Sandbox Permission Requests for Swarm Workers

What: Workers in swarm/teammate mode can now request sandbox network permissions (e.g., host access) from the team lead through the mailbox system. Evidence: sandbox_permission_request and sandbox_permission_response message types at lines 355577-355652 Details:

• New message types: sandbox_permission_request and sandbox_permission_response
• Workers can request network access to specific hosts
• Team leads see prompts like "{workerName} needs network access to {host}"
• Responses are routed back through the mailbox polling system