Refactor runtime bootstrap and ship control flows

apps/backend/Auth/Contracts/AuthContracts.cs

@@ -0,0 +1,42 @@
+namespace SpaceGame.Api.Auth.Contracts;
+
+public sealed class RegisterRequest
+{
+    public string Email { get; set; } = string.Empty;
+    public string Password { get; set; } = string.Empty;
+}
+
+public sealed class LoginRequest
+{
+    public string Email { get; set; } = string.Empty;
+    public string Password { get; set; } = string.Empty;
+}
+
+public sealed class RefreshTokenRequest
+{
+    public string RefreshToken { get; set; } = string.Empty;
+}
+
+public sealed class ForgotPasswordRequest
+{
+    public string Email { get; set; } = string.Empty;
+}
+
+public sealed class ResetPasswordRequest
+{
+    public string Token { get; set; } = string.Empty;
+    public string NewPassword { get; set; } = string.Empty;
+}
+
+public sealed record AuthSessionResponse(
+  Guid UserId,
+  string Email,
+  IReadOnlyList<string> Roles,
+  string AccessToken,
+  DateTimeOffset AccessTokenExpiresAtUtc,
+  string RefreshToken,
+  DateTimeOffset RefreshTokenExpiresAtUtc);
+
+public sealed record ForgotPasswordResponse(
+  bool Accepted,
+  string? ResetToken = null);