What would you like to be added?

I would like it if the gemini CLI would allow you to specific a UUID, just like claude does, at the command line. For example, claude let's you do:

claude --session-id <some-uuid> -p "please take a look at..."

which can then be fed back in via the -r <uuid> flag in claude.

Why is this needed?

This flag is needed for better automation of Gemini when abstracted. Right now, if a user has another bot or system that shells out to Gemini for an edit, and a follow up needs to happen, we can't pre-seed a path for a codebase location with a UUID, because the UUID is not known until Gemini runs. With Claude, we can do:

1. Generate a UUIDv4

2. Checkout our code into /path/to/sandbox/<uuid>

3. Open claude with the session id set to <uuid>

4. Revisit the work/checkout with the same UUID.

With Gemini, we would need to

1. Generate a UUIDv4

2. Checkout our code into /path/to/sandbox/<uuid>

3. Open Gemini and run the prompt

4. Capture the UUID returned by Gemini via -o json

5. Store both the folder location UUID and the Gemini UUID as a pair so that we can map a folder -> session

By letting us provide our own session id, we can remove a step of complexity that's not needed.

Additional context

Please and thank you :)