feat: basic chat implementation completed (#13023)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **New Features**
* Introduced a new chat list view with improved grouping of messages by
date and support for rich markdown rendering, including math
expressions.
* Added support for displaying user message attachments and hints within
the chat interface.

* **Improvements**
* Enhanced chat cell designs for user, assistant, and system messages,
providing clearer layouts and better text rendering.
* Streamlined chat message streaming with incremental markdown updates
and improved scrolling behavior.
* Updated chat view models to include timestamps and refined message
typing.

* **Bug Fixes**
* Improved handling of streaming responses and error reporting with more
accurate timestamps.

* **Refactor**
* Replaced the legacy table-based chat UI with a modern list-based
implementation.
* Simplified and unified chat cell view models and cell rendering logic.

* **Chores**
* Updated and added several third-party dependencies to support new UI
components and markdown features.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/apps/ios/App/Packages/Intelligents/Package.swift

@@ -19,7 +19,9 @@ let package = Package(
     .package(url: "https://github.com/devxoul/Then", from: "3.0.0"),
     .package(url: "https://github.com/SnapKit/SnapKit.git", from: "5.7.1"),
     .package(url: "https://github.com/SwifterSwift/SwifterSwift.git", from: "6.0.0"),
-    .package(url: "https://github.com/loopwork-ai/eventsource.git", from: "1.1.1"),
+    .package(url: "https://github.com/Recouse/EventSource", from: "0.1.4"),
+    .package(url: "https://github.com/Lakr233/ListViewKit", from: "1.1.6"),
+    .package(url: "https://github.com/Lakr233/MarkdownView", from: "2.3.8"),
   ],
   targets: [
     .target(name: "Intelligents", dependencies: [
@@ -29,7 +31,10 @@ let package = Package(
       "SwifterSwift",
       .product(name: "Apollo", package: "apollo-ios"),
       .product(name: "OrderedCollections", package: "swift-collections"),
-      .product(name: "EventSource", package: "eventsource"),
+
+      "ListViewKit",
+      "MarkdownView",
+      "EventSource",
     ], resources: [
       .process("Interface/View/InputBox/InputBox.xcassets"),
       .process("Interface/Controller/AttachmentManagementController/AttachmentIcon.xcassets"),