feat(users): add user administration and password management

validation-suite/frontend/atlas/components/auth.tsx

@@ -2,11 +2,14 @@
 
 import { useRouter } from "next/navigation";
 import { createContext, useContext, useEffect, useMemo, useState } from "react";
+import { apiGet, User } from "@/lib/api";
 
 type AuthContextValue = {
   token: string | null;
   setToken: (value: string | null) => void;
   logout: () => void;
+  user: User | null;
+  refreshUser: () => void;
 };
 
 const AuthContext = createContext<AuthContextValue | null>(null);
@@ -14,11 +17,23 @@ const AuthContext = createContext<AuthContextValue | null>(null);
 export function AuthProvider({ children }: { children: React.ReactNode }) {
   const router = useRouter();
   const [token, setTokenState] = useState<string | null>(null);
+  const [user, setUser] = useState<User | null>(null);
 
   useEffect(() => {
-    setTokenState(window.localStorage.getItem("atlas_token"));
+    const stored = window.localStorage.getItem("atlas_token");
+    setTokenState(stored);
+    if (!stored) return;
+    void apiGet<User>("/auth/me", stored).then(setUser).catch(() => setUser(null));
   }, []);
 
+  useEffect(() => {
+    if (!token) {
+      setUser(null);
+      return;
+    }
+    void apiGet<User>("/auth/me", token).then(setUser).catch(() => setUser(null));
+  }, [token]);
+
   const value = useMemo<AuthContextValue>(() => {
     const setToken = (next: string | null) => {
       setTokenState(next);
@@ -34,9 +49,15 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
       logout: () => {
         setToken(null);
         router.push("/login");
+      },
+      user,
+      refreshUser: () => {
+        if (token) {
+          void apiGet<User>("/auth/me", token).then(setUser).catch(() => setUser(null));
+        }
       }
     };
-  }, [router, token]);
+  }, [router, token, user]);
 
   return <AuthContext.Provider value={value}>{children}</AuthContext.Provider>;
 }
@@ -48,4 +69,3 @@ export function useAuth() {
   }
   return value;
 }
-