Add user progress dashboard

api/QuestionsApi/Controllers/DashboardController.cs

@@ -0,0 +1,23 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using QuestionsApi.Services;
+using System.Security.Claims;
+
+namespace QuestionsApi.Controllers;
+
+[ApiController]
+[Route("api/dashboard")]
+[Authorize(Roles = "USER,SUPER")]
+public sealed class DashboardController(DashboardStore dashboard) : ControllerBase
+{
+    [HttpGet]
+    public async Task<IActionResult> Get()
+    {
+        var userId = User.FindFirstValue(ClaimTypes.NameIdentifier)
+            ?? User.FindFirstValue(ClaimTypes.Name)
+            ?? User.Identity?.Name
+            ?? "";
+        if (string.IsNullOrWhiteSpace(userId)) return Unauthorized();
+        return Ok(await dashboard.GetAsync(userId, DateTime.UtcNow));
+    }
+}