website refactor

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

@@ -0,0 +1,26 @@
+/**
+ * Login Mutation
+ *
+ * Framework-agnostic mutation for login 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';
+import { SessionViewModel } from '@/lib/view-models/SessionViewModel';
+import { LoginParamsDTO } from '@/lib/types/generated/LoginParamsDTO';
+
+export class LoginMutation {
+  async execute(params: LoginParamsDTO): Promise<Result<SessionViewModel, string>> {
+    try {
+      const authService = new AuthService();
+      const session = await authService.login(params);
+      return Result.ok(session);
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : 'Login failed';
+      return Result.err(errorMessage);
+    }
+  }
+}