Invalidate JWTs on profile changes

src/RecNet.Infrastructure/Persistence/Repositories/ProfileRepository.cs

@@ -53,6 +53,15 @@ public class ProfileRepository(DatabaseContext dbContext) : IProfileRepository
                 x.PlatformId == platformId, 
                 ct);
 
+    public Task<Guid> GetProfileTokenVersion(
+        Guid profileId,
+        CancellationToken ct = default)
+        => dbContext.Profiles
+            .AsNoTracking()
+            .Where(x => x.ProfileId == profileId)
+            .Select(x => x.TokenVersion)
+            .FirstOrDefaultAsync(ct);
+
     public async Task AddAsync(
         Profile profile, 
         CancellationToken ct = default)