { get; }
+
+    /// <summary>
+    ///     Connects and selects namespace/database exactly once.
+    /// </summary>
+    Task InitializeAsync(CancellationToken cancellationToken = default);
+
+    /// <summary>
+    ///     Executes a raw SurrealQL statement.
+    /// </summary>
+    Task<SurrealDbResponse> RawQueryAsync(string query,
+        IReadOnlyDictionary<string, object?>? parameters = null,
+        CancellationToken cancellationToken = default);
+
+    /// <summary>
+    ///     Checks whether the embedded client responds to health probes.
+    /// </summary>
+    Task<bool> HealthAsync(CancellationToken cancellationToken = default);
+}