Initial commit: Pezkuwi SDK UI

Comprehensive web interface for interacting with Pezkuwi blockchain.

Features:
- Blockchain explorer
- Wallet management
- Staking interface
- Governance participation
- Developer tools

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/react-hooks/src/useAssetIds.ts

@@ -0,0 +1,43 @@
+// Copyright 2017-2026 @pezkuwi/react-hooks authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { StorageKey, u32 } from '@pezkuwi/types';
+import type { EventRecord } from '@pezkuwi/types/interfaces';
+import type { Changes } from './useEventChanges.js';
+
+import { createNamedHook, useApi, useEventChanges, useMapKeys } from './index.js';
+
+const EMPTY_PARAMS: unknown[] = [];
+
+const OPT_KEY = {
+  transform: (keys: StorageKey<[u32]>[]): u32[] =>
+    keys.map(({ args: [id] }) => id).filter((id) => id !== undefined)
+};
+
+function filter (records: EventRecord[]): Changes<u32> {
+  const added: u32[] = [];
+  const removed: u32[] = [];
+
+  records.forEach(({ event: { data: [id], method } }): void => {
+    if (method === 'Created' || method === 'ForceCreated') {
+      added.push(id as u32);
+    } else {
+      removed.push(id as u32);
+    }
+  });
+
+  return { added, removed };
+}
+
+function useAssetIdsImpl (): u32[] | undefined {
+  const { api } = useApi();
+  const startValue = useMapKeys(api.query.assets?.asset, EMPTY_PARAMS, OPT_KEY) || [];
+
+  return useEventChanges([
+    api.events.assets?.Created,
+    api.events.assets?.Destroyed,
+    api.events.assets?.ForceCreated
+  ], filter, startValue);
+}
+
+export const useAssetIds = createNamedHook('useAssetIds', useAssetIdsImpl);