Title: Feature Request: Ability to Custom Reorder Pinned Chats in Sidebar

Description:
Currently, pinned chats in ChatGPT sort themselves based on the most recent activity or the order in which they were pinned. For users who rely on pinned chats to manage ongoing projects, recurring workflows, or daily prompts, this automatic ordering can be disruptive.

I would like to request the ability to custom-reorder pinned chats in the sidebar.

Suggested Functionality:

• Drag-and-Drop: Allow users to click, hold, and drag pinned chats up or down to set a permanent, manual order.
• Static Positioning: Once a user sets the order, it should remain fixed regardless of which pinned chat was updated or used last.
• Visual Dividers (Optional): The ability to group pinned chats or separate them would add even more value.

Why this is helpful:
This improvement will greatly enhance productivity for power users. It allows us to organize our sidebar by priority, project phase, or frequency of use, creating a much cleaner and more predictable workspace.