feat: initial Pezkuwi Apps rebrand from polkadot-apps

Rebranded terminology:
- Polkadot → Pezkuwi
- Kusama → Dicle
- Westend → Zagros
- Rococo → PezkuwiChain
- Substrate → Bizinikiwi
- parachain → teyrchain

Custom logos with Kurdistan brand colors (#e6007a → #86e62a):
- bizinikiwi-hexagon.svg
- sora-bizinikiwi.svg
- hezscanner.svg
- heztreasury.svg
- pezkuwiscan.svg
- pezkuwistats.svg
- pezkuwiassembly.svg
- pezkuwiholic.svg

packages/page-staking2/src/Pools/useAmountError.ts

@@ -0,0 +1,43 @@
+// Copyright 2017-2025 @pezkuwi/app-staking authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { DeriveBalancesAll } from '@pezkuwi/api-derive/types';
+import type { BN } from '@pezkuwi/util';
+
+import { useMemo } from 'react';
+
+import { createNamedHook, useApi, useCall } from '@pezkuwi/react-hooks';
+import { BN_ZERO, hexToString } from '@pezkuwi/util';
+
+// Consider only OpenGov-related locks
+const openGovLockIds = ['referenda', 'convictionVoting', 'pyconvot'];
+
+function useAmountErrorImpl (accountId?: string | null, amount?: BN | null, minAmount?: BN | null): boolean {
+  const { api } = useApi();
+  const balances = useCall<DeriveBalancesAll>(!!accountId && api.derive.balances.all, [accountId]);
+
+  return useMemo(
+    () => {
+      if (!amount || amount.isZero() || !minAmount || minAmount.gt(amount) || !balances) {
+        return true;
+      }
+
+      // Filter out OpenGov-related locks (those that don't prevent staking)
+      const openGovLocks = balances.lockedBreakdown.filter((lock) => {
+        return openGovLockIds.includes(hexToString(lock.id.toHex()));
+      });
+
+      // Total locked amount that affects staking
+      const openGovLockedBalance = openGovLocks.reduce((acc, lock) => acc.add(lock.amount), BN_ZERO);
+
+      const usableBalance = (balances.transferable || balances.availableBalance)
+        .add(openGovLockedBalance)
+        .sub(api.consts.balances.existentialDeposit);
+
+      return amount.gt(usableBalance);
+    },
+    [api, amount, balances, minAmount]
+  );
+}
+
+export default createNamedHook('useAmountError', useAmountErrorImpl);