feat: add Vite + React SPA with Tailwind CSS and routing

apps/web/src/lib/api.ts

@@ -0,0 +1,34 @@
+const API_BASE = "/api";
+
+export async function apiGet<T>(path: string): Promise<T> {
+  const res = await fetch(`${API_BASE}${path}`, {
+    headers: { Authorization: `Bearer ${getToken()}` },
+  });
+  if (!res.ok) throw new Error(`API error: ${res.status}`);
+  return res.json();
+}
+
+export async function apiPost<T>(path: string, body?: unknown): Promise<T> {
+  const res = await fetch(`${API_BASE}${path}`, {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+      Authorization: `Bearer ${getToken()}`,
+    },
+    body: body ? JSON.stringify(body) : undefined,
+  });
+  if (!res.ok) throw new Error(`API error: ${res.status}`);
+  return res.json();
+}
+
+function getToken(): string {
+  return localStorage.getItem("stirling-token") || "";
+}
+
+export function setToken(token: string) {
+  localStorage.setItem("stirling-token", token);
+}
+
+export function clearToken() {
+  localStorage.removeItem("stirling-token");
+}