feat: architecture refactor — core layer, spreadsheet engine, envelope bidding, tests

- Add src/core/ (config, errors, events, http, observability, storage, query)
- Add src/Spreadsheet/ engine with native POI backend and Excel bridge
- Add Envelope C spreadsheet flow and tender bidding envelope modules
- Consolidate components into src/components/, remove legacy Component/ and Hooks/
- Add registration state/validation, auth session guard, profile edit modules
- Add unit tests across axios, redux, bidding, registration, encryption, core
- Add CI workflow, docs (architecture, audit, DSC API spec), keystore example
- Remove tracked keystore binary; ignore scripts.zip

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/Screens/Auction/PurchaseAuctionList.tsx

@@ -15,17 +15,15 @@ import {
   Receipt,
   CheckCircle2,
   Gavel,
-  Building2,
-  BadgeIndianRupee,
 } from 'lucide-react-native';
-import { InsideHeader } from '../../Component/Index';
+import { InsideHeader } from '../../components';
 import { useDispatch, useSelector } from 'react-redux';
 import { useOfflineAuctionPurchase, usePurchaseAuctionList } from '../../Services/ApiCall/Hooks';
 import { showSuccessAlert } from '../../Constant/ShowDailog';
 import { clearPurchaseAuction } from '../../Redux/Slices/selectPurchaseAuction';
 import { CommonActions, useFocusEffect, useNavigation } from '@react-navigation/native';
 import NavigationString from '../../Constant/NavigationString';
-import Skeleton from '../../Component/Skelton/Skelton';
+import Skeleton from '../../components/Skeleton';
 import { useTheme } from '../../Hooks/useTheme';
 import AppText from '../../components/AppText';
 
@@ -115,6 +113,8 @@ const PurchaseAuctionList = () => {
   useFocusEffect(
     React.useCallback(() => {
       getPurchaseList();
+    // Intentionally runs only on SelectedPurchaseList changes; other deps are stable or recreated each render.
+    // eslint-disable-next-line react-hooks/exhaustive-deps
     }, [SelectedPurchaseList]),
   );