Initial commit: MVP structure + Cursor documentation + Onboarding components

src/api/client.ts

@@ -0,0 +1,83 @@
+// API Client для MicroDAO
+
+const API_BASE_URL = import.meta.env.VITE_API_URL || 'https://api.microdao.xyz';
+
+export class ApiError extends Error {
+  constructor(
+    message: string,
+    public status: number,
+    public data?: unknown
+  ) {
+    super(message);
+    this.name = 'ApiError';
+  }
+}
+
+async function getAuthToken(): Promise<string | null> {
+  // Перевіряємо localStorage або httpOnly cookie
+  return localStorage.getItem('auth_token');
+}
+
+async function fetchApi(
+  endpoint: string,
+  options: RequestInit = {}
+): Promise<Response> {
+  const token = await getAuthToken();
+  
+  const headers: HeadersInit = {
+    'Content-Type': 'application/json',
+    ...options.headers,
+  };
+
+  if (token) {
+    headers['Authorization'] = `Bearer ${token}`;
+  }
+
+  const url = endpoint.startsWith('http') ? endpoint : `${API_BASE_URL}${endpoint}`;
+
+  const response = await fetch(url, {
+    ...options,
+    headers,
+  });
+
+  if (!response.ok) {
+    const errorData = await response.json().catch(() => ({}));
+    throw new ApiError(
+      errorData.message || `HTTP ${response.status}: ${response.statusText}`,
+      response.status,
+      errorData
+    );
+  }
+
+  return response;
+}
+
+export async function apiGet<T>(endpoint: string): Promise<T> {
+  const response = await fetchApi(endpoint, { method: 'GET' });
+  return response.json();
+}
+
+export async function apiPost<T>(endpoint: string, data?: unknown): Promise<T> {
+  const response = await fetchApi(endpoint, {
+    method: 'POST',
+    body: data ? JSON.stringify(data) : undefined,
+  });
+  return response.json();
+}
+
+export async function apiPatch<T>(endpoint: string, data: unknown): Promise<T> {
+  const response = await fetchApi(endpoint, {
+    method: 'PATCH',
+    body: JSON.stringify(data),
+  });
+  return response.json();
+}
+
+export async function apiDelete<T>(endpoint: string): Promise<T> {
+  const response = await fetchApi(endpoint, { method: 'DELETE' });
+  if (response.status === 204) {
+    return {} as T;
+  }
+  return response.json();
+}
+