[FEAT]: Adding real-time fetching of threads, mentions, etc. in sidebars.

[Spiral-Memory]

As an EmbeddedChat developer,

I need to: Listen to real-time APIs to update all threads, mentions, files, pinned messages, and starred messages (whichever is possible).

So That: They are updated directly in the sidebar menu as soon as a new item is generated.

Acceptance Criteria:

• [ ] Ensure the list of items in the sidebar is updated in real-time.

[Spiral-Memory]

Working on this.