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/experimental/erc7895/actions/addSubAccount.ts

@@ -0,0 +1,86 @@
+import type { Address } from 'abitype'
+import type { Client } from '../../../clients/createClient.js'
+import type { Transport } from '../../../clients/transports/createTransport.js'
+import type { Chain } from '../../../types/chain.js'
+import type { Hex } from '../../../types/misc.js'
+import type { OneOf, Prettify } from '../../../types/utils.js'
+import type { RequestErrorType } from '../../../utils/buildRequest.js'
+import { numberToHex } from '../../../utils/index.js'
+
+export type AddSubAccountParameters = Prettify<
+  OneOf<
+    | {
+        keys?:
+          | readonly {
+              publicKey: Hex
+              type: 'address' | 'p256' | 'webcrypto-p256' | 'webauthn-p256'
+            }[]
+          | undefined
+        type: 'create'
+      }
+    | {
+        address: Address
+        chainId?: number | undefined
+        type: 'deployed'
+      }
+    | {
+        address: Address
+        chainId?: number | undefined
+        factory: Address
+        factoryData: Hex
+        type: 'undeployed'
+      }
+  >
+>
+
+export type AddSubAccountReturnType = Prettify<{
+  address: Address
+  factory?: Address | undefined
+  factoryData?: Hex | undefined
+}>
+
+export type AddSubAccountErrorType = RequestErrorType
+
+/**
+ * Requests to add a Sub Account.
+ *
+ * - Docs: https://viem.sh/experimental/erc7895/addSubAccount
+ * - JSON-RPC Methods: [`wallet_addSubAccount`](https://github.com/ethereum/ERCs/blob/abd1c9f4eda2d6ad06ade0e3af314637a27d1ee7/ERCS/erc-7895.md)
+ *
+ * @param client - Client to use
+ * @param parameters - {@link AddSubAccountParameters}
+ * @returns Sub Account. {@link AddSubAccountReturnType}
+ *
+ * @example
+ * import { createWalletClient, custom } from 'viem'
+ * import { mainnet } from 'viem/chains'
+ * import { addSubAccount } from 'viem/experimental/erc7895'
+ *
+ * const client = createWalletClient({
+ *   chain: mainnet,
+ *   transport: custom(window.ethereum),
+ * })
+ * const response = await addSubAccount(client, {
+ *   keys: [{ publicKey: '0x0000000000000000000000000000000000000000', type: 'address' }],
+ *   type: 'create',
+ * })
+ */
+export async function addSubAccount<chain extends Chain | undefined>(
+  client: Client<Transport, chain>,
+  parameters: AddSubAccountParameters,
+): Promise<AddSubAccountReturnType> {
+  return client.request({
+    method: 'wallet_addSubAccount',
+    params: [
+      {
+        account: {
+          ...parameters,
+          ...(parameters.chainId
+            ? { chainId: numberToHex(parameters.chainId) }
+            : {}),
+        } as never,
+        version: '1',
+      },
+    ],
+  })
+}