Decide the Explorer threshold: 3, not 2

WEBCERTI-19 webcertify Backlog high

Repair the source attendance data before trusting the counts

WEBCERTI-20 webcertify Backlog

Epic: webcertify production launch

WEBCERTI-9 webcertify Backlog

└─ End-to-end prod ingest test: upload a real Zoom .xlsx on webcertify.pensanta.com, confirm preview, commit, KPIs

WEBCERTI-7 webcertify Backlog

└─ Bind sign-in identity to the Google sub, not the claim email

WEBCERTI-14 webcertify Backlog low

└─ Migration history: supabase_migrations.schema_migrations absent - CLI db push would re-apply all 5 migrations

WEBCERTI-4 webcertify Backlog low

└─ Vercel MCP: integration grant lacks webcertify-pensanta-com

WEBCERTI-11 webcertify Backlog someday

GitHub to Vercel did not trigger a deployment for commit b8dd248

WEBCERTI-17 webcertify Backlog low