Stub admin page

.github/workflows/build.yaml

@@ -26,6 +26,10 @@ jobs:
         uses: astral-sh/setup-uv@v6
 
       - name: Build frontend
+        env:
+          VITE_COGNITO_USER_POOL_ID: ${{ vars.VITE_COGNITO_USER_POOL_ID }}
+          VITE_COGNITO_USER_POOL_CLIENT_ID: ${{ vars.VITE_COGNITO_USER_POOL_CLIENT_ID }}
+          VITE_API_URL: ${{ vars.VITE_API_URL }}
         run: ./build.sh
       - name: Deploy frontend
         run: ./deploy.sh

.gitignore

@@ -1,9 +1,11 @@
 .DS_Store
+.claude
 
 # React
 frontend/node_modules/
 frontend/.react-router/
 frontend/build/
+frontend/.env*.local
 **/*.tsbuildinfo
 
 # Python

frontend/package.json

@@ -13,6 +13,7 @@
     "@react-router/node": "^7.5.3",
     "@react-router/serve": "^7.5.3",
     "@vitejs/plugin-react": "^5.1.1",
+    "amazon-cognito-identity-js": "^6.3.15",
     "isbot": "^5.1.27",
     "react": "^19.1.0",
     "react-dom": "^19.1.0",

frontend/src/auth/AuthContext.tsx

@@ -0,0 +1,35 @@
+import { createContext, useContext, useState, ReactNode } from "react";
+
+interface AuthState {
+  username: string | null;
+  idToken: string | null;
+  setAuth: (username: string, idToken: string) => void;
+  clearAuth: () => void;
+}
+
+const AuthContext = createContext<AuthState | null>(null);
+
+export function AuthProvider({ children }: { children: ReactNode }) {
+  const [username, setUsername] = useState<string | null>(null);
+  const [idToken, setIdToken] = useState<string | null>(null);
+
+  const setAuth = (newUsername: string, newIdToken: string) => {
+    setUsername(newUsername);
+    setIdToken(newIdToken);
+  };
+
+  const clearAuth = () => {
+    setUsername(null);
+    setIdToken(null);
+  };
+
+  return <AuthContext.Provider value={{ username, idToken, setAuth, clearAuth }}>{children}</AuthContext.Provider>;
+}
+
+export function useAuth(): AuthState {
+  const ctx = useContext(AuthContext);
+  if (!ctx) {
+    throw new Error("useAuth must be used within an AuthProvider");
+  }
+  return ctx;
+}