improved mobile layout

src/store.ts

@@ -0,0 +1,72 @@
+import { load, Store } from '@tauri-apps/plugin-store'
+import type { LoginResponse } from './types'
+import { apiFetch } from './api/client'
+
+let store: Store | null = null
+
+async function getStore() {
+  if (!store) {
+    store = await load('store.json')
+  }
+  return store
+}
+
+export async function setLastRoom(uuid: string) {
+  if (!uuid || uuid === 'none') return
+
+  const s = await getStore()
+  await s.set('last_room_uuid', uuid)
+  await s.save()
+}
+
+export async function getLastRoom(): Promise<string | null> {
+  const s = await getStore()
+  const lastRoom = await s.get<string>('last_room_uuid')
+  return lastRoom ?? null
+}
+
+export async function initAuth() {
+  const s = await getStore()
+  const token = await s.get<string>('token')
+  const uuid = await s.get<string>('uuid')
+  return { token: token || null, uuid: uuid || null, isAuthenticated: !!token }
+}
+
+export async function login(email: string, username: string, password: string) {
+  const res: LoginResponse = await apiFetch('/login', {
+    method: 'POST',
+    body: JSON.stringify({ email, username, password }),
+  })
+
+  const s = await getStore()
+  await s.set('token', res.token)
+  await s.set('uuid', res.uuid)
+  await s.save()
+
+  return { token: res.token, uuid: res.uuid, isAuthenticated: true }
+}
+
+export async function logout() {
+  const s = await getStore()
+  await s.delete('token')
+  await s.delete('uuid')
+  await s.save()
+  return { token: null, uuid: null, isAuthenticated: false }
+}
+
+export async function validateToken(): Promise<boolean> {
+  const auth = await initAuth()
+  if (!auth.token) return false
+
+  try {
+    await apiFetch('/validate-token')
+    return true
+  } catch (e: any) {
+    // Only logout if token is bad
+    if (e.message.includes('401')) {
+      await logout()
+      return false
+    }
+    return true
+  }
+}