website refactor

apps/website/lib/mutations/auth/LogoutMutation.ts

@@ -0,0 +1,24 @@
+/**
+ * Logout Mutation
+ *
+ * Framework-agnostic mutation for logout operations.
+ * Called from Server Actions.
+ *
+ * Pattern: Server Action → Mutation → Service → API Client
+ */
+
+import { Result } from '@/lib/contracts/Result';
+import { AuthService } from '@/lib/services/auth/AuthService';
+
+export class LogoutMutation {
+  async execute(): Promise<Result<void, string>> {
+    try {
+      const authService = new AuthService();
+      await authService.logout();
+      return Result.ok(undefined);
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : 'Logout failed';
+      return Result.err(errorMessage);
+    }
+  }
+}