feat(api): .NET 10 multi-tenant REST API

Full backend implementation:
- Multi-tenant cafe/restaurant management (menus, orders, tables, staff)
- POS order flow with ZarinPal and Snappfood payment integration
- OTP authentication via Kavenegar SMS
- QR digital menu with public discover/finder endpoints
- Customer loyalty, coupons, CRM
- PostgreSQL via EF Core, Redis for caching/sessions
- Background jobs, webhook handlers
- Full migration history

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

src/Meezi.API/Controllers/DeliveryReportsController.cs

@@ -0,0 +1,31 @@
+using Microsoft.AspNetCore.Mvc;
+using Meezi.API.Services.Delivery;
+using Meezi.Core.Interfaces;
+using Meezi.Shared;
+
+namespace Meezi.API.Controllers;
+
+[Route("api/cafes/{cafeId}/reports/delivery")]
+public class DeliveryReportsController : CafeApiControllerBase
+{
+    private readonly IDeliveryFinanceReportService _reports;
+
+    public DeliveryReportsController(IDeliveryFinanceReportService reports) => _reports = reports;
+
+    [HttpGet("revenue")]
+    public async Task<IActionResult> RevenueByPlatform(
+        string cafeId,
+        ITenantContext tenant,
+        [FromQuery] DateTime? from,
+        [FromQuery] DateTime? to,
+        CancellationToken ct)
+    {
+        if (EnsureCafeAccess(cafeId, tenant) is { } denied) return denied;
+
+        var utcTo = to ?? DateTime.UtcNow;
+        var utcFrom = from ?? utcTo.AddDays(-30);
+
+        var data = await _reports.GetRevenueByPlatformAsync(cafeId, utcFrom, utcTo, ct);
+        return Ok(new ApiResponse<object>(true, data));
+    }
+}