Initial commit: base slice (auth, roles, users, admin) scaffold

Backend: .NET 10 Clean Architecture + LiteCqrs.Net + EF Core/PostgreSQL +
Identity/JWT. Frontend: React 19 + Vite + TanStack Query/Router + Tailwind v4
with a retro CRT theme. Docker/compose deployment mirroring PnvPanel's
conventions, scoped down to the current base feature set.

backend/src/TeleWave.Application/Common/Interfaces/IRefreshTokenService.cs

@@ -0,0 +1,19 @@
+using TeleWave.Application.Common.Models;
+
+namespace TeleWave.Application.Common.Interfaces;
+
+public sealed record IssuedRefreshToken(string RawToken, DateTimeOffset ExpiresAt);
+
+public sealed record RotatedRefreshToken(Guid UserId, string RawToken, DateTimeOffset ExpiresAt);
+
+public interface IRefreshTokenService
+{
+    Task<IssuedRefreshToken> IssueAsync(Guid userId, CancellationToken cancellationToken);
+
+    Task<Result<RotatedRefreshToken>> RotateAsync(
+        string rawToken,
+        CancellationToken cancellationToken
+    );
+
+    Task RevokeAsync(string rawToken, CancellationToken cancellationToken);
+}