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/react-components/src/util/calculateVesting.ts

@@ -0,0 +1,70 @@
+// Copyright 2017-2025 @pezkuwi/react-components authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { BlockNumber } from '@pezkuwi/types/interfaces';
+import type { BN } from '@pezkuwi/util';
+
+import { BN_ZERO, bnMin } from '@pezkuwi/util';
+
+interface VestingSchedule {
+  startingBlock: BN;
+  endBlock: BN;
+  perBlock: BN;
+  locked: BN;
+  vested: BN;
+}
+
+interface RecalculatedVesting {
+  vestedBalance: BN;
+  vestedClaimable: BN;
+  vestingLocked: BN;
+}
+
+/**
+ * Manually recalculate vesting amounts using the correct block number.
+ * This is needed because after Asset Hub migration, vesting schedules use
+ * relay chain block numbers, but derive.balances.all calculates using
+ * the current chain's block number.
+ */
+export function recalculateVesting (
+  schedules: VestingSchedule[],
+  currentBlock: BlockNumber
+): RecalculatedVesting {
+  let totalVested = BN_ZERO;
+  let totalLocked = BN_ZERO;
+
+  for (const schedule of schedules) {
+    const { endBlock, locked, perBlock, startingBlock } = schedule;
+
+    // If we haven't reached the start block yet, nothing vested
+    if (currentBlock.lt(startingBlock)) {
+      totalLocked = totalLocked.add(locked);
+      continue;
+    }
+
+    // If we've passed the end block, everything is vested
+    if (currentBlock.gte(endBlock)) {
+      totalVested = totalVested.add(locked);
+      continue;
+    }
+
+    // We're in the middle of vesting
+    // Calculate how many blocks have passed since start
+    const blocksPassed = currentBlock.sub(startingBlock);
+
+    // Calculate vested amount: min(blocksPassed * perBlock, locked)
+    const vestedAmount = bnMin(blocksPassed.mul(perBlock), locked);
+
+    // Calculate still locked amount
+    const stillLocked = locked.sub(vestedAmount);
+
+    totalVested = totalVested.add(vestedAmount);
+    totalLocked = totalLocked.add(stillLocked);
+  }
+
+  return {
+    vestedBalance: totalVested,
+    vestedClaimable: totalVested, // Will be adjusted in caller with original offset
+    vestingLocked: totalLocked
+  };
+}