feat: add auth and data providers with mock data hooks

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

src/providers/auth-provider.tsx

@@ -0,0 +1,68 @@
+import type { ReactNode } from 'react';
+import { createContext, useContext, useState } from 'react';
+
+export type Role = 'executive' | 'admin';
+
+type User = {
+    name: string;
+    initials: string;
+    role: Role;
+    email: string;
+};
+
+type AuthContextType = {
+    user: User;
+    setRole: (role: Role) => void;
+    isAdmin: boolean;
+    isAuthenticated: boolean;
+    login: () => void;
+    logout: () => void;
+};
+
+const USERS: Record<Role, User> = {
+    admin: {
+        name: 'Admin User',
+        initials: 'AU',
+        role: 'admin',
+        email: 'admin@ramaiah.com',
+    },
+    executive: {
+        name: 'Sanjay M.',
+        initials: 'SM',
+        role: 'executive',
+        email: 'sanjay@ramaiah.com',
+    },
+};
+
+const AuthContext = createContext<AuthContextType | undefined>(undefined);
+
+export const useAuth = (): AuthContextType => {
+    const context = useContext(AuthContext);
+
+    if (context === undefined) {
+        throw new Error('useAuth must be used within an AuthProvider');
+    }
+
+    return context;
+};
+
+interface AuthProviderProps {
+    children: ReactNode;
+}
+
+export const AuthProvider = ({ children }: AuthProviderProps) => {
+    const [role, setRole] = useState<Role>('executive');
+    const [isAuthenticated, setIsAuthenticated] = useState(false);
+
+    const user = USERS[role];
+    const isAdmin = role === 'admin';
+
+    const login = () => setIsAuthenticated(true);
+    const logout = () => setIsAuthenticated(false);
+
+    return (
+        <AuthContext.Provider value={{ user, setRole, isAdmin, isAuthenticated, login, logout }}>
+            {children}
+        </AuthContext.Provider>
+    );
+};