Scaffold full-stack volunteer scheduling application

Go backend with domain-based packages (volunteer, schedule, timeoff,
checkin, notification), SQLite storage, JWT auth, and chi router.
React TypeScript frontend with routing, auth context, and pages for
all core features. Multi-stage Dockerfile and docker-compose included.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

web/src/App.tsx

@@ -0,0 +1,60 @@
+import React from 'react';
+import { BrowserRouter, Routes, Route, NavLink, Navigate } from 'react-router-dom';
+import { AuthProvider, useAuth } from './auth';
+import Login from './pages/Login';
+import Dashboard from './pages/Dashboard';
+import Schedules from './pages/Schedules';
+import TimeOff from './pages/TimeOff';
+import Volunteers from './pages/Volunteers';
+import './App.css';
+
+function Nav() {
+  const { role, logout } = useAuth();
+  return (
+    <nav>
+      <span className="nav-brand">Walkies</span>
+      <NavLink to="/">Dashboard</NavLink>
+      <NavLink to="/schedules">Schedules</NavLink>
+      <NavLink to="/timeoff">Time Off</NavLink>
+      {role === 'admin' && <NavLink to="/volunteers">Volunteers</NavLink>}
+      <button className="btn-link" onClick={logout}>Sign Out</button>
+    </nav>
+  );
+}
+
+function ProtectedLayout() {
+  const { token } = useAuth();
+  if (!token) return <Navigate to="/login" replace />;
+  return (
+    <div className="layout">
+      <Nav />
+      <main>
+        <Routes>
+          <Route path="/" element={<Dashboard />} />
+          <Route path="/schedules" element={<Schedules />} />
+          <Route path="/timeoff" element={<TimeOff />} />
+          <Route path="/volunteers" element={<Volunteers />} />
+        </Routes>
+      </main>
+    </div>
+  );
+}
+
+function LoginRoute() {
+  const { token } = useAuth();
+  if (token) return <Navigate to="/" replace />;
+  return <Login />;
+}
+
+export default function App() {
+  return (
+    <AuthProvider>
+      <BrowserRouter>
+        <Routes>
+          <Route path="/login" element={<LoginRoute />} />
+          <Route path="/*" element={<ProtectedLayout />} />
+        </Routes>
+      </BrowserRouter>
+    </AuthProvider>
+  );
+}