Testing and Maintenance

pnpm run format:check
pnpm run docs:check
pnpm run typecheck
pnpm run lint
pnpm test
pnpm run build

pnpm run verify runs that complete sequence. Tests should cover parsing, authorization, ownership, duplicate updates, callbacks, repository writes, reports, corrections, retention, and Telegram boundary behavior.

Operational maintenance

setupMaintenanceTrigger creates an idempotent daily trigger. Cleanup is bounded per run and never automatically deletes transactions, users, or products.

Use Apps Script executions and Cloud Logging for runtime diagnosis. Do not add a general-purpose spreadsheet log because it increases latency, storage, and failure coupling.