stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/StellaOps.Provcache.Postgres/PostgresEvidenceChunkRepository.Store.cs

@@ -0,0 +1,49 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace StellaOps.Provcache.Postgres;
+
+public sealed partial class PostgresEvidenceChunkRepository
+{
+    /// <inheritdoc />
+    public async Task StoreChunksAsync(
+        string proofRoot,
+        IEnumerable<EvidenceChunk> chunks,
+        CancellationToken cancellationToken = default)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(proofRoot);
+        ArgumentNullException.ThrowIfNull(chunks);
+
+        var chunkList = chunks.ToList();
+
+        if (chunkList.Count == 0)
+        {
+            _logger.LogDebug("No chunks to store for proof root {ProofRoot}", proofRoot);
+            return;
+        }
+
+        // Update proof root in chunks if not set
+        var entities = chunkList.Select(c => MapToEntity(c, proofRoot)).ToList();
+
+        _context.EvidenceChunks.AddRange(entities);
+        await _context.SaveChangesAsync(cancellationToken).ConfigureAwait(false);
+
+        _logger.LogDebug("Stored {Count} chunks for proof root {ProofRoot}", chunkList.Count, proofRoot);
+    }
+
+    /// <inheritdoc />
+    public async Task<int> DeleteChunksAsync(
+        string proofRoot,
+        CancellationToken cancellationToken = default)
+    {
+        ArgumentException.ThrowIfNullOrWhiteSpace(proofRoot);
+
+        var deleted = await _context.EvidenceChunks
+            .Where(e => e.ProofRoot == proofRoot)
+            .ExecuteDeleteAsync(cancellationToken)
+            .ConfigureAwait(false);
+
+        _logger.LogDebug("Deleted {Count} chunks for proof root {ProofRoot}", deleted, proofRoot);
+        return deleted;
+    }
+}