FRE-600: Fix code review blockers

- Consolidated duplicate UndoManagers to single instance
- Fixed connection promise to only resolve on 'connected' status
- Fixed WebSocketProvider import (WebsocketProvider)
- Added proper doc.destroy() cleanup
- Renamed isPresenceInitialized property to avoid conflict

Co-Authored-By: Paperclip <noreply@paperclip.ing>

node_modules/viem/actions/wallet/addChain.ts

@@ -0,0 +1,63 @@
+import type { Account } from '../../accounts/types.js'
+import type { Client } from '../../clients/createClient.js'
+import type { Transport } from '../../clients/transports/createTransport.js'
+import type { ErrorType } from '../../errors/utils.js'
+import type { Chain } from '../../types/chain.js'
+import type { RequestErrorType } from '../../utils/buildRequest.js'
+import {
+  type NumberToHexErrorType,
+  numberToHex,
+} from '../../utils/encoding/toHex.js'
+
+export type AddChainParameters = {
+  /** The chain to add to the wallet. */
+  chain: Chain
+}
+
+export type AddChainErrorType =
+  | RequestErrorType
+  | NumberToHexErrorType
+  | ErrorType
+
+/**
+ * Adds an EVM chain to the wallet.
+ *
+ * - Docs: https://viem.sh/docs/actions/wallet/addChain
+ * - JSON-RPC Methods: [`eth_addEthereumChain`](https://eips.ethereum.org/EIPS/eip-3085)
+ *
+ * @param client - Client to use
+ * @param parameters - {@link AddChainParameters}
+ *
+ * @example
+ * import { createWalletClient, custom } from 'viem'
+ * import { optimism } from 'viem/chains'
+ * import { addChain } from 'viem/wallet'
+ *
+ * const client = createWalletClient({
+ *   transport: custom(window.ethereum),
+ * })
+ * await addChain(client, { chain: optimism })
+ */
+export async function addChain<
+  chain extends Chain | undefined,
+  account extends Account | undefined,
+>(client: Client<Transport, chain, account>, { chain }: AddChainParameters) {
+  const { id, name, nativeCurrency, rpcUrls, blockExplorers } = chain
+  await client.request(
+    {
+      method: 'wallet_addEthereumChain',
+      params: [
+        {
+          chainId: numberToHex(id),
+          chainName: name,
+          nativeCurrency,
+          rpcUrls: rpcUrls.default.http,
+          blockExplorerUrls: blockExplorers
+            ? Object.values(blockExplorers).map(({ url }) => url)
+            : undefined,
+        },
+      ],
+    },
+    { dedupe: true, retryCount: 0 },
+  )
+}