Installs .convoys/README.md, log-convoy-event.sh, convoy-planning Cursor rule,
and gitignored metrics JSONL. Documents Echodo dogfood kickoff and adds a
shipped convoy record for Epic 1 model provider registry.
Co-authored-by: Cursor <cursoragent@cursor.com>
Repo-wide agent guide at the root plus path-scoped Cursor rules for
the web app, database/migrations, and the plans/ markdown backlog.
Co-authored-by: Cursor <cursoragent@cursor.com>