Add ability to rerun workflows with SSH, and a tool to get job SSH details

[pandaiolo]

Closes #132

Problem

Debugging failed CircleCI jobs on the instance requires manually navigating the UI to rerun with SSH and find connection details. This is time-consuming and interrupts the development workflow.

Solution

1. Enhanced rerun_workflow tool

• Added enableSsh parameter to automatically rerun the last job with SSH enabled
• Validates mutually exclusive parameters (enableSsh and fromFailed)
• Returns workflow URL and next steps for SSH access

2. New get_ssh_details tool

• Retrieves SSH connection commands for SSH-enabled jobs
• Auto-detects last SSH-enabled job or accepts specific job number
• Provides clear error messages for common issues (job not ready, SSH not enabled)

Usage

// Enable SSH on workflow rerun
rerun_workflow({ workflowId: "abc-123", enableSsh: true })

// Get SSH connection details after 30-60 seconds
get_ssh_details({ workflowURL: "https://app.circleci.com/pipelines/workflows/abc-123" })
// Returns: ssh -p 54782 52.90.XXX.XXX