stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/StellaOps.ReachGraph.Persistence/PostgresReachGraphRepository.Replay.cs

@@ -0,0 +1,55 @@
+// Licensed to StellaOps under the BUSL-1.1 license.
+using Dapper;
+using Microsoft.Extensions.Logging;
+
+namespace StellaOps.ReachGraph.Persistence;
+
+public sealed partial class PostgresReachGraphRepository
+{
+    /// <inheritdoc />
+    public async Task RecordReplayAsync(
+        ReplayLogEntry entry,
+        CancellationToken cancellationToken = default)
+    {
+        ArgumentNullException.ThrowIfNull(entry);
+
+        await using var connection = await _dataSource
+            .OpenConnectionAsync(cancellationToken)
+            .ConfigureAwait(false);
+        await SetTenantContextAsync(connection, entry.TenantId, cancellationToken).ConfigureAwait(false);
+
+        var inputsJson = ReachGraphPersistenceCodec.SerializeInputs(entry.InputDigests);
+        var divergenceJson = ReachGraphPersistenceCodec.SerializeDivergence(entry.Divergence);
+
+        const string sql = """
+            INSERT INTO reachgraph.replay_log (
+                subgraph_digest, input_digests, computed_digest, matches,
+                divergence, tenant_id, duration_ms
+            )
+            VALUES (
+                @SubgraphDigest, @InputDigests::jsonb, @ComputedDigest, @Matches,
+                @Divergence::jsonb, @TenantId, @DurationMs
+            )
+            """;
+
+        var command = new CommandDefinition(sql, new
+        {
+            entry.SubgraphDigest,
+            InputDigests = inputsJson,
+            entry.ComputedDigest,
+            entry.Matches,
+            Divergence = divergenceJson,
+            entry.TenantId,
+            entry.DurationMs
+        }, cancellationToken: cancellationToken);
+
+        await connection.ExecuteAsync(command).ConfigureAwait(false);
+
+        _logger.LogInformation(
+            "Recorded replay {Result} for {Digest} (computed: {Computed}, {Duration}ms)",
+            entry.Matches ? "MATCH" : "MISMATCH",
+            entry.SubgraphDigest,
+            entry.ComputedDigest,
+            entry.DurationMs);
+    }
+}