Safely backfill historical data for a pipeline stage — scope the date range, run a dry-run, execute in chunks to avoid overwhelming the database, and verify row counts after each chunk. Use when historical data is missing, when a pipeline stage is added retroactively, or when asked to "backfill the {stage} table from {start_date}".
$npx -y skills add zakelfassi/skills-driven-development --skill backfill-runbookInstalls into the current project.
Run `npx skills use "https://github.com/zakelfassi/skills-driven-development" --skill "zakelfassi/skills-driven-development/backfill-runbook"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/zakelfassi/skills-driven-development" that are relevant to the current task. Run `npx skills add "https://github.com/zakelfassi/skills-driven-development"` and select the relevant skills, then follow their instructions.