feat: add frontend auth shell

frontend/src/features/auth/api.ts

@@ -0,0 +1,20 @@
+import { apiRequest } from '@/lib/api'
+
+import type { CurrentUser } from './types'
+
+export async function getCurrentUser() {
+  return apiRequest<CurrentUser>('/accounts/auth/me')
+}
+
+export async function login(username: string, password: string) {
+  return apiRequest<CurrentUser>('/accounts/auth/login', {
+    method: 'POST',
+    body: JSON.stringify({ username, password })
+  })
+}
+
+export async function logout() {
+  await apiRequest<{ status: string }>('/accounts/auth/logout', {
+    method: 'POST'
+  })
+}