[FEATURE] Rename "Bash" tool to something shell-agnostic

Preflight Checklist

• [x] I have searched existing requests and this feature hasn't been requested yet
• [x] This is a single feature request (not multiple features)

Problem Statement

The tool executes commands using the system's default shell (e.g., zsh on macOS), but is labeled "Bash". This is confusing.

Proposed Solution

Consider renaming to "Shell" or "Command", or updating the description to clarify it uses the default system shell.

Alternative Solutions

_No response_

Priority

Low - Nice to have

Feature Category

CLI commands and flags

Use Case Example

Any query that utilizes running a shell command labels itself "Bash"

Additional Context

_No response_