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/@trpc/client/README.md

@@ -0,0 +1,73 @@
+<p align="center">
+  <a href="https://trpc.io/"><img src="https://assets.trpc.io/icons/svgs/blue-bg-rounded.svg" alt="tRPC" height="75"/></a>
+</p>
+
+<h3 align="center">tRPC</h3>
+
+<p align="center">
+  <strong>End-to-end typesafe APIs made easy</strong>
+</p>
+
+<p align="center">
+  <img src="https://assets.trpc.io/www/v10/v10-dark-landscape.gif" alt="Demo" />
+</p>
+
+# `@trpc/client`
+
+> Communicate with a tRPC server on the client side.
+
+## Documentation
+
+Full documentation for `@trpc/client` can be found [here](https://trpc.io/docs/vanilla)
+
+## Installation
+
+```bash
+# npm
+npm install @trpc/client
+
+# Yarn
+yarn add @trpc/client
+
+# pnpm
+pnpm add @trpc/client
+
+# Bun
+bun add @trpc/client
+```
+
+## AI Agents
+
+If you use an AI coding agent, install tRPC skills for better code generation:
+
+```bash
+npx @tanstack/intent@latest install
+```
+
+## Basic Example
+
+```ts
+import { createTRPCClient, httpBatchLink } from '@trpc/client';
+// Importing the router type from the server file
+import type { AppRouter } from './server';
+
+// Initializing the tRPC client
+const trpc = createTRPCClient<AppRouter>({
+  links: [
+    httpBatchLink({
+      url: 'http://localhost:3000/trpc',
+    }),
+  ],
+});
+
+async function main() {
+  // Querying the greeting
+  const helloResponse = await trpc.greeting.query({
+    name: 'world',
+  });
+
+  console.log('helloResponse', helloResponse); // Hello world
+}
+
+main();
+```