Add agent mode

[sirily11]

• Add stock history to item. Calculate the item's quantity base on the stock history
• Add chatting support so user can chat, send image to agent to let agent manage the item. Add qrcode decoding tool so agent can also add qrcode to item.

[autopilot-project-manager]

Sub-Issues Created

I've created the following sub-issues for this issue:

I have analyzed issue #55 ("Add agent mode") and determined that it contains three distinct functional requirements that are best tracked as separate sub-issues.

The following sub-issues have been created:

1. Implement stock history and quantity calculation #56: Implement stock history and quantity calculation - To handle the logic of tracking item history and derived quantities.
2. Add QR code decoding tool for agents #57: Add QR code decoding tool for agents - To provide agents with the necessary tools for item identification.
3. Add chatting support for user-agent interaction #58: Add chatting support for user-agent interaction - To implement the communication channel and image sharing functionality.

Each sub-issue has been labeled with enhancement and set to the feature type.

These sub-issues are now linked to this parent issue.