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

web/src/context/User/index.js

@@ -0,0 +1,19 @@
+// contexts/User/index.jsx
+
+import React from 'react';
+import { reducer, initialState } from './reducer';
+
+export const UserContext = React.createContext({
+  state: initialState,
+  dispatch: () => null,
+});
+
+export const UserProvider = ({ children }) => {
+  const [state, dispatch] = React.useReducer(reducer, initialState);
+
+  return (
+    <UserContext.Provider value={[state, dispatch]}>
+      {children}
+    </UserContext.Provider>
+  );
+};

web/src/context/User/reducer.js

@@ -0,0 +1,21 @@
+export const reducer = (state, action) => {
+  switch (action.type) {
+    case 'login':
+      return {
+        ...state,
+        user: action.payload,
+      };
+    case 'logout':
+      return {
+        ...state,
+        user: undefined,
+      };
+
+    default:
+      return state;
+  }
+};
+
+export const initialState = {
+  user: undefined,
+};