Nucleic: Windows Port 1

NucleicBroker/Program.cs

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+using System.Text;
+using NucleicBroker;
+
+// nucleic-brokerd (docs/WINDOWS_PORT.md §2.3): child of nucleic-hostd, NDJSON JSON-RPC 2.0
+// over stdio. Exits when stdin closes (hostd died or shut down); on Windows the Job Object
+// hostd assigns kills us anyway — this is the graceful path.
+//
+// stdout carries ONLY protocol lines (the OutboundWriter is its single writer); every
+// diagnostic goes to stderr, which hostd logs.
+
+Console.OutputEncoding = Encoding.UTF8;
+
+IWslc wslc =
+#if USE_WSLC
+    new NucleicBroker.Wslc.WslcFacade();
+#else
+    new UnavailableWslc();
+#endif
+IAiProvider ai = new UnavailableAiProvider();
+
+var stdout = new StreamWriter(Console.OpenStandardOutput(), new UTF8Encoding(false)) { AutoFlush = false };
+var outbound = new OutboundWriter(stdout);
+var service = new BrokerService(wslc, ai, outbound);
+
+using var stdin = new StreamReader(Console.OpenStandardInput(), Encoding.UTF8);
+var inFlight = new List<Task>();
+for (string? line; (line = await stdin.ReadLineAsync()) is not null;)
+{
+    if (line.Length == 0) continue;
+    // Requests run concurrently (a long image.pull must not block container.list); the
+    // outbound writer serializes their responses. Track them so shutdown can drain.
+    inFlight.Add(service.HandleLineAsync(line));
+    inFlight.RemoveAll(t => t.IsCompleted);
+}
+
+await Task.WhenAll(inFlight).ConfigureAwait(false);
+await outbound.CompleteAsync().ConfigureAwait(false);