init commit,

03_source/mobile_notworking.del/src/contexts/SessionProvider.tsx

@@ -0,0 +1,26 @@
+import { Session } from '@supabase/supabase-js';
+import React, { createContext, useContext, useState } from 'react';
+import { supabase } from '../supabaseClient';
+
+export const SessionContext = createContext<{
+  session: Session | null;
+} | null>(null);
+
+export const SessionProvider: React.FC<{ children: React.ReactNode }> = ({ children }) => {
+  const [session] = useState(() => supabase.auth.session());
+
+  // const value = useMemo(() => ({ session, setSession }), [session, setSession]);
+  const value = { session };
+
+  return <SessionContext.Provider value={value}>{children}</SessionContext.Provider>;
+};
+
+export const useSession = () => {
+  const context = useContext(SessionContext);
+
+  if (!context) {
+    throw new Error('useSession must be used within a SessionProvider');
+  }
+
+  return context;
+};