The orchestrator uses database() from ~/database/context, which requires
AsyncLocalStorage to be populated. Wrap the CLI invocation with
DatabaseContext.run(db, ...) using server/db's cached connection pool.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Wires backfill-canonical-layer.ts to a CLI entry point exposed as
`npm run backfill:canonical`. Defaults to --dry-run; requires --apply
to actually write. Supports --sport=<uuid> to limit to a single sport.
Exits 2 if the backfill reports errors (e.g., surface-Elo conflicts).