feat(chat): handle short cut to execute shell command

[yueny2020]

Problem

• handle short cut to execute shell command

Solution

live demo: https://github.com/user-attachments/assets/fb6aaffe-1b60-4eeb-a797-8c25b5b7dbc8

---

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[github-actions]

• This pull request modifies code in src/* but no tests were added/updated.
  • Confirm whether tests should be added or ensure the PR description explains why tests are not required.
• This pull request implements a feat or fix, so it must include a changelog entry (unless the fix is for an unreleased feature). Review the changelog guidelines.
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[jpinkney-aws]

is there an equivalent language servers repo change that implements this?