docs/MULTI-AGENT-HOST-PLAN.md and docs/README.md had table-column formatting
drift that fails the markdown CI gate (prettier --check '**/*.md') on main.
Formatting only — pure table-padding re-alignment, no content change. Unblocks
the markdown job so the CI pipeline goes green again.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>