Improve load balancing and move to pull based model

RemoteExec.Server/Controllers/AssemblyController.cs

@@ -0,0 +1,32 @@
+using Microsoft.AspNetCore.Mvc;
+
+using RemoteExec.Server.Hubs;
+
+namespace RemoteExec.Server.Controllers;
+
+[ApiController]
+[Route("/")]
+public class AssemblyController(ILogger<AssemblyController> logger) : ControllerBase
+{
+    [HttpPost("provide-assembly")]
+    public async Task<IActionResult> ProvideAssembly([FromQuery] Guid requestId)
+    {
+        try
+        {
+            using MemoryStream ms = new MemoryStream();
+            await Request.Body.CopyToAsync(ms);
+            byte[] assemblyBytes = ms.ToArray();
+
+            logger.LogInformation("Received assembly for request {RequestId}, size: {Size} bytes", requestId, assemblyBytes.Length);
+
+            await RemoteExecutionHub.ProvideAssembly(requestId, assemblyBytes);
+
+            return Ok();
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "Error providing assembly for request {RequestId}", requestId);
+            return StatusCode(500, ex.Message);
+        }
+    }
+}