clean up & save onboarding process as state

src/app/auth/onboarding/index.tsx

@@ -1,6 +1,19 @@
+import { useEffect } from 'react';
 import { Outlet } from 'react-router-dom';
 
+import { useOnboarding } from '@stores/onboarding';
+import { useStronghold } from '@stores/stronghold';
+
 export function OnboardingScreen() {
+  const [step, tmpPrivkey] = useOnboarding((state) => [state.step, state.tempPrivkey]);
+  const setPrivkey = useStronghold((state) => state.setPrivkey);
+
+  useEffect(() => {
+    if (step) {
+      setPrivkey(tmpPrivkey);
+    }
+  }, [tmpPrivkey]);
+
   return (
     <div className="flex h-full w-full items-center justify-center">
       <Outlet />

src/app/auth/onboarding/step-1.tsx

@@ -1,5 +1,5 @@
 import { useQuery, useQueryClient } from '@tanstack/react-query';
-import { useState } from 'react';
+import { useEffect, useState } from 'react';
 import { Link, useNavigate } from 'react-router-dom';
 
 import { User } from '@app/auth/components/user';
@@ -8,17 +8,18 @@ import { updateAccount } from '@libs/storage';
 
 import { ArrowRightCircleIcon, CheckCircleIcon, LoaderIcon } from '@shared/icons';
 
+import { useOnboarding } from '@stores/onboarding';
+
 import { useAccount } from '@utils/hooks/useAccount';
 import { useNostr } from '@utils/hooks/useNostr';
-import { usePublish } from '@utils/hooks/usePublish';
 import { arrayToNIP02 } from '@utils/transform';
 
 export function OnboardStep1Screen() {
   const queryClient = useQueryClient();
   const navigate = useNavigate();
+  const setStep = useOnboarding((state) => state.setStep);
 
-  const { publish } = usePublish();
-  const { fetchNotes } = useNostr();
+  const { publish, fetchNotes } = useNostr();
   const { account } = useAccount();
   const { status, data } = useQuery(['trending-profiles'], async () => {
     const res = await fetch('https://api.nostr.band/v0/trending/profiles');
@@ -62,6 +63,11 @@ export function OnboardStep1Screen() {
     }
   };
 
+  useEffect(() => {
+    // save current step, if user close app and reopen it
+    setStep('/auth/onboarding');
+  }, []);
+
   return (
     <div className="mx-auto w-full max-w-md">
       <div className="mb-8 text-center">

src/app/auth/onboarding/step-2.tsx

@@ -1,4 +1,4 @@
-import { useState } from 'react';
+import { useEffect, useState } from 'react';
 import { Link, useNavigate } from 'react-router-dom';
 
 import { createBlock } from '@libs/storage';
@@ -6,6 +6,7 @@ import { createBlock } from '@libs/storage';
 import { ArrowRightCircleIcon, CheckCircleIcon, LoaderIcon } from '@shared/icons';
 
 import { BLOCK_KINDS } from '@stores/constants';
+import { useOnboarding } from '@stores/onboarding';
 
 const data = [
   { hashtag: '#bitcoin' },
@@ -27,6 +28,7 @@ const data = [
 
 export function OnboardStep2Screen() {
   const navigate = useNavigate();
+  const setStep = useOnboarding((state) => state.setStep);
 
   const [loading, setLoading] = useState(false);
   const [tags, setTags] = useState(new Set<string>());
@@ -57,6 +59,11 @@ export function OnboardStep2Screen() {
     }
   };
 
+  useEffect(() => {
+    // save current step, if user close app and reopen it
+    setStep('/auth/onboarding/step-2');
+  }, []);
+
   return (
     <div className="mx-auto w-full max-w-md">
       <div className="mb-8 text-center">

src/app/auth/onboarding/step-3.tsx

@@ -10,17 +10,19 @@ import { createRelay } from '@libs/storage';
 import { ArrowRightCircleIcon, CheckCircleIcon, LoaderIcon } from '@shared/icons';
 
 import { FULL_RELAYS } from '@stores/constants';
+import { useOnboarding } from '@stores/onboarding';
 
 import { useAccount } from '@utils/hooks/useAccount';
-import { usePublish } from '@utils/hooks/usePublish';
+import { useNostr } from '@utils/hooks/useNostr';
 
 export function OnboardStep3Screen() {
   const navigate = useNavigate();
 
+  const [setStep, clearStep] = useOnboarding((state) => [state.setStep, state.clearStep]);
   const [loading, setLoading] = useState(false);
   const [relays, setRelays] = useState(new Set<string>());
 
-  const { publish } = usePublish();
+  const { publish } = useNostr();
   const { account } = useAccount();
   const { fetcher, relayUrls } = useNDK();
   const { status, data } = useQuery(
@@ -48,6 +50,9 @@ export function OnboardStep3Screen() {
     }
   );
 
+  // save current step, if user close app and reopen it
+  setStep('/auth/onboarding/step-3');
+
   const toggleRelay = (relay: string) => {
     if (relays.has(relay)) {
       setRelays((prev) => {
@@ -76,6 +81,7 @@ export function OnboardStep3Screen() {
       }
 
       setTimeout(() => {
+        clearStep();
         navigate('/', { replace: true });
       }, 1000);
     } catch (e) {