Replaces raw bufio.Scanner password reading (which echoed to terminal)
with the new mcdsl terminal package that suppresses echo via x/term.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Exposes two packages:
- default (mcp CLI) for operator workstations
- mcp-agent for managed nodes
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>