fix: Missing input validators + No patient update endpoint + Pagination inconsistencies + Missing list/get endpoints

VigilCareClinicalAPI/Services/QsofaService.cs

@@ -26,6 +26,28 @@ public class QsofaService : IQsofaService
         return QsofaCalculator.CountActiveCriteria(values);
     }
 
+    public async Task<CursorPage<ClinicalAlert>> GetHistoryAsync(
+        Guid encounterId, int limit, string? cursor)
+    {
+        limit = Math.Clamp(limit, 1, 100);
+
+        var query = _db.ClinicalAlerts
+            .AsNoTracking()
+            .Where(a => a.EncounterId == encounterId
+                && (a.AlertType == AlertType.QsofaScreen || a.AlertType == AlertType.QsofaWarning));
+
+        var items = await query
+            .OrderByDescending(a => a.TriggeredAt)
+            .ThenByDescending(a => a.Id)
+            .Take(limit + 1)
+            .ToListAsync();
+
+        var hasMore = items.Count > limit;
+        if (hasMore) items.RemoveAt(limit);
+
+        return new CursorPage<ClinicalAlert>(items, null, hasMore);
+    }
+
     private async Task EnsureEncounterExistsAsync(Guid encounterId)
     {
         var exists = await _db.Encounters.AnyAsync(e => e.Id == encounterId);