[FEATURE] Allow cross-chat semantic retrieval

[alexdotpink]

Problem Statement

I would like to implement memory that persist across different chats in my application.

Proposed Solution

I would like an option in memory to allow semantic retrieval to work regardless of the chat the memory comes from.

Component

Memory

Alternatives Considered

No response

Example Use Case

I would like to implement memory that persist across different chats in my application.

Additional Context

No response

Verification

• I have searched the existing issues to make sure this is not a duplicate
• I have provided sufficient context for the team to understand the request