AI not response if the request start too early

[towry]

Description

There is some chances that if run :WriteGitCommitMessage immediately after attach, then the AI may not be response in time, have to run :WriteGitCommitMessage again.

This maybe due to the issue of sg.nvim, need more investigation.

Steps to reproduce

1. Open git commit buffer.
2. Run :WriteGitCommitMessage immediately.
3. AI is thinking forever.

Expected behavior

The AI should be respond in time.